Material Datasheet (MDS) Index

1. C01
2. C02
3. C11
4. C12
5. C21
6. C22
7. C23
8. C31
9. C33
10. C34
11. D41
12. D42
13. D43
14. D44
15. D45
16. D46
17. D47
18. D51
19. D52
20. D53
21. D54
22. D55
23. D56
24. D57
25. D59
26. D60
27. K01
28. K02
29. N01
30. N02
31. P11
32. P12
33. P21
34. P22
35. S01
36. S02
37. S03
38. T01
39. T02
40. X02
41. X07
Referenced standards (ASTM and ISO) and corresponding MDS
Carbon steel type 235
C01 A 106 Grade B Seamless pipes
ISO 3183 Grade L245 (API 5L-04 Grade B) Welded pipes
A 672 Grade CC60, CC70 Welded pipes
A 234 Grade WPB Wrought fittings
A 105 Forgings
A 516 Grade 60, 70 Plates
C02 A 216 Grade WCB Castings
Carbon steel type 235LT
C11 A 333 Grade 6 Seamless pipes
A 671 Grade CC60, CC70 Welded pipes
A 420 Grade WPL 6 Wrought fittings
A 350 Grade LF2 Forgings
A 516 Grade 60, 70 Plates
C12 A 352 Grade LCC Castings
Carbon steel type 360LT
C21 A 694 Grade F52 Forgings
C22 ISO 3183 Grade 52 (API 5L Grade X52) Seamless pipes
C23 A 860 WPHY 52 Wrought fittings
C31 API 5L X65Q Seamless pipes
C33 A 860 WPHY 65 Fittings
C34 A 694 F65 Fittings
Ferritic/austenitic stainless steel type 22Cr Duplex
D41 A 790 UNS S31803, UNS S32205 Seamless pipes
D42 A 928 UNS S31803, UNS S32205 Welded pipes
D43 A 815 UNS S31803, UNS S32205 Wrought fittings
D44 A 182 Grade F51, F60 Forgings and HIP products
D45 A 240 UNS S31803, UNS S32205 Plates
D46 A 995 Grade 4A (UNS J92205) Castings
D47 A 479 UNS S31803, UNS S32205 Bars
Ferritic/austenitic stainless steel type 25Cr Duplex
D51 A 790 UNS S32550, S32750, S32760 and UNS Seamless pipes
S39274
D52 A 928 UNS S32550, S32750 and S32760 Welded pipes
D53 A 815 UNS S32550, S32750 and S32760 Wrought fittings and HIP
products
D54 A 182 Grade F61 (UNS S32550) Forgings and HIP prod
Grade F53 (UNS S32750)
Grade F57 (UNS S39277)
Grade F55 (UNS S32760
D55 A 240 UNS S32550, S32750 and S32760 Plates
D56 A 995 Grade 6A (UNS J93380), Grade 5A (UNS Castings
J93404)
D57 A 479 UNS S32550, S32750 and S32760 Bars
D59 A 1082 UNS S32750, 32760 Studs, bolts, nuts
D60 A 1082 UNS S32750 and S32760 Studs, bolts, nuts
Copper/nickel 90/10
K01 B 466 UNS C70600 Seamless pipes and tubes
B 467 UNS C70600 Welded pipes
B 151 UNS C70600 Rod and bar
B 171 UNS C70600 Plates and sheets
UNS C70600 Fittings
UNS C70600 Flanges
Aluminium - bronze sand castings
K02 B 148 UNS C09580 Castings
Nickel alloy 625
N01 B 366 UNS N06625 Wrought fittings
B 705 UNS N06625 Pipes
B 564 UNS N06625 Forgings
B 443 UNS N06625 Plates
B 446 UNS N06625 Bars
B 444 UNS N06625 Pipes and tubes
N02 A 494 Grade CW6MC, CX2MW Castings
Polymers
P11 Hydrogenated nitrile (HNBR) O-ring

P12 Fluorocarbon terpolymer (FKM) O-ring

P21 PEEK (Poly-ether-ether-ketone) Back-up rings and seal

inserts
P22 PTFE (Poly-tetra-fluoro-ethylene) Lip seals, back-up rings and
seal inserts
Austenitic stainless steel type 316
S01 A 312 Grade TP316 Seamless and welded pipes
A 358 Grade 316 Welded pipes
A 403 Grade WP316 Wrought fittings
A 182 Grade F316 Forgings
A 240 Grade 316 Plates
 A 479 Grade 316 Bars
S02 A 351 Grade CF3M, CF8M Castings
S03 A 320 Grade B8M CL2 Studs, bolts, screws and nuts
Titanium Grade 2
T01 B 861 Grade 2 Seamless pipes
B 862 Grade 2 Welded pipes
B 363 Grade WPT2/WPT2W Wrought fittings
B 381 Grade F2 Forgings
B 265 Grade 2 Plates
B 348 Grade 2 Bars
T02 B 367 Grade C2 Castings
High strength low alloy steel
X02 A 788 AISI 4140 Forgings
X07 A 320 Grade L7, L7M Studs, bolts, screws Nuts
A 194 Grade 4, 7 and 7M
MATERIAL DATA SHEET MDS C01
TYPE OF MATERIAL: Carbon Steel Type 235

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Wrought fittings ASTM A 234 WPB - S3
Welded pipes ISO 3183 (API 5L) L245 (B) PSL 1 -
Welded pipes ASTM A 672 SAWL t < 19 mm: Cl. 12 -
C60, C70 t > 19 mm: Cl. 22, 32, -
42
Seamless pipes ASTM A 106 - S6
Forgings ASTM A 105 B - S4
Plates ASTM A 516 - - -
60, 70

Page 1 of 1
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. HEAT Forgings to A 105: Normalized.
TREATMENT Welded pipes to ISO 3183: Stress relieved when the nominal thickness t ≤
19,0 mm.
3. CHEMICAL All products: C ≤ 0,20 %; S ≤ 0,025 %; P ≤ 0,030 %.
COMPOSITION CE(IIW) = C + Mn/6 + (Cr + Mo + V)/5 + (Cu + Ni)/15 ≤ 0,43.
4. MECHANICAL All products: Elongation, A > 20 %.
PROPERTIES
5. TEST SAMPLING Samples for production testing shall realistically reflect the properties in the
actual component.
6. NON Pipes to ISO 3183: RT of weld seam or RT at ends and UT/Eddy Current
DESTRUCTIVE of the remaining weld.
TESTING Fittings to A 234: UT is not acceptable as replacement of RT.
All products: NDT operators shall be certified in accordance with ISO
9712 or equivalent.
7. REPAIR Weld repair of base material is not acceptable.
OF
DEFECTS
8. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
The material certificate shall be issued in accordance with EN 10204 Type
3.1, and shall include the following information:
- Heat treatment condition (For QT condition austenitisation and
tempering temperature and quenching medium shall be stated.)
MATERIAL DATA SHEET MDS C02
TYPE OF MATERIAL: Carbon Steel Type 235
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM A 216 WCB -
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and additional
requirements which shall be added or supersede the corresponding
requirements in the referred standard.
2. CHEMICAL C ≤ 0,22 % and CE(IIW) = C + Mn/6 + (Cr + Mo + V)/5 + (Cu + Ni)/15 ≤ 0,43
COMPOSITION
3. EXTENT OF One set of tensile tests is required for each melt and heat treatment load.
TESTING
4. TEST SAMPLING Samples for mechanical testing shall realistically reflect the properties in the
actual components. For castings with weight 250 kg or more the test blocks
shall be integrally cast or gated onto the casting and shall not be removed from
the castings until after the final quality heat treatment.
5. NON- NDT operators shall be certified in accordance with ISO 9712 or equivalent.
DESTRUCTIVE Magnetic particle testing:
TESTING
- All accessible surfaces (including internal surfaces) of all castings shall
be examined with Magnetic Particle (MT). Surface examination of steel
castings shall be in accordance with ASME VIII Div. 1 Appendix 7. The
testing shall be carried out after final machining. Non- machined surfaces
shall be pickled prior to the testing.
Radiographic testing (RT):
- Method of radiography and acceptance criteria shall be in accordance with
ASME VIII Div. 1 Appendix 7.
- Extent of radiographic examination (RT) for valve castings shall be
according to table in section 5.2.1, Non-Destructive Examination of Topsides
Piping and Valve Material specification.
- Valve castings shall be examined in the areas as defined by ASME B16.34
for special class valves and other critical areas as defined by designer. In
addition, castings shall be examined at abrupt changes in sections and at
the junctions of risers, gates or feeders to the castings. When random
examination (10 %) is specified, minimum one casting of each pattern
including feeder and riser system in any purchase order with the foundry
shall be examined.
- When random examination (10 %) is specified, minimum one casting of
each pattern including feeder and riser system in any purchase order with
the foundry shall be examined. If defect outside acceptance criteria is
detected, two more castings shall be tested, and if any of these two fails all
items represented shall be tested.
MATERIAL DATA SHEET MDS C02
TYPE OF MATERIAL: Carbon Steel Type 235

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Castings ASTM A 216 WCB -
Page 2 of 2
5. NON- Other type of castings: Each casting shall be examined unless agreed
-
DESTRUCTIVE otherwise. Testing shall be at abrupt changes in sections and at the
TESTING junctions of risers, gates or feeders to the castings and other critical areas
as defined by designer. Sketches of the areas to be tested shall be
established and agreed.
6. CERTIFICATION The material manufacturer shall have a quality system certified in accordance
with ISO 9001 and the system shall have undergone a specific assessment for
the relevant materials.
The material certificate shall be issued in accordance with EN 10204 Type 3.1,
and shall include the following information:
- Heat treatment condition (For QT condition austenitisation and tempering
temperature and quenching medium shall be stated.)
MATERIAL DATA SHEET MDS C11
TYPE OF MATERIAL: Carbon Steel Type 235LT
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Wrought fittings ASTM A 420 WPL6 - S51, S53, S69
Welded pipes ASTM A 671 CC60, CC70 t ≤ 19 mm: Class 12 S2, S7, S14
t > 19 mm: Class 22, 32,
S2, S7, S14
Seamless pipes ASTM A 333 6 42 -
Forgings ASTM A 350 LF2 - S6, S55
Plates ASTM A 516 60, 70 Class 1 S5
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and additional
requirements which shall be added or supersede the corresponding
requirements in the referred standard.
2. Fittings and forgings: During heat treatment components shall be placed in
MANUFACTURING such a way as to ensure free circulation around each component during the
heat treatment process including possible quenching operation.
3. CHEMICAL All products: C ≤ 0,20 %; S ≤ 0,025 %; P ≤ 0,025 %;
COMPOSITION CE(IIW) = C + Mn/6 + (Cr + Mo + V)/5 + (Cu + Ni)/15 ≤ 0,43.

4. IMPACT Charpy V-notch testing at - 46 ºC is required for the thickness > 6 mm. For
TESTING flanges apply the thickness at the weld neck. The minimum absorbed energy
for full size specimens shall be 27 J average and 20 J single. Reduction
factors for sub-size specimens shall be: 7,5 mm - 5/6 and 5 mm - 2/3.
For flanges test specimens shall be taken in axial direction to the bore of the
flange, see fig. 1, position 1.
5. NON- All products: NDT operators shall be certified in accordance with ISO 9712
DESTRUCTIVE or equivalent.
TESTING Fittings to A 420: Ultrasonic testing is not acceptable as replacement of
radiographic testing.
ASTM A 960 supplementary requirement, S53 and S69,
magnetic particle testing, shall apply to 10 % of all fittings
(same test lot as defined for mechanical testing) for nominal
thickness < 12.7 mm and 100 % of all fittings for nominal
thickness > 12.7 mm. The testing shall be carried out after
calibration.
The acceptance criteria shall be to ASME VIII, Div. 1,
Appendix 6.
Forgings to A 350: ASTM A 961 supplementary requirement S55, magnetic
particle testing, shall apply to 10 % of all forgings (same test
lot as defined for mechanical testing) with NPS 2 and above.
The testing shall be carried out after final machining.
The acceptance criteria shall be to ASME VIII, Div. 1,
Appendix 6.
MATERIAL DATA SHEET MDS C11
TYPE OF MATERIAL: Carbon Steel Type 235LT
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Wrought fittings ASTM A 420 WPL6 - S51, S53, S69
Welded pipes ASTM A 671 CC60, CC70 t ≤ 19 mm: Class 12 S2, S7, S14
t > 19 mm: Class 22, 32, S2, S7, S14
Seamless pipes ASTM A 333 6 42 -
Forgings ASTM A 350 LF2 - S6, S55
Plates ASTM A 516 60, 70 Class 1 S5
Page 2 of 2
6. REPAIR OF Weld repair of base material is not acceptable.
DEFECTS
7. MARKING Heat treatment load number shall be permanently marked on the component
where testing is required per heat treatment load.
8. The material manufacturer shall have a quality system certified in
CERTIFICATION accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
The material certificate shall be issued in accordance with EN 10204 Type 3.1,
and shall include the following information:
- Heat treatment condition (For QT condition, austenitisation and tempering
temperature and quenching medium shall be stated.)
Forgings and fittings: Copy of test sampling sketch.
MATERIAL DATA SHEET MDS C12
TYPE OF MATERIAL: Carbon Steel Type 235LT
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM A 352 LCC - S4
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and additional
requirements which shall be added or supersede the corresponding
requirements in the referred standard.
2. CHEMICAL C ≤ 0,22 %; S ≤ 0,025 %; P ≤ 0,030 %; CE = C + Mn/6 + (Cr + Mo + V)/5 + (Cu
COMPOSITION + Ni)/15 ≤ 0,43
3. HEAT During heat treatment components shall be placed in such a way as to ensure
TREATMENT free circulation around each component during the heat treatment process
including possible quenching operation.
4. IMPACT The minimum absorbed energy for full size specimens shall be 27 J average
TESTING and 20 J single.
5. NON- NDT operators shall be certified in accordance with ISO 9712 or equivalent.
DESTRUCTIVE Magnetic particle testing:
TESTING - All accessible surfaces (including internal surfaces) of all castings shall be
examined with Magnetic Particle (MT). Surface examination of steel
castings shall be in accordance with ASME VIII Div. 1 Appendix 7. The
testing shall be carried out after final machining. Nonmachined surfaces
shall be pickled prior to the testing.
Radiographic testing (RT)
- Method of radiography and acceptance criteria shall be in accordance with
ASME VIII Div. 1 Appendix 7.
- Extent of radiographic examination (RT) for valve castings shall be
according to table in section 5.2.1, Non-Destructive Examination of Topsides
Piping and Valve Material specification.
- Valve castings shall be examined in the areas as defined by ASME B16.34
for special class valves and other critical areas as defined by valve
designer. In addition, castings shall be examined at abrupt changes in
sections and at the junctions of risers, gates or feeders to the castings.
When random examination (10 %) is specified, minimum one casting of
each pattern including feeder and riser system in any purchase order with
the foundry shall be examined. If defect outside acceptance criteria is
detected, two more castings shall be tested, and if any of these two fails all
items represented shall be tested.
- Other type of castings: Each casting shall be examined unless agreed
otherwise. Testing shall be at abrupt changes in sections and at the
junctions of risers, gates or feeders to the castings and other critical areas
as defined by designer. Sketches of the areas to be tested shall be
established and agreed.
6. REPAIR OF All major repairs shall be documented according to ASTM A 703 SR S20.
DEFECTS A cast plate shall be used in the qualification of the repair welding procedure.
The repair welding procedure shall be qualified in accordance with ASTM A
488 or ISO 11970 and this MDS.
7. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
MATERIAL DATA SHEET MDS C12
TYPE OF MATERIAL: Carbon Steel Type 235LT
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM A 352 LCC - S4
Page 2 of 2
8. CERTIFICATION The material manufacturer shall have a quality system certified in accordance
with ISO 9001 and the system shall have undergone a specific assessment for
the relevant materials.
The material certificate shall be issued in accordance with EN 10204 Type 3.1,
and shall include the following information:
Heat treatment condition (For QT condition austenitisation and tempering
temperature and quenching medium shall be stated.)
MATERIAL DATA SHEET MDS C21
TYPE OF MATERIAL: Carbon Steel Type 360LT
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Forgings ASTM A 694 F52 S55

Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. HEAT For products delivered in quenched and tempered condition and with weld
TREATMENT end thickness >19.0 mm the minimum tempering temperature shall be 620
ºC. Components shall be placed in such a way as to ensure free circulation
around each component during the heat treatment process including
quenching.
3. CHEMICAL C ≤ 0,20 %; Mn = 0,90 - 1,60 %; Si = 0,10 - 0,35 %; S ≤ 0,025º%; P ≤
COMPOSITION 0,035 %;
Ti ≤ 0,05 %;
Nb ≤ 0,04 %; Al ≤ 0,06 %; N ≤ 0,015 %; (V + Nb + Ti) ≤ 0,10 %;
CE = C + Mn/6 + (Cr + Mo + V)/5 + (Cu + Ni)/15 ≤ 0,43.
4. IMPACT TESTING Charpy V-notch testing according to ASTM A 370 at - 46 ºC is required for
the thickness > 6 mm. The minimum absorbed energy for full size specimen
shall be 40 J average and 30 J single. Reduction factors for sub-size
specimens shall be: 7,5 mm - 5/6 and 5 mm - 2/3.
For flanges test specimens shall be taken in axial direction to the bore of
the flange, see fig. 1, position 1.
5. TEST Samples for production testing shall realistically reflect the properties in the
SAMPLING actual components.
For products forged by the closed die method, the test specimen shall be
obtained from a sacrificial product.
For products forged by the open die or by the ring rolling method, the test
specimen shall be obtained from a sacrificial forging or from an integral
prolongation. For flanges the thickness of the prolongation shall minimum be
equal to the hub thickness (TH) as shown in fig. 1.

Integrated test blocks shall be used for components manufactured by HIP.

Test location flanges: The basic test location is mid-thickness of hub (TH) in
a distance TB/2 or minimum 50 mm from weld end, see fig. 1, position 1.
If test specimens cannot be extracted from position 1 test specimens shall
be extracted from flange body position 2.
MATERIAL DATA SHEET MDS C21
TYPE OF MATERIAL: Carbon Steel Type 360LT
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Forgings ASTM A 694 F52 S55

Page 2 of 2
5. TEST When prolongations are used test specimens shall be taken in a distance
SAMPLING TB/2 or minimum 50 mm from the second heat treated surface.
Test location other forgings and HIP products: For forgings having maximum
section thickness, T ≤ 50 mm, the test specimen shall be taken at mid
thickness and its mid length shall be at least 50 mm from any second surface
or at equal distance from the second surfaces.
For forgings having maximum section thickness, T > 50 mm, the test
specimens shall be taken at least ¼ T from the nearest surface and mid-
length of test specimens at least T or 100 mm, whichever is less, from any
second surface.
For all forgings, sketches shall be established showing type, and size of test
samples and location for extraction of test specimens. The sketch shall be
given a document identification number.
NOTE: For closed die forged components and flanges exceeding 80 kg it is
recognized that alternative test may be used. Such alternative test sampling
shall be qualified and shall comprise comparative testing of sacrificial forgings
and the proposed alternative test sample.
6. EXTENT OF A test lot shall not exceed 2000 kg for forgings with as forged weight ≤ 50 kg,
TESTING and 5000 kg for forgings with as forged weight > 50 kg.

7. NON- Supplementary requirement A 961 S55, magnetic particle testing, shall apply
DESTRUCTIVE to 10 % of all forgings NPS 2 and above per lot, the testing shall be carried out
TESTING after final machining.
The acceptance criteria shall be to ASME VIII Div. 1, Appendix 6.
NDT operators shall be certified in accordance with ISO 9712 or equivalent.
8. REPAIR OF Weld repair of base material is not acceptable.
DEFECTS
9. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.

10. The material manufacturer shall have a quality system certified in accordance
CERTIFICATION with ISO 9001 and the system shall have undergone a specific assessment for
the relevant materials.
The material certificate shall be issued in accordance with EN 10204 Type
3.1, and shall include the following information:
- Heat treatment condition (For QT condition, austenitisation and tempering
temperature and quenching medium shall be stated.)
- Copy of test sampling sketch
MATERIAL DATA SHEET MDS C22
TYPE OF MATERIAL: Carbon Steel Type 360LT
PRODUCT STANDARD GRADE ACCEPT. SUPPL. REQ.
CLASS
Seamless pipes ISO 3183 (API 5L) L360N (X52N) PSL 2
L360Q (X52Q)
Page 1 of 1
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. STEEL MAKING Fine grain treatment shall be carried out.
3. HEAT TREATMENT For pipes delivered in quenched and tempered condition and with
thickness >19.0 mm the minimum tempering temperature shall be 620
ºC.
4. CHEMICAL C ≤ 0,16 %; Ti ≤ 0,05 %; Nb ≤ 0,04 %; Al ≤ 0,06 %; N ≤ 0,015 %; (V + Nb
COMPOSITION + Ti) ≤ 0,10 %;
5. IMPACT TESTING Charpy V-notch testing according to ASTM A 370 at - 46 ºC is required
for the thickness > 6 mm. The minimum absorbed energy for full size
specimens shall be 40 J average and 30 J single. Reduction factors for
sub-size specimens shall be: 7,5 mm - 5/6 and 5 mm - 2/3.
6. TEST Samples for production testing shall realistically reflect the properties in
SAMPLING the actual component.
7. NON- 100 % ultrasonic surface testing (UT) with notch calibration on N5 notch
DESTRUCTIVE shall be carried out.
TESTING Electro-magnetic testing shall not be used in lieu of UT. Acceptance
criteria for surface examination by ultrasonic method shall be:
- Defects, with depths exceeding 5 % of the nominal wall thickness or
1,5 mm, whichever is the less, are not acceptable.
- Cracks or linear defects are not acceptable regardless of dimensions.
NOTE: Pipes shall be subject to rejection if acceptable surface
imperfection are not scattered, but appear over a large area in excess of
what is considered a workmanlike finish.
8. SURFACE Shall be in accordance with ISO 3183 PSL 2.
FINISH
9. REPAIR OF Weld repair of base material is not acceptable.
DEFECTS
10. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
The material certificate shall be issued in accordance with EN 10204
Type 3.1, and shall include the following information:
- Melting and refining practice,
- Heat treatment conditions (For QT condition austenitisation and
tempering temperature and quenching medium shall be stated.)
MATERIAL DATA SHEET MDS C23
TYPE OF MATERIAL: Carbon Steel Type 360LT
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Wrought fittings ASTM A 860 WPHY Seamless and welded S53, S69
52
Page 1 of 1
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. HEAT TREATMENT For products delivered in quenched and tempered condition the minimum
tempering temperature shall be 620 ºC.
Components shall be placed in such a way as to ensure free circulation
around each component during the heat treatment process including
quenching.
3. CHEMICAL (V + Nb + Ti) ≤ 0,10 %
COMPOSITION
4. WELDING Welding shall be carried out by qualified welders according to qualified
procedures approved by a 3rd party organization.
The WPQ shall be qualified in accordance with ASME IX or ISO 15614-
1.
5. TEST Samples for production testing shall realistically reflect the properties in
SAMPLING the actual component.
The impact test specimens shall be taken from mid-thickness position.
Sketches shall be established showing location for extraction of test
specimens. The sketch shall be given a document identification number.

6. HARDNESS Hardness test shall be made for each test lot.

TESTING

7. NON- Supplementary requirement A 960 S53 and S69, magnetic particle

DESTRUCTIVE testing, shall apply to 10 % of all fittings (same test lot as defined for
TESTING mechanical testing) for nominal thickness < 12,7 mm and 100 % of all
fittings for nominal thickness ≥ 12,7 mm. The testing shall be carried out
after calibration of dimensions.
NDT operators shall be certified in accordance with ISO 9712 or
equivalent.
8. MARKING The component shall be marked to ensure full traceability to melt and
heat treatment lot.
9. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
The material certificate shall be in accordance with EN 10204 Type 3.1,
and shall include the following information:
- Manufacturer of the starting material for the finished product shall be
stated on the certificate.
- Heat treatment conditions (For QT condition, austentisation and
tempering temperature and quenching medium shall be stated.)
- Copy of test sampling sketch
MATERIAL DATA SHEET MDS C31
TYPE OF MATERIAL: Carbon Steel Type 360LT
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Seamless pipes API 5L X65Q PSL 2

Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred product standard and
additional requirements which shall be added or supersede the corresponding
requirements in the referred standard.
2. CHEMICAL The ladle chemical analysis shall comply with the chemical analysis as specified in
COMPOSITION table below.

Mass (%) Mass (%) Mass (%)

Elem. Elem. Elem.
Min. Max. Min. Max. Min. Max.
C 0.16 Mo 0.25 Nb 0.05
Mn 0.80 1.45 Ni 1.0 Ti 0.05
Si 0.15 0.40 Cu 0.10 V 0.05
0.025 0.02 0.06 V+Ti+N 0.08
P Al b
S 0.010 N 0.12 CEIIW 0.44
Cr 0.30 Al/N 2.0 CEPCM 0.23
The minimum tempering temperature shall be 620 ºC.
3. HEAT
During the heat treatment process, components shall be placed in such a way as to
TREATMENT
ensure free circulation around each pipe including possible quenching operation.
Tensile test shall be taken in transvers direction when outside diameter is > = 219.1
mm.
The tensile properties shall comply with the requirements specified in table below.
4. TENSILE
Property Minimum Maximum
TESTING
Yield strength, Rp0.2 (MPa) 450
Tensile strength, RM (MPa) 535 705
Elongation A (%) 20

5. IMPACT The test temperature shall be at - 29 ºC or below.

TESTING The minimum absorbed energy for full size specimen shall be 45 J average and 35
J single.
6. NON- 100 % ultrasonic surface testing (UT) with notch calibration on N10 notch shall be
DESTRUCTIVE carried out.
TESTING Acceptance criteria for surface examination by ultrasonic method shall be:
- Defects, with depths exceeding 10 % of the nominal wall thickness or 3,2
mm, whichever is the less, are not acceptable.
- Cracks or linear defects are not acceptable regardless of dimensions.
Pipes shall be subject to rejection if acceptable surface imperfection are not
scattered but appear over a large area in excess of what is considered a
workmanlike finish.
MATERIAL DATA SHEET MDS C31
TYPE OF MATERIAL: Carbon Steel Type 360LT
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Seamless pipes API 5L X65Q PSL 2

Page 2 of 2
7. REPAIR OF Weld repair of base material is not acceptable.
DEFECTS
8. All products shall be dimensionally tested to be in compliance with applicable
DIMENSIONAL design drawings or product standard.
TEST
9. The material certificate shall be issued in accordance with ISO 10474/EN 10204
CERTIFICATIO Type 3.1 and shall confirm compliance with the product standard and all specified
N requirements.
MATERIAL DATA SHEET MDS C33
TYPE OF MATERIAL: Carbon Steel Type 360LT

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Fittings ASTM A860 WPHY 65 Seamless A960 S53, S62,

S67
A961 S61
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred product standard and
additional requirements which shall be added or supersede the corresponding
requirements in the referred standard.
2. CHEMICAL The ladle chemical analysis shall comply with the chemical analysis as specified in
COMPOSITION table below.

Mass (%) Mass (%) Mass (%)

Elem. Elem. Elem.
Min. Max. Min. Max. Min. Max.
C 0.16 Mo 0.25 Nb 0.02
Mn 0.80 1.45 Ni 1.0 Ti 0.05
Si 0.15 0.40 Cu 0.10 V 0.05
0.030 0.02 0.06 V+Ti+N 0.08
P Al b
S 0.010 N 0.12
Cr 0.30 Al/N 2.0 CEIIW 0.44
All heat treatments shall be carried out in accordance with A961 Supplementary
Requirement S61.
The fittings shall be delivered in quench and tempered condition. The minimum
3. HEAT
tempering temperature shall be 620 °C.
TREATMENT During the heat treatment process components shall be placed in such a way as to
ensure free circulation around each component including possible quenching
operation.
Test specimens shall be obtained from a sacrificial product production or a
4. TEST prolongation thereof after all heat treatment is completed.
SAMPLING One test sample shall be taken to represent each heat of steel and each heat
treatment load.
One tensile test specimen shall be prepared per test sample.
The tensile properties shall comply with the requirements specified in table below.
5. TENSILE Property Minimum Maximum
TESTING Yield strength, Rp0.2 (MPa) 450
Tensile strength, RM (MPa) 530 705
Elongation A (%) 20

6. IMPACT The test specimens shall be taken in transverse direction to the primary metal flow.
TESTING The test temperature shall be at - 29 ºC or below.
The minimum absorbed energy for full size specimen shall be 45 J average and 35
J single.
MATERIAL DATA SHEET MDS C33
TYPE OF MATERIAL: Carbon Steel Type 360LT

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Fittings ASTM A860 WPHY 65 Seamless A960 S53, S62,

S67
A961 S61
Page 2 of 2
7. NON- All fittings shall be subject to the following testing:
DESTRUCTIVE − All accessible surfaces shall be visually examined.
TESTING − All accessible surfaces shall be magnetic particle tested according to
ASME V.
Acceptance criteria shall be to ASME VIII Div. 1 Appendix 6.
− All weld ends in a length of minimum 50 mm shall be ultrasonic tested using the
flat-bottom-hole technique in accordance to ASTM A388. Acceptance criteria
shall be as follows:
o no single indication exceeding reference distance amplitude curve.
o no multiple indications exceeding 50 % of reference distance amplitude curve.
Multiple indications are defined as two or more indications (each exceeding
50 % of the reference distance amplitude curve within 13 mm of each other in
any direction.
8. REPAIR OF Weld repair of base material is not acceptable.
DEFECTS
9. All products shall be dimensionally tested to be in compliance with applicable
DIMENSIONAL design drawings or product standard.
TEST
The material certificate shall be issued in accordance with ISO 10474/EN 10204
10.
Type 3.1 and shall confirm compliance with the product standard and all specified
CERTIFICATION
requirements.
MATERIAL DATA SHEET MDS C34
TYPE OF MATERIAL: Carbon Steel Type 360LT

PRODUCT STANDARD GRADE ACCEPT. SUPPL. REQ.

CLASS
Flanges ASTM A694 F65 A961 S51, S52,
S53, S54, S55,
S61, S62.3
Page 1 of 3
1. SCOPE This MDS specifies the selected options in the referred product standard and
additional requirements which shall be added or supersede the corresponding
requirements in the referred standard.
2. MELTING The primary steel melt treatment shall incorporate a separate vacuum degassing or
PROCESS a secondary refining and shall be made to a fine grain practice.
In case a secondary remelting method is applied A961 S51 shall apply.
3. CHEMICAL The ladle chemical analysis shall comply with the chemical analysis of ASTM A 694
COMPOSITION Grade F65 modified as specified in table below.
Mass (%) Mass (%) Mass (%)
Elem. Elem. Elem.
Min. Max. Min. Max. Min. Max.
C 0.16 Mo 0.25 Nb 0.02
Mn 0.80 1.45 Ni 1.0 Ti 0.05
Si 0.15 0.40 Cu 0.10 V 0.05
0.030 0.02 0.06 V+Ti+N 0.08
P Al b
S 0.010 N 0.12 B 0.0005
Cr 0.30 Al/N 2.0 CEIIW 0.44
A product analysis (A 961 S52) shall be taken once per heat of steel supplied and
the product analysis shall be within the tolerance limits specified by ASTM A 961
Table 2.
All heat treatments shall be carried out in accordance with A961 Supplementary
Requirement S61.
4. HEAT The forgings shall be delivered in normalized, normalized and tempered or quench
TREATMENT and tempered condition. During the heat treatment process components shall be
placed in such a way as to ensure free circulation around each component
including possible quenching operation.
Test specimens shall be obtained from a sacrificial product production or a
prolongation thereof after all heat treatment is completed.
One test sample shall be taken to represent each heat of steel and each heat
treatment load. The tensile and impact test specimens shall be taken from the
5. TEST Position 1 (flange hub) mid-thickness location the mid length of the test specimen
SAMPLING shall be in a distance of TB/2 or minimum 50 mm from weld end.
If size of flange is too small to take full size test specimens from Position 1 the test
specimens shall be taken from the Position 2.
Test specimens shall be taken in both axial and tangential direction from Position 1
and in tangential direction only from Position 2.
MATERIAL DATA SHEET MDS C34
TYPE OF MATERIAL: Carbon Steel Type 360LT
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Fittings ASTM A860 WPHY 65 Seamless A960 S53, S62,

S67
A961 S61
Page 2 of 3
If the flange is designed with different tensile properties in weld neck and body/ring
locations test specimens for each test method shall be taken from both positions.

Location of test specimens for weld neck flanges

Figure 1 – Test sampling locations for weld neck flange

A sized test sketch detailing the location and number of test specimens shall be
prepared for each size of flange to be tested.
Location of test specimens for blind flanges
For blind flanges test specimens shall be taken from a sacrificial blind or from a
prolongation of a production forging. The size of the prolongation shall be sufficient
to locate the mid-length of any test specimen in a distance equal to the thickness
(T) from outside diameter.
When a sacrificial blind flange is used as test sample and maximum thickness T ≤
50 mm, the test specimen shall be taken at mid thickness and its mid length shall
be at least in a distance equal to the thickness from any second surface. If the
maximum thickness, T > 50 mm, the test specimens shall be taken at least ¼ T
from the nearest surface and mid-length of test specimens at least T or 100 mm,
whichever is less, from any second surface.
Tensile and impact test specimens shall be taken in the tangential direction.
One tensile test specimen shall be prepared per test sample.
Property Minimum Maximum
6. TENSILE Yield strength, Rp0.2 (MPa) 450
AND Tensile strength, RM (MPa) 530 705
HARDNESS Yield/Tensile ratio, Rp0.2/ 0.93
TESTING RM
Elongation A (%) 20
Hardness, (HRC/HB) 22/237
MATERIAL DATA SHEET MDS C34
TYPE OF MATERIAL: Carbon Steel Type 360LT

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Flanges ASTM A694 F65 A961 S51, S52,

S53, S54, S55,
S61, S62.3
Page 3 of 3
Minimum three hardness intentions shall be made along a travers of the weld end
wall thickness. The tensile and hardness properties shall comply with the
requirements specified in table below.
7. IMPACT A 961 S54 shall apply.
TESTING The test temperature shall be at - 29 ºC.
The minimum absorbed energy for full size specimen shall be 40 J average and
30 J single.
8. NON- All fittings shall be subject to the following testing:
DESTRUCTIVE − All accessible surfaces shall be visually examined.
TESTING − All accessible surfaces shall be magnetic particle tested according to
ASME V.
Acceptance criteria shall be to ASME VIII Div. 1 Appendix 6.
- All weld ends in a length of minimum 50 mm shall be ultrasonic tested
using the
flat-bottom-hole technique in accordance to ASTM A388. Acceptance criteria
shall be as follows:
- no single indication exceeding reference distance amplitude curve;
- no multiple indications exceeding 50 % of reference distance amplitude
curve.
Multiple indications are defined as two or more indications (each exceeding
50 % of the reference distance amplitude curve within 13 mm of each other in
any direction.
9. REPAIR OF Weld repair of base material is not acceptable.
DEFECTS
10. All products shall be dimensionally tested to be in compliance with applicable
DIMENSIONAL design drawings or product standard.
TEST
11. The material certificate shall be issued in accordance with ISO 10474/EN 10204
CERTIFICATION Type 3.1 and shall confirm compliance with all specified requirements.
MATERIAL DATA SHEET MDS D41
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Seamless pipes ASTM A 790 UNS S31803 - -
UNS S32205
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards Manufacturing Procedure.
4. HEAT TREATMENT The pipes shall be solution annealed followed by accelerated cooling.
Pipes shall be placed in such a way as to ensure free circulation of
heating and cooling media around each pipe during the heat treatment
process including quenching.
5. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
6. CHEMICAL UNS S31803: N = 0,14 - 0,20 %
COMPOSITION
7. TENSILE TESTING Rp0.2  450 MPa; Rm  620 MPa; A  25 %
8. IMPACT TESTING Charpy V-notch testing (3 specimens) according to ASTM A 370 at - 46 ºC
is required for the thickness  6 mm. The minimum absorbed energy shall
be 45 J average / 35 J single. Reduction factors for sub-size specimens
shall be: 7,5 mm - 5/6 and 5 mm - 2/3.
Impact test specimens shall be taken from mid-thickness position.
9. MICROGRAPHIC General
EXAMINATION The test specimen shall cover the near surfaces and mid-thickness area of
the pipe. The specimen shall be polished and etched in 20 % NaOH
electrolyte or another etchant qualified.
Intermetallic phases and nitride precipitates
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 400 to 500 X magnification. Any
presence of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-
notch test results.
Ferrite content
The ferrite content shall be determined by point counting according to ASTM
E 562 or by image analysis according to ASTM E 1245. The relative
accuracy shall be less than 20 %. The ferrite content shall be within 35 -
55 %.
10. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test
TEST temperature shall be 25 ºC and the exposure time 24 hours. The test shall
expose the external and internal surfaces and a cross section surface in full
wall thickness. Cut edges shall be prepared according to ASTM G 48. The
complete specimen shall be pickled before weighed and tested. Pickling
may be performed for 5 minutes at 60 ºC in a solution of 20 % HNO3 + 5 %
HF.
MATERIAL DATA SHEET MDS D41
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Seamless pipes ASTM A 790 UNS S31803 - -
UNS S32205
Page 2 of 2
The acceptance criteria are:
- No pitting 20 X magnification.
- The weight loss shall be less than 4,0 g/m2.
11. EXTENT Charpy V-notch impact, microstructure, corrosion, hardness and tensile
OF TESTING testing shall be carried out for each lot.
12. SURFACE White pickled or bright annealed.
FINISH
13. REPAIR OF Weld repair is not acceptable.
DEFECTS
14. MARKING The component shall be marked to ensure full traceability to melt and
heat treatment lot.
15. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
The material certificate shall be in accordance with EN 10204 Type 3.1
MATERIAL DATA SHEET MDS D42
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Welded pipes ASTM A 928 UNS S31803 Class 1, 3 and 5 S3
UNS S32205
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
4. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards Manufacturing Procedure.
5. HEAT The pipes shall be solution annealed followed by water quenching.
TREATMENT Pipes shall be placed in such a way as to ensure free circulation of heating
and cooling media around each pipe during the heat treatment process
including quenching.
6. CHEMICAL UNS S31803: N = 0,14 - 0,20 %
COMPOSITION
7. TENSILE TESTING Base material properties: Rp0.2  450 MPa; Rm  620 MPa; A  25 %.
8. MICROGRAPHIC General
EXAMINATION The test specimen shall cover the near surfaces and mid-thickness area of
the pipe including the weld zone. The specimen shall be polished and etched
in 20 % NaOH electrolyte or another etchant qualified.
Intermetallic phases and nitride precipitates
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 400 to 500 X magnification. Any
presence of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-
notch test results.
Ferrite content
The ferrite content shall be determined by point counting according to ASTM
E 562 or by image analysis according to ASTM E 1245. The relative accuracy
shall be less than 20 %.
The ferrite content shall be within 35 - 55 % for base material and 35 - 65 %
for weld metal.
9. IMPACT Charpy V-notch testing according to ASTM A 370 at - 46 ºC is required for
TESTING the thickness  6 mm. The minimum absorbed energy shall be 45 J average
and 35 J single. Two sets, each 3 specimens, shall be carried out with notch
located in base material and weld metal, respectively. Reduction factors for
sub-size specimens shall be: 7,5 mm - 5/6 and 5 mm - 2/3.
MATERIAL DATA SHEET MDS D42
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Welded pipes ASTM A 928 UNS S31803 Class 1, 3 and 5 S3
UNS S32205
Page 2 of 2
10. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test
TEST temperature shall be 25 ºC and the exposure time 24 hours. The test shall
expose the external and internal surfaces and a cross section surface in full
wall thickness. Cut edges shall be prepared according to ASTM
G 48. The complete specimen shall be pickled before weighed and
tested. Pickling may be performed for 5 minutes at 60 ºC in a solution of
20 % HNO3 + 5 % HF.
The acceptance criteria are:
 No pitting 20 X magnification.
 The weight loss shall be less than 4,0 g/m2.
11. EXTENT Tensile test, impact test, corrosion test, hardness test and microstructure
OF TESTING examination shall be carried out for each lot. The lot is defined as follows:
- For batch furnace a lot is defined as maximum 60 m of pipe of the same
heat, size and heat treatment charge.
- For continuous heat treatment furnace the lot definition in the ASTM
standard shall apply.
12. WELDING The WPS shall be qualified in accordance with ASME IX or ISO 15614-1
and shall include the same examinations as for the production testing. The
qualification shall be carried out on the same material grade (UNS number)
as used in production. Change of specific make (brand name) of welding
consumables requires requalification.
13. NON- Supplementary requirement S3, penetrant testing, according to ASME V
DESTRUCTIV Article 6 shall apply to the weld area of 10 % of the pipes (same test lot as
E TESTING defined for mechanical testing) delivered. The testing shall be carried out
after calibration and pickling. Acceptance criteria shall be to ASME VIII, Div.
1 Appendix 8.
NDT operators shall be qualified in accordance with ISO 9712 or equivalent.
14. REPAIR Weld repair of base material is not acceptable. For repair of welds the same
OF DEFECTS requirements to use of qualified WPS shall apply as for production welding.
15. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
16. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
The material certificate shall be in accordance with EN 10204 Type 3.1.
MATERIAL DATA SHEET MDS D43
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Wrought fittings HIP ASTM A 815 UNS WP-W, WP-S or WP- S7
Products ASTM A 988 S31803 WX
UNS
S32205
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
4. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards Manufacturing Procedure.
The Hot Isostatic Pressed (HIP) process is an acceptable alternative
manufacturing process.
5. HEAT The fittings shall be solution annealed followed by water quenching.
TREATMENT Fittings shall be placed in such a way as to ensure free circulation of
heating and cooling media around each fitting during the heat treatment
process including quenching.
6.CHEMICAL UNS S31803: N = 0,14 - 0,20 %
COMPOSITION
7. MICROGRAPHIC General
EXAMINATION The test specimen shall cover the near surfaces and mid-thickness region of
the fittings including the weld zone if relevant. The specimen shall be polished
and etched in 20 % NaOH electrolyte or another etchant qualified.
Intermetallic phases and nitride precipitates
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 400 to 500 X magnification. Any
presence of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-notch
test results.
Ferrite content
The ferrite content shall be determined by point counting according to
ASTM E 562 or by image analysis according to ASTM E 1245. The relative
accuracy shall be less than 20 %.
- The ferrite content shall be within 35 - 55 % for base material and 35 -
65 % for weld metal. For HIP product the ferrite content shall be within
40 -60%.
8. IMPACT TESTING Charpy V-notch testing according to ASTM A 370 at - 46 ºC is required for the
thickness ≥ 6 mm. The minimum absorbed energy shall be 45 J average and
35 J single. Reduction factors for sub- size specimens shall be: 7,5 mm - 5/6
and 5 mm - 2/3.
The notch location and number of specimen shall be:
- Seamless fittings: One set, 3 specimens.
MATERIAL DATA SHEET MDS D43
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Wrought fittings HIP ASTM A 815 UNS WP-W, WP-S or WP- S7
Products ASTM A 988 S31803 WX
UNS
S32205
Page 2 of 2
- Welded fittings: Two sets, each 3 specimens, one located in base material
and one in weld metal.

9. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test

TEST temperature shall be 25 ºC and the exposure time 24 hours. The test shall
expose the external and internal surfaces and a cross section surface in full
wall thickness. Cut edges shall be prepared according to ASTM G 48. The
complete specimen shall be pickled before weighed and tested. Pickling may
be performed for 5 minutes at 60 ºC in a solution of 20 % HNO3 + 5 % HF.
The acceptance criteria are:
 No pitting 20 X magnification.
 The weight loss shall be less than 4,0 g/m2.
10. EXTENT OF Tensile test, impact test, corrosion test, hardness test and microstructure
TESTING examination shall be carried out for each heat, heat treatment load within a
wall thickness range of 5 mm and welded with the same WPS.
11. TEST Samples for production testing shall realistically reflect the properties in the
SAMPLING actual components. Test sampling shall be made from an actual fitting or
from a prolongation thereof.
Sketches shall be established showing location for extraction of test
specimens. The sketch shall be given a document identification number.
12. WELDING The WPS shall be qualified in accordance with ASME IX or ISO 15614-1
and shall include the same examinations as for the production testing. The
qualification shall be carried out on the same material grade (UNS number)
as used in production. Change of specific make of welding consumables
requires requalification.
13. NON- Supplementary requirement S7, liquid penetrant testing, shall apply to 10 %
DESTRUCTIVE of seamless (from the test lot as defined above) and 100 % of welded
TESTING fittings above NPS 2. The testing shall be carried out after calibration and
pickling. For welded fittings the testing shall cover the weld only. The
acceptance criteria shall be ASME VIII, Div. 1, Appendix 8.
NDT operators shall be certified in accordance with ISO 9712 or equivalent.
14. SURFACE White pickled. Machined surfaces do not require pickling.
FINISH
15. REPAIR OF Weld repair of base material is not acceptable. For repair of welds the
DEFECTS same requirements to WPS shall apply as for production welding.
16. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
9. CERTIFICATION The material manufacturer shall have a quality system certified in accordance
with ISO 9001 and the system shall have undergone a specific assessment
for the relevant materials.
The material certificate shall be in accordance with EN 10204 Type 3.1
MATERIAL DATA SHEET MDS D44
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Forgings ASTM A 182 F51, UNS - S56
HIP Products ASTM A 988 S31803 F60,
UNS S32205
Page 1 of 3
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
This MDS is intended for components with maximum section thickness of
300 mm. For larger thickness special agreements shall be made in each
case.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
4. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards Manufacturing Procedure.
The Hot Isostatic Pressed (HIP) process is an acceptable alternative to
forging.
5. HEAT The components shall be solution annealed followed by water quenching.
TREATMENT Components shall be placed in such a way as to ensure free circulation of
heating and cooling media around each component during the heat
treatment process including quenching.
6. CHEMICAL F51: N = 0,14 - 0,20 %
COMPOSITION
7. TEST SAMPLING Samples for production testing shall realistically reflect the properties in the
actual components.
For products forged by the closed die method, the test specimen shall be
obtained from a sacrificial product.

For products forged by the open die or by the ring rolling method, the test
specimen shall be obtained from a sacrificial forging or from an integral
prolongation.
MATERIAL DATA SHEET MDS D44
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Forgings ASTM A 182 F51, UNS - S56
HIP Products ASTM A 988 S31803 F60,
UNS S32205
Page 2 of 3
For flanges the thickness of the prolongation shall minimum be equal to
the hub thickness (TH) as shown in fig. 1.
Integrated test blocks shall be used for components manufactured by HIP.

Test location flanges: The basic test location is mid-thickness of hub (TH)
in a distance TB/2 or minimum 50 mm from weld end, see fig. 1, position 1.
If test specimens cannot be extracted from position 1 test specimens shall
be extracted from flange body position 2.
When prolongations are used test specimens shall be taken in a distance
TB/2 or minimum 50 mm from the second heat treated surface.

Test location other forgings and HIP products: For forgings having
maximum section thickness, T > 50 mm, the test specimen shall be taken
at mid thickness and its mid length shall be at least 50 mm from any
second surface or at equal distance from the second surfaces.
For forgings having maximum section thickness, T > 50 mm, the test
specimens shall be taken at least ¼ T from the nearest surface and mid-
length of test specimens at least T or 100 mm, whichever is less, from any
second surface.
For all forgings sketches shall be established showing type, and size of
test samples and location for extraction of test specimens. The sketch
shall be given a document identification number.
NOTE: For closed die forged components and flanges exceeding 80 kg it is recognized that
alternative test may be used. Such alternative test sampling shall be qualified and shall
comprise comparative testing of sacrificial forgings and the proposed alternative test
sample.
8. EXTENT OF One set of impact test, tensile test, corrosion test, hardness test and
TESTING microstructure examination shall be carried out for each heat and heat
treatment load. The testing shall be carried out on the component with
heaviest wall thickness within the load. A test lot shall not exceed 2000 kg for
forgings with as forged weight ≤ 50 kg, and 5000 kg for forgings with as
forged weight > 50 kg.
9. MICROGRAPHIC General
EXAMINATION The test specimen shall be taken in same area as of tensile test specimen.
The test area shall be minimum 10 x 10 mm. The specimen shall be polished
and etched in 20 % NaOH electrolyte or another etchant qualified.
Intermetallic phases and nitride precipitates
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 400 to 500 X magnification. Any
presence of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-
notch test results.
 MATERIAL DATA SHEET MDS D44
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Forgings ASTM A 182 F51, UNS - S56
HIP Products ASTM A 988 S31803 F60,
UNS S32205
Page 3 of 3
Ferrite content
The ferrite content shall be determined by point counting according to ASTM E
562 or by image analysis according to ASTM E 1245.
The relative accuracy shall be less than 20 %.
For forgings the ferrite content shall be within 35 - 55 % and for HIP products
40-60%.
10. IMPACT Charpy V-notch testing according to ASTM A 370 at – 46 ºC is required for
TESTING the thickness
≥ 6 mm (thickness at the weld neck). The minimum absorbed energy shall
be 45 J average and 35 J single. Reduction factors for sub-size specimens
shall be: 7,5 mm - 5/6 and 5 mm - 2/3.
For flanges test specimens shall be taken in axial direction to the bore of
the flange, see fig. 1, position 1.
11. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test
TEST temperature shall be 25 ºC and the exposure time 24 hours. The corrosion
test specimen shall be taken from the same location as the mechanical test
specimens. For forgings with wall thickness less than 100 mm the test
specimen shall expose a cross section from surface to mid-thickness. For
greater wall thickness the specimen shall expose a cross section from
surface to a depth of 50 mm. Cut edges shall be prepared according to
ASTM G 48. The complete specimen shall be pickled before weighed and
tested. Pickling may be performed for 5 minutes at 60 ºC in a solution of
20 % HNO3 + 5 % HF.
The acceptance criteria are:
 No pitting 20 X magnification.
 The weight loss shall be less than 4,0 g/m2.
12. NON- ASTM A 961 supplementary requirement S56, penetrant testing, shall apply
DESTRUCTIVE to 10 % of forgings (from the lot as defined for mechanical testing) above
TESTING NPS 2. The testing shall be carried out after final machining. Non-machined
surfaces shall be pickled prior to the testing.
The acceptance criteria shall be ASME VIII, Div. 1, Appendix 8.
NDT operators shall be certified in accordance with ISO 9712 or equivalent.
13. SURFACE Finished products shall be white pickled. Machined surfaces do not require
FINISH pickling.
14. REPAIR OF Weld repair is not acceptable.
DEFECTS
15. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
16. The material manufacturer shall have a quality system certified in
CERTIFICATION accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
The material certificate shall be in accordance with EN 10204 Type 3.1.
MATERIAL DATA SHEET MDS D45
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Plates ASTM A 240 UNS S31803 - S1
UNS S32205
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards Manufacturing Procedure.
4. STEEL MAKING The steel melt shall be refined with AOD or equivalent.

5. HEAT The plates shall be solution annealed followed by water quenching.

TREATMENT Plates shall be placed in such a way as to ensure free circulation of heating
and cooling media around each plate during the heat treatment process
including quenching
6. CHEMICAL UNS S 31803: N = 0,14 - 0,20 %
COMPOSITION
7. MICROGRAPHIC General
EXAMINATION The test specimen shall cover the near surfaces and mid-thickness area. The
specimen shall be polished and etched in 20 % NaOH electrolyte or another
etchant qualified.
Intermetallic phases and nitride precipitates
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 400 to 500 X magnification. Any
presence of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-
notch test results.
Ferrite content
The ferrite content shall be determined by point counting according to ASTM
E 562 or by image analysis according to ASTM E 1245. The relative accuracy
shall be less than 20 %.
The ferrite content shall be within 35 - 55 %.
8. IMPACT TESTING Charpy V-notch testing according to ASTM A 370 at – 46 ºC is required for
the thickness ≥ 6 mm. The minimum absorbed energy shall be 45 J average
and 35 J single. Reduction factors for sub-size specimens shall be: 7,5 mm -
5/6 and 5 mm - 2/3.
9. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test
TEST temperature shall be 25 ºC and the exposure time 24 hours. The test shall
expose the external and internal surfaces and a cross section surface in full
wall thickness. Cut edges shall be prepared according to ASTM
G 48. The complete specimen shall be pickled before weighed and tested.
Pickling may be performed for 5 minutes at 60 ºC in a solution of 20 % HNO3
+ 5 % HF.
MATERIAL DATA SHEET MDS D45
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Plates ASTM A 240 UNS S31803 - S1
UNS S32205
Page 2 of 2
The acceptance criteria are:
- No pitting 20 X magnification.
- The weight loss shall be less than 4,0 g/m2.
10. EXTENT Impact test, tensile test, corrosion test, hardness test and micrographic
OF TESTING examination shall be carried out for each heat, nominal thickness and heat
treatment load. For heat treatment in continuous furnace a heat treatment
load is defined as all plates heat treated continuously in the same furnace, of
the same heat and nominal thickness. For coils a complete set of tests shall
be carried out at both ends of the coil.
11. TEST SAMPLING Samples for production testing shall realistically reflect the properties in the
actual components.
Tensile test specimens shall be sampled in transverse direction and shall
be located in mid- thickness for thickness (t) ≤ 40mm and in location t/4 for
thicknesses (t) > 40 mm, ref. ASTM E 8.
Impact specimens shall be taken at mid-thickness position in
transverse direction. For coils a complete set of tests shall be
carried out at both ends of the coil.
12. SURFACE White pickled.
FINISH
13. REPAIR OF Weld repair is not acceptable.
DEFECTS
14. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
15. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
The material certificate shall be in accordance with EN 10204 Type 3.1
MATERIAL DATA SHEET MDS D46
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM A 995 4A (UNS J92205) - S6, S8, S20
Page 1 of 3
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. MANUFACTURE The manufacturing of products according to this MDS shall be carried out
according to the relevant ASTM standards Manufacturing Procedure.
4. STEEL MAKING The steel melt shall be with AOD or equivalent refining.
5. HEAT The castings shall be solution annealed followed by water quenching.
TREATMENT Components shall be placed in such a way as to ensure free circulation of
heating and cooling media around each component during the heat treatment
process including quenching.
6. CHEMICAL N = 0,14 - 0,30 %
COMPOSITION
7. IMPACT Charpy V-notch testing is required according to ASTM A
TESTING 370 at - 46 ºC. The minimum absorbed energy shall be 45
J average and 35 J single.
8. MICROGRAPHIC General
EXAMINATION The test specimen shall be taken from the cross hatched area shown in Fig. 1
and 2. The specimen shall be polished and etched in 20 % NaOH electrolyte
or another etchant qualified.
Intermetallic phases and nitride precipitates
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 200 X magnification Any presence
of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the acceptance
of product shall be based upon the corrosion and Charpy V-notch test results.
Ferrite content
The ferrite content shall be determined by point counting according to ASTM
E 562 or by image analysis according to ASTM E 1245. The relative accuracy
shall be less than 20 %.
The ferrite content shall be within 35 - 55 %.
9. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test
TEST temperature shall be 25 ºC and the exposure time 24 hours. The corrosion
test specimen shall be taken from the same location as the mechanical test
specimens. Cut edges shall be prepared according to ASTM G 48. The
complete specimen shall be pickled before weighed and tested. Pickling may
be performed for 5 minutes at 60 ºC in a solution of 20 % HNO3 + 5 % HF.
The acceptance criteria are:
 No pitting 20 X magnification.
 The weight loss shall be less than 4,0 g/m2.
MATERIAL DATA SHEET MDS D46
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM A 995 4A (UNS J92205) - S6, S8, S20
Page 2 of 3
10. TEST Samples for mechanical testing shall realistically reflect the properties in the
SAMPLING actual components.
For castings with weight 250 kg or more the test block shall be integrally cast
or gated onto the castings and shall not be removed from the castings until
after the heat treatment.
During any reheat treatment the test block shall be tack welded onto the
casting.
Thickness of the test block shall be equal to the thickest part of the casting
represented. For flanged components the largest flange thickness is the
ruling section.
Dimensions of test blocks and location of test specimens within the test blocks
are shown in figures 1 and 2 for integral and gated test blocks, respectively.
The test specimens shall be taken within the cross hatched area and in a
distance of T/4 from the ends. When thickness T of test block is ≤ 50 mm the
longitudinal axis of test specimens shall be located in the centre of test blocks.
11. TEST
SAMPLING

12. EXTENT A full set of tensile, impact, corrosion, hardness tests and microstructure
OF TESTING examinations shall be made for each heat and heat treatment load including
any PWHT. A test lot shall not exceed 5000 kg.
13. NON- NDT operators shall be certified in accordance with ISO 9712 or equivalent.
DESTRUCTI Liquid penetrant testing:
VE TESTING - All accessible surfaces (including internal surfaces) of all castings shall
be examined with Liquid Penetrant (PT). Surface examination of steel
castings shall be in accordance with ASME VIII Div. 1 Appendix 7. The
testing shall be carried out after final machining. Non- machined surfaces
shall be pickled prior to the testing.
Radiographic testing (RT):
- Method of radiography and acceptance criteria shall be in accordance with
ASME VIII Div. 1 Appendix 7.
Extent of radiographic examination (RT) for valve castings shall be according
to table in section 5.2.1, Non-Destructive Examination of Topsides Piping and
Valve Material specification.
MATERIAL DATA SHEET MDS D46
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM A 995 4A (UNS J92205) - S6, S8, S20
Page 3 of 3

- Valve castings shall be examined in the areas as defined by ASME B16.34

for special class valves and other critical areas as defined by designer. In
addition castings shall be examined at abrupt changes in sections and at
the junctions of risers, gates or feeders to the castings. When random
examination (10%) is specified, minimum one casting of each pattern in
any purchase order with the foundry shall be examined. If defect outside
acceptance criteria is detected, two more castings shall be tested, and if
any of these two fails all items represented shall be tested.
- Other type of castings: Each casting shall be examined unless agreed
otherwise. Testing shall be at abrupt changes in sections and at the
junctions of risers, gates or feeders to the castings and other critical
areas as defined by designer. Sketches of the areas to be tested shall
be established and agreed.
14. SURFACE White pickled. Machined surfaces do not require pickling.
FINISH
15. REPAIR All major repairs shall be documented according to ASTM A 703 SR S20.
OF DEFECTS Post weld heat treatment (PWHT) is required after all weld repairs. For
minor weld repairs, as defined by ASTM A 995, the PWHT may be excluded
provided the welding procedure qualification shows that all specified
properties, as specified in this MDS, are be fulfilled.
The repair welding procedure shall be qualified in accordance with ASTM A
488 or ISO 11970 and this MDS. The repair welding procedure qualification
shall include the following:
- Qualified on a cast plate of the same grade (UNS-number) which shall be
welded;
- Change of specific make of filler metal (brand names) requires
requalification for SMAW and FCAW processes.
- Examination of microstructure of base material and weld zone. The ferrite
content shall be 35 - 55 % for the base material and 35 - 65 % for the
weld metal;
- Charpy V-notch testing as specified above, with two sets each 3
specimens, with notch located in weld metal and fusion line,
respectively.
16. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
17. The material manufacturer shall have a quality system certified in
CERTIFICATION accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
The material certificate shall be in accordance with EN 10204 Type 3.1.
MATERIAL DATA SHEET MDS D47
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Bars ASTM A 479 UNS S31803 UNS - -
S32205
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
This MDS is intended for bars with maximum section thickness of 300 mm.
For larger thickness special agreements shall be made in each case.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
4. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards Manufacturing Procedure.
Machining of components as valves, fittings and hollow sections from bar:
Products may be machined from bar under the following conditions:
- Purchasers’ acceptance shall be obtained in each case.
- The bar shall be tested and certified according to this MDS.
- When bar with outside diameter 100 mm or greater is used, tensile and
impact specimens shall be taken in both longitudinal and transverse
direction. Acceptance criteria shall be the same in both directions. For
valves and fittings without welding ends 27 J average is acceptable in
transverse direction.
- 100 % penetrant testing to ASTM A 961 SR S56 shall apply to all
finished products. The acceptance criteria shall be ASME VIII, Div. 1,
Appendix 8. NDT operators shall be certified in accordance with ISO
9712 or equivalent.
5. HEAT The bars shall be solution annealed followed by water quenching. The
TREATMENT solution annealing temperature shall be as defined in ASTM A 182 for
the actual grade/UNS number.
Bars shall be placed in such a way as to ensure free circulation of heating
and cooling media around each bar during the heat treatment process
including quenching.
6. CHEMICAL UNS S31803: N = 0,14 – 0,20 %
COMPOSITION
7.MICROGRAPHIC General
EXAMINATION The test specimen shall be taken in transverse direction to the main
working direction in same area as of tensile test specimen. The specimen
shall be polished and etched in 20 % NaOH electrolyte or another etchant
qualified.
Intermetallic phases and nitride precipitates
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 400 to 500 X magnification. Any
presence of intermetallic phases and/or precipitates shall be reported.
MATERIAL DATA SHEET MDS D47
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 22Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Bars ASTM A 479 UNS S31803 - -
UNS S32205
Page 2 of 2
In case intermetallic phases and/or precipitations are detected the acceptance
of product shall be based upon the corrosion and Charpy V-notch test results.
Ferrite content
The ferrite content shall be determined by point counting according to ASTM E
562 or by image analysis according to ASTM E 1245. The relative accuracy
shall be less than 20 %.
The ferrite content shall be within 35 - 55 %.
8. IMPACT Charpy V-notch testing is required according to ASTM A
TESTING 370 at - 46 ºC. The minimum absorbed energy shall be 45
J average and 35 J single.
9. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test
TEST temperature shall be 25 ºC and the exposure time 24 hours. The corrosion test
specimen shall be taken from the same location as the mechanical test
specimens. For bars with diameter less than 100 mm the test specimen shall
expose a cross section from surface to mid-thickness. For greater wall
thickness the specimen shall expose a cross section from surface to a depth of
50 mm. Cut edges shall be prepared according to ASTM G 48. The complete
specimen shall be pickled before weighed and tested. Pickling may be
performed for 5 minutes at 60 ºC in a solution of 20 % HNO3 + 5 % HF.
The acceptance criteria are:
 No pitting 20 X magnification.
The weight loss shall be less than 4,0 g/m2.
10. EXTENT One set of impact test, tensile test, corrosion test, hardness test and
OF TESTING microstructure examination shall be carried out for each heat and heat
treatment load.
11. TEST Samples for production testing shall realistically reflect the properties in the
SAMPLING actual components. Test location shall be:
- For bars having section thickness, T ≤ 50 mm, the test specimens shall
be taken in longitudinal direction at mid thickness and its mid length shall
be at least 50 mm from any second surface.
- For bars having section thickness, T > 50 mm, the test specimen shall be
taken in longitudinal direction at least ¼ T from the nearest surface and at
least T or 100 mm, whichever is less, from any second surface.
12. SURFACE Finished products shall be white pickled. Machined surfaces do not require
FINISH pickling.
13. REPAIR OF Weld repair is not acceptable.
DEFECTS
14. MARKING The bar and/or finished product shall be marked to ensure full traceability
to melt and heat treatment lot.
15. The material manufacturer shall have a quality system certified in
CERTIFICATION accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
The material certificate shall be in accordance with EN 10204 Type 3.1.
MATERIAL DATA SHEET MDS D51
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Seamless pipes ASTM A 790 UNS S32550 - -

UNS S32750
UNS S32760
UNS S39274
UNS S39277
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard. This MDS is based on
the mechanical properties of UNS S32760.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards manufacturing procedure.
4. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
5. HEAT The pipes shall be solution annealed followed by accelerated cooling.
TREATMENT Pipes shall be placed in such a way as to ensure free circulation of heating
and cooling media around each pipe during the heat treatment process
including accelerated cooling.
6. CHEMICAL C ≤ 0,03 %
COMPOSITION PREN = (% Cr + 3,3 % Mo + 16 % N) ≥ 40,0
7. TENSILE TESTING Rp0.2 ≥ 550 MPa; Rm ≥ 750 MPa; A ≥ 25 %
8. MICROGRAPHIC General
EXAMINATION The test specimen taken in transverse direction to the main working
direction in mid-thickness location. The specimen shall be polished and
etched in 20 % NaOH electrolyte or another etchant qualified.
Intermetallic phases and nitride precipitates
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 400 to 500 X magnification. Any
presence of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-
notch test results.
Ferrite content
The ferrite content shall be determined by point counting according to ASTM
E 562 or by image analysis according to ASTM E 1245. The relative accuracy
shall be less than 20 %. The ferrite content shall be within 35 - 55 %.
9. IMPACT TESTING Charpy V-notch testing according to ASTM A 370 at - 46 ºC is required for
thickness ≥ 6 mm. The minimum absorbed energy shall be 45 J average /
35 J single.
Reduction factors for subsize specimens shall be: 7,5 mm - 5/6 and 5 mm -
2/3.
10. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test
TEST temperature shall be 50 ºC and the exposure time 24 hours. The test shall
expose the external and internal surfaces and a cross section surface in full
wall thickness. Cut edges shall be prepared according to ASTM G 48.
MATERIAL DATA SHEET MDS D51
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Seamless pipes ASTM A 790 UNS S32550 - -

UNS S32750
UNS S32760
UNS S39274
UNS S39277

Page 2 of 2
The complete specimen shall be pickled before weighed and tested. Pickling
may be performed for 5 minutes at 60 ºC in a solution of 20 % HNO3 + 5 %
HF.
The acceptance criteria are:
- No pitting at 20 X magnification
- The weight loss shall be less than 4,0 g/m2
11. EXTENT OF Charpy V-notch impact, microstructure, hardness, corrosion and tensile
TESTING testing shall be carried out for each lot.
12. TEST SAMPLING Samples for production testing shall realistically reflect the properties in the
actual components.
13. SURFACE White pickled or bright annealed.
FINISH
14. REPAIR OF Weld repair is not acceptable.
DEFECTS
15. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
16. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
The material certificate shall be accordance with EN 10204 Type 3.1.
MATERIAL DATA SHEET MDS D52
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 25Cr duplex

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Welded pipes ASTM A 928 UNS S32550 Class 1, 3 and 5 S3

UNS S32750
UNS S32760
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard. This MDS is based on
the mechanical properties of A 240 UNS S32760.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
4. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards manufacturing procedure.
5. HEAT The pipes shall be solution annealed followed by water quenching.
TREATMENT Pipes shall be placed in such a way as to ensure free circulation around
each pipe during the heat treatment process including quenching.
6. MANUFACTURING Welding shall be carried out by qualified welders according to qualified
procedures approved by a 3rd party organization.
7. CHEMICAL C ≤ 0,03 %
COMPOSITION PREN = % Cr + 3,3 % Mo + 16 % N ≥ 40,0
8. TENSILE TESTING Rp0.2 ≥ 550 MPa; Rm ≥ 750 MPa; A ≥ 25 %
9. MICROGRAPHIC General
EXAMINATION The test specimen shall include base material and weld zone and shall be
taken transverse to weld in mid-thickness location. The specimen shall be
polished and etched in 20 % NaOH electrolyte or another etchant qualified.
Intermetallic phases and nitride precipitates
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 400 to 500 X magnification. Any
presence of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-
notch test results.
Ferrite content
The ferrite content shall be determined by point counting according to ASTM
E 562 or by image analysis according to ASTM E 1245. The relative accuracy
shall be less than 20 %.
The ferrite content shall be within 35 - 55 % for base material and 35 - 65 %
for weld metal.
10. IMPACT Charpy V-notch testing according to ASTM A 370 at - 46 ºC is required for
TESTING thickness ≥ 6 mm. The minimum absorbed energy shall be 45 J average /
35 J single. Two sets, each 3 specimens, shall be carried out with notch
located in base material and weld metal, respectively. Reduction factors for
sub-size specimens shall be: 7,5 mm - 5/6 and 5 mm - 2/3.
MATERIAL DATA SHEET MDS D52
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 25Cr duplex

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Welded pipes ASTM A 928 UNS S32550 Class 1, 3 and 5 S3

UNS S32750
UNS S32760
Page 2 of 2
11. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test temperature
TEST shall be 50 ºC and the exposure time 24 hours. The test shall expose the
external and internal surfaces and a cross section surface including weld zone
in full wall thickness. Cut edges shall be prepared according to ASTM G 48.
The complete specimen shall be pickled before being weighed and tested.
Pickling may be performed for 5 minutes at 60 ºC in a solution of 20 % HNO3 +
5 % HF.
The acceptance criteria are:
- No pitting at 20 X magnification
- The weight loss shall be less than 4,0 g/m2
12. TEST Samples for production testing shall realistically reflect the properties in the
SAMPLING actual components.
12. EXTENT OF Tensile, impact, hardness, corrosion and microstructure examination shall be
TESTING carried out for each lot. The lot is defined as follows:
- For batch furnace a lot is defined as maximum 60 m of pipe of the same
heat, size and heat treatment charge.
- For continuous heat treatment furnace the lot definition in the ASTM
standard applies.
13. WELDING The WPS shall be qualified in accordance with ASME IX or ISO 15614-1 and
shall include the same examinations as for the production testing. The
qualification shall be carried out on the same material grade (UNS number) as
used in production. Change of specific make (brand name) of welding
consumables requires requalification.
14. NON- Supplementary requirement S3, penetrant testing, according to ASME V Article 6
DESTRUCTIVE shall apply to the weld of 10 % of the pipes (same test lot as defined for
TESTING mechanical testing) delivered. The weld of each examined pipe shall be ground
flush in a length of 100 mm prior to penetrant testing. The testing shall be carried
out after calibration and pickling. Acceptance criteria shall be to ASME VIII, Div. 1,
Appendix 8.
NDT operators shall be certified in accordance with ISO 9712 or equivalent.
15. SURFACE White pickled.
FINISH
16. REPAIR OF Weld repair of base material is not acceptable. For repair of welds the same
DEFECTS requirements to use of qualified WPS shall apply as for production welding.
17. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
18. The material manufacturer shall have a quality system certified in accordance
CERTIFICATION with ISO 9001 and the system shall have undergone a specific assessment for
the relevant materials. The material certificate
shall be in accordance with EN 10204 Type 3.1.
MATERIAL DATA SHEET MDS D53
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Wrought fittings ASTM A 815 UNS S32550 WP-S, WP-WX S7
UNS S32750 and
UNS S32760 WP-W
HIP products ASTM A 988 UNS S32505
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard. This MDS is based on
the mechanical properties of UNS S32760.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
4. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards manufacturing procedure.
The Hot Isostatic Pressed (HIP) process is an acceptable alternative
manufacturing process.
5. HEAT Solution annealing followed by water quenching.
TREATMENT Fittings shall be placed in such a way as to ensure free circulation of heating
and cooling media around each fitting during the heat treatment process
including quenching.
6. CHEMICAL C ≤ 0,03 %
COMPOSITION PREN = (% Cr + 3,3 % Mo + 16 % N) ≥ 40,0
7. TENSILE TESTING Base material properties: Rp0.2 ≥ 550 MPa; Rm ≥ 750 MPa; A ≥ 25 %
8. MICROGRAPHIC General
EXAMINATION The test specimen shall be taken in mid-thickness location and shall include
base material and weld zone if relevant. The specimen shall be polished and
etched in 20 % NaOH electrolyte or another etchant qualified.
Intermetallic phases and nitride precipitates
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 400 to 500 X magnification. Any
presence of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-
notch test results.
Ferrite content
The ferrite content shall be determined by point counting according to ASTM
E 562 or by image analysis according to ASTM E 1245. The relative accuracy
shall be less than 20 %. The ferrite content shall be within 35 - 55 % for base
material and 35 - 65 % for weld metal.
10. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test
TEST temperature shall be 50 ºC and the exposure time 24 hours. The test shall
expose the external and internal surfaces and a cross section including weld
zone (if relevant) in full wall thickness.
MATERIAL DATA SHEET MDS D53
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Wrought fittings ASTM A 815 UNS S32550 WP-S, WP-WX S7
UNS S32750 and
UNS S32760 WP-W
HIP products ASTM A 988 UNS S32505
Page 2 of 2
Cut edges shall be prepared according to ASTM G 48. The complete
specimen shall be pickled before being weighed and tested. Pickling may be
performed for 5 minutes at 60 ºC in a solution of 20 % HNO3 + 5 % HF.
The acceptance criteria are:
- No pitting at 20 X magnification.
- The weight loss shall be less than 4,0 g/m2.
11. EXTENT Tensile testing, impact testing, hardness testing, corrosion testing and
OF TESTING microstructure examination shall be carried out for each heat and heat
treatment load within a wall thickness range of 5 mm and welded with the
same WPS.
12. TEST SAMPLING Samples for production testing shall realistically reflect the properties in the
actual components. Test sampling shall be made from an actual fitting or
from a prolongation thereof.
Sketches shall be established showing location for extraction of test
specimens. The sketch shall be given a document identification number.
13. WELDING The WPS shall be qualified in accordance with ASME IX or ISO 15614-1 and
shall include the same examinations as for the production testing. The
qualification shall be carried out on the same material grade (UNS number)
as used in production. Change of specific make (brand name) of welding
consumables requires requalification.
14. NON- Supplementary requirements S7, penetrant testing, shall apply to 10 % of
DESTRUCTIVE seamless (from the test lot as defined above) and 100 % of welded fittings
TESTING above NPS 2.
The examination shall be carried out after calibration and pickling. For welded
fittings the examination shall cover the weld only. The weld of each examined
fitting shall be ground flush in a length of 100 mm prior to penetrant testing.
The acceptance criteria shall be ASME VIII, Div. 1, Appendix 8.
NDT operators shall be certified in accordance with ISO 9712 or equivalent.
15. SURFACE White pickled.
FINISH
16. REPAIR OF Weld repair of base material is not acceptable. For repair of welds the same
DEFECTS requirements to use of qualified WPS shall apply as for production welding.
17. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
18. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
The material certificate shall be in accordance with EN 10204 Type 3.1.
MATERIAL DATA SHEET MDS D54
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Forgings ASTM A 182 F61 (UNS S32550) - S56
F53 (UNS S32750)
F55 (UNS S32760)
F57 (UNS S39277)
HIP Products ASTM A 988 UNS S32505

Page 1 of 4
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
This MDS is intended for components with maximum section thickness of
200 mm. For larger thickness special agreements shall be made in each
case.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
4. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards manufacturing procedure.
The component should be quenched in water after forging.
The Hot Isostatic Pressed (HIP) process is an acceptable alternative to
forging.
5. HEAT The components shall be solution annealing followed by water quenching.
TREATMENT Components shall be placed in such a way as to ensure free circulation
around each component during the heat treatment process including
quenching.
6. CHEMICAL C ≤ 0,03 %, PREN = (% Cr + 3,3 % Mo + 16 % N) ≥ 40,0.
COMPOSITION
7. TENSILE TESTING Rp0.2 ≥ 550 MPa; Rm ≥ 750 MPa; A ≥ 25 %.
8. MICROGRAPHIC General
EXAMINATION The test specimen shall be taken in same area as of tensile test specimen.
The specimen shall be polished and etched in 20 % NaOH electrolyte or
another etchant qualified.
Intermetallic phases and nitride precipitates
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 400 to 500 X magnification. Any
presence of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-
notch test results.
Ferrite content
The ferrite content shall be determined by point counting according to ASTM
E 562 or by image analysis according to ASTM E 1245. The relative accuracy
shall be less than 20 %.
For forgings the ferrite content shall be within 35 - 55 % and for HIP products
40-60%
MATERIAL DATA SHEET MDS D54
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Forgings ASTM A 182 F61 (UNS S32550) - S56
F53 (UNS S32750)
F55 (UNS S32760)
F57 (UNS S39277)
HIP Products ASTM A 988 UNS S32505

Page 2 of 4
9. IMPACT TESTING Charpy V-notch testing according to ASTM A 370 at - 46 ºC is required for the
thickness ≥ 6 mm (thickness at the weld neck). The minimum absorbed
energy shall be 45 J average and 35 J single. Reduction factors for subsize
specimens shall be: 7,5 mm - 5/6 and 5 mm - 2/3.
For flanges test specimens shall be taken in axial direction to the bore of the
flange, see fig. 1, position 1.
10. EXTENT OF One set of impact, tensile, hardness, corrosion testing and microstructure
TESTING examination shall be carried out for each heat and heat treatment load. The
testing shall be carried out on the component with heaviest wall thickness
within the load. A test lot shall not exceed 2000 kg for forgings with as forged
weight ≤ 50 kg, and 5000 kg for forgings with as forged weight > 50 kg.
11. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test
TEST temperature shall be 50 ºC and the exposure time 24 hours. The corrosion
test specimen shall be taken from the same location as the mechanical test
specimens. For forgings with wall thickness less than 100 mm the test
specimen shall expose a cross section from surface to mid-thickness. For
greater wall thickness the specimen shall expose a cross section from
surface to a depth of 50 mm. Cut edges shall be prepared according to
ASTM G 48. The whole specimen shall be pickled before being weighed and
tested. Pickling may be performed for 5 minutes at 60 ºC in a solution of
20 % HNO3 + 5 % HF.
The acceptance criteria are:
- No pitting at 20 X magnification;
- The weight loss shall be less than 4,0 g/m2.
12. TEST SAMPLING Samples for production testing shall realistically reflect the properties in the
actual components.
For products forged by the closed die method, the test specimen shall be
obtained from a sacrificial product A).
For products forged by the open die or by the ring rolling method, the test
specimen shall be obtained from a sacrificial forging or from an integral
prolongation. For flanges the thickness of the prolongation shall minimum be
equal to the hub thickness (TH) as shown in fig. 1.
MATERIAL DATA SHEET MDS D54
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Forgings ASTM A 182 F61 (UNS S32550) - S56
F53 (UNS S32750)
F55 (UNS S32760)
F57 (UNS S39277)
HIP Products ASTM A 988 UNS S32505

Page 3 of 4

When prolongations are used test specimens shall be taken in a distance

TB/2 or minimum 50 mm from the end.
Test location flanges: The basic test location is mid-thickness of hub (TH) in a
distance TB/2 or minimum 50 mm from weld end, see fig. 1, position 1.
If full size test specimens cannot be extracted from position 1 test specimens
shall be extracted from flange body position 2.
Test location other forgings: For forgings having maximum section
thickness, T ≤ 50 mm, the test specimen shall be taken at mid thickness
and its mid length shall be at least 50 mm from any second surface or at
equal distance from the second surfaces.
For forgings having maximum section thickness, T > 50 mm, the test
specimens shall be taken at least ¼ T from the nearest surface and mid-
length of test specimens at least T or 100 mm, whichever is less, from any
second surface.
For all forgings sketches shall be established showing type, and size of
test samples and location for extraction of test specimens. The sketch
shall be given a document identification number.
NOTE:
A) For closed die forged components and flanges exceeding 80 kg it is
recognized that alternative test may be used. Such alternative test sampling
shall be qualified and shall comprise comparative testing of sacrificial forgings
and the proposed alternative test sample.
MATERIAL DATA SHEET MDS D54
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Forgings ASTM A 182 F61 (UNS S32550) - S56
F53 (UNS S32750)
F55 (UNS S32760)
F57 (UNS S39277)
HIP Products ASTM A 988 UNS S32505

Page 4 of 4
13. NON- ASTM A 961 supplementary requirement of S56, penetrant testing, shall
DESTRUCTIVE apply to 10 % of forgings (from the lot as defined for mechanical testing)
TESTING above NPS 2. The testing shall be carried out after final machining and
pickling. Non-machined surfaces shall be pickled prior to the testing.
The acceptance criteria shall be ASME VIII, Div. 1, Appendix 8.
NDT operators shall be certified in accordance with ISO 9712 or equivalent.
14. SURFACE Finished products shall be white pickled, including machined surfaces.
FINISH
15. REPAIR Weld repair is not acceptable.
OF DEFECTS
16. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
17. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
The material certificate shall be issued in accordance with EN 10204,
Type 3.1.
MATERIAL DATA SHEET MDS D55
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Plates ASTM A 240 UNS - -
S32550
UNS
S32750
UNS S32760
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard. This MDS is based on
the mechanical properties of UNS S32760.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards manufacturing procedure.
4. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
5. HEAT Solution annealing followed by water quenching.
TREATMENT Plates shall be placed in such a way as to ensure free circulation of heating
and cooling media around each plate during the heat treatment process
including quenching
6. CHEMICAL C ≤ 0,03 %
COMPOSITION PREN = (%Cr + 3,3 % Mo + 16 % N) ≥ 40,0.
7. TENSILE TESTING Rp0.2 ≥ 550 MPa; Rm ≥ 750 MPa; A ≥ 25 %.
8. MICROGRAPHIC General:
EXAMINATION The test specimen shall cover areas near both surfaces and mid thickness of
the plate. The specimen shall be polished and etched in 20 % NaOH
electrolyte or another etchant qualified.
Intermetallic phases and precipitates:
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and at 400 to 500 X magnification. Any presence of
intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-
notch test results.
Ferrite content:
The ferrite content shall be determined by point counting according to ASTM
E 562 or by image analysis according to ASTM E 1245. The relative
accuracy shall be less than 20 %. The ferrite content shall be within 35 -
55 %.
9. IMPACT TESTING Charpy V-notch testing according to ASTM A 370 at - 46 ºC is required for
thickness ≥ 6 mm. The minimum absorbed energy shall be 45 J average /
35 J single. Reduction factors for sub- size specimens shall be: 7,5 mm -
5/6 and 5 mm - 2/3.
10. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test
TEST temperature shall be 50 ºC and the exposure time 24 hours. The test shall
expose both surfaces and a cross section in full wall thickness.
MATERIAL DATA SHEET MDS D55
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Plates ASTM A 240 UNS S32550 - -
UNS S32750
UNS S32760
Page 2 of 2
Cut edges shall be prepared according to ASTM G 48. The complete specimen
shall be pickled before being weighed and tested. Pickling may be performed
for 5 minutes at 60 ºC in a solution of 20 % HNO3 + 5 % HF.
The acceptance criteria are:
- No pitting at 20 X magnification.
- The weight loss shall be less than 4,0 g/m2.
11. EXTENT OF Impact test, tensile test, hardness test, corrosion test and micrographic
TESTING examination shall be carried out for each heat, nominal thickness and heat
treatment load. For heat treatment in continuous furnace a heat treatment load
is defined as all plates heat treated continuously in the same furnace, of the
same heat and nominal thickness. For coils a complete set of tests shall be
carried out at both ends of the coil.
12. TEST Samples for production testing shall realistically reflect the properties in the
SAMPLING actual components. Tensile test specimens shall be sampled in transverse
direction and shall be located in mid- thickness for thickness (t) ≤ 40mm and
in location t/4 for thicknesses (t) > 40 mm, ref. ASTM
E 8.
Impact specimens shall be taken from mid-thickness position in
transverse direction. For coils a complete set of tests shall be carried
out at both ends of the coil.
13. SURFACE White pickled.
FINISH
14. REPAIR OF Repair welding is not acceptable.
DEFECTS
15. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
16. The material manufacturer shall have a quality system certified in
CERTIFICATION accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
The material certificate shall be in accordance with EN 10204 Type 3.1.
MATERIAL DATA SHEET MDS D56
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM A 995 5A (UNS J93404) - S6, S20
6A (UNS J93380)
Page 1 of 4
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. MANUFACTURE The manufacturing of products according to this MDS shall be carried out
according to the relevant ASTM standards manufacturing procedure.
4. STEEL MAKING The steel melt shall be refined with AOD or equivalent process.
5. HEAT According to Grade 5A (UNS J93404) or 6A (UNS J93380).
TREATMENT Components shall be placed in such a way as to ensure free circulation around
each component during the heat treatment process including quenching.
6. CHEMICAL S < 0.025 %; P ≤ 0.030 %
COMPOSITION PREN = (% Cr + 3,3 % Mo + 16 % N) ≥ 40,0.
7. TENSILE Rp0.2 ≥ 450 MPa; Rm ≥ 700 MPa; A ≥ 18 %.
TESTING
8. MICROGRAPHIC General
EXAMINATION The test specimen shall be taken from the cross hatched area shown in Fig. 1
and 2. The specimen shall be polished and etched in 20 % NaOH electrolyte
or another etchant qualified.
Intermetallic phases and nitride precipitates
The microstructure shall be examined shall be free from detrimental
intermetallic phases and precipitations at 200 X magnification. Any presence
of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-notch
test results.
Ferrite content
The ferrite content shall be determined by point counting according to ASTM
E 562 or by image analysis according to ASTM E 1245. The relative accuracy
shall be less than 20 %.
The ferrite content shall be within 35 - 55 %.
9. IMPACT Charpy V-notch testing is required according to ASTM A 370 at - 46 ºC. The
TESTING minimum absorbed energy shall be 45 J average / 35 J single.
10. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test
TEST temperature shall be 50 ºC and the exposure time 24 hours. The corrosion
test specimen shall be taken from the same location as the mechanical test
specimens. Cut edges shall be prepared according to ASTM G 48. The
complete specimen shall be pickled before being weighed and tested.
Pickling may be performed for 5 minutes at 60 ºC in a solution of 20 % HNO3
+ 5 % HF.
MATERIAL DATA SHEET MDS D56
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM A 995 5A (UNS J93404) - S6, S20
6A (UNS J93380)
Page 2 of 4
11. EXTENT A full set of mechanical and corrosion tests and microstructure examinations
OF TESTING shall be made for each heat and heat treatment charge including any PWHT.
A test lot shall not exceed 5000 kg.
12. TEST Samples for mechanical testing shall realistically reflect the properties in the
SAMPLING actual components.
For castings with weight 250 kg or more the test block shall be integrally cast
or gated onto the castings and shall not be removed from the castings until
after the heat treatment.
During any reheat treatment the test block shall be tack welded onto the
casting.
Thickness of the test block shall be equal to the thickest part of the casting
represented. For flanged components the largest flange thickness is the ruling
section.
Dimensions of test blocks and location of test specimens within the test blocks
are shown in figures 1 and 2 for integral and gated test blocks, respectively.
The test specimens shall be taken within the cross hatched area and in a
distance of T/4 from the ends. When thickness T of test block is ≤ 50 mm the
longitudinal axis of test specimens shall be located in the centre of test blocks.

13. NON- NDT operators shall be certified in accordance with ISO 9712 or equivalent.
DESTRUCTIVE
Liquid penetrant testing:
TESTING
- All accessible surfaces (including internal surfaces) of all castings shall
be examined with Liquid Penetrant (PT). Surface examination of steel
castings shall be in accordance with ASME VIII, Div. 1, Appendix 7. The
testing shall be carried out after final machining. Non- machined surfaces
shall be pickled prior to the testing.
MATERIAL DATA SHEET MDS D56
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM A 995 5A (UNS J93404) - S6, S20
6A (UNS J93380)
Page 3 of 4
Radiographic testing (RT):
- Method of radiography and acceptance criteria shall be in accordance
with ASME VIII, Div. 1, Appendix 7.
- Extent of radiographic examination (RT) for valve castings shall be
according to table in section 5.2.1, Non-Destructive Examination of
Topsides Piping and Valve Material specification.
- Valve castings shall be examined in the areas as defined by ASME B16.34
for special class valves and critical areas as defined by designer. In
addition, castings shall be examined at abrupt changes in sections and at
the junctions of risers, gates or feeders to the castings. When random
examination (10%) is specified, minimum one casting of each pattern in
any purchase order with the foundry shall be examined. If defect outside
acceptance criteria is detected, two more castings shall be tested, and if
any of these two fails all items represented shall be tested.
- Other type of castings: Each casting shall be examined unless agreed
otherwise. Testing shall be at abrupt changes in sections and at the
junctions of risers, gates or feeders to the castings and other critical areas
as defined by designer. Sketches of the areas to be tested shall be
established and agreed.
14. SURFACE White pickled shall be carried out after any blasting and shall include finished
FINISH machined surfaces.
15. REPAIR OF All major repairs shall be documented according to ASTM A 703 SR S20.
DEFECTS Post weld heat treatment (PWHT) is required after all weld repairs. For minor
weld repairs, as defined by ASTM A 995, the PWHT may be excluded
provided the welding procedure qualification shows that all specified
properties, as specified in this MDS, can be fulfilled.
The repair welding procedure shall be qualified in accordance with ASTM A
488 or ISO 11970 and this MDS. The repair welding procedure qualification
shall include the following:
- A cast plate of the same grade (UNS number), which shall be welded.
- Change of specific make of filler metal (brand names) requires
requalification for SMAW and FCAW processes.
- Examination of microstructure of base material and weld zone. The ferrite
content shall be 35 - 55 % for the base material and 35 - 65 % for the
weld metal.
- Charpy V-notch testing as specified above, with two sets (each 3
specimens), with notch located in weld metal and fusion line, respectively.
- Corrosion test as specified above. The specimen shall include weld zone.
16. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
MATERIAL DATA SHEET MDS D56
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM A 995 5A (UNS J93404) - S6, S20
6A (UNS J93380)
Page 4 of 4
17. The material manufacturer shall have a quality system certified in
CERTIFICATION accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
The material certification shall be in accordance with EN 10204 Type 3.1.
MATERIAL DATA SHEET MDS D57
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Bars ASTM A 479 UNS S32550 - -
UNS S32750
UNS S32760
Page 1 of 3
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard. This MDS is based on
the mechanical properties of UNS S32760. This MDS is intended for bars
with maximum thickness of 200 mm. For larger thickness special
agreements shall be made in each case.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
4. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards Manufacturing Procedure.
Machining of components as valves, fittings and hollow sections from bar:
Products may be machined from bar under the following conditions:
- Purchasers’ acceptance shall be obtained in each case.
- The product shall be tested and certified according to this MDS.
- When bar with outside diameter 100 mm or greater is used, tensile and
impact specimens shall be taken in both longitudinal and transverse
direction. Acceptance criteria shall be the same in both directions. For
valve and fittings without welding ends 27J average in transverse
direction is acceptable.
- 100 % penetrant testing to ASTM A 961 SR S56 shall apply to all
finished products. The acceptance criteria shall be ASME VIII, Div. 1,
Appendix 8. NDT operators shall be certified in accordance with ISO
9712 or equivalent.
5. HEAT TREATMENT The bars shall be solution annealed followed by water quenching. The
solution annealing temperature shall be as defined in ASTM A 182 for
the actual grade/UNS number. Bars shall be placed in such a way as
to ensure free circulation of heating and cooling media around each
bar during the heat treatment process including quenching.
6. CHEMICAL C ≤ 0,03 %
COMPOSITION PREN = (% Cr + 3,3 % Mo + 16 % N)  40,0.
7. TENSILE TESTING Rp0.2  550 MPa; Rm  750 MPa; A  25 %.
8. IMPACT TESTING Charpy V-notch testing is required according to ASTM A 370 at - 46 ºC.
The minimum absorbed energy shall be 45 J average / 35 J single.
MATERIAL DATA SHEET MDS D57
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Bars ASTM A 479 UNS S32550 - -
UNS S32750
UNS S32760
Page 2 of 3
9. MICROGRAPHIC General
EXAMINATION The test specimen shall be taken in transverse direction to the main working
direction in same area as of tensile test specimen. The specimen shall be
polished and etched in 20 % NaOH electrolyte or another etchant qualified.
Intermetallic phases and precipitates
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 400 to 500 X magnification. Any
presence of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the acceptance
of product shall be based upon the corrosion and Charpy V-notch test results.
Ferrite content
The ferrite content shall be determined by point counting according to ASTM E
562 or by image analysis according to ASTM E 1245. The relative accuracy
shall be less than 20 %.
The ferrite content shall be within 35 - 55 %.
10. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test
TEST temperature shall be 50 ºC and the exposure time 24 hours. The corrosion test
specimen shall be taken from the same location as the mechanical test
specimens. For bars with diameter less than 100 mm the test specimen shall
expose a cross section from surface to mid-thickness. For greater wall
thickness the specimen shall expose a cross section from surface to a depth of
50 mm. Cut edges shall be prepared according to ASTM G 48. The complete
specimen shall be pickled before being weighed and tested. Pickling may be
performed for 5 minutes at 60 ºC in a solution of 20 % HNO3 + 5 % HF.
The acceptance criteria are:
- No pitting at 20 X magnification.
- The weight loss shall be less than 4,0 g/m2.
11. EXTENT OF One set of impact test, tensile test, hardness test, microstructure examination
TESTING and corrosion test shall be carried out for each heat and heat treatment load.
12. TEST Samples for production testing shall realistically reflect the properties in the
SAMPLING actual components. Test location shall be:
- For bars having section thickness, T ≤ 50 mm, the test specimens shall
be taken in longitudinal direction at mid thickness and its mid length shall
be at least 50 mm from any second surface.
- For bars having section thickness, T > 50 mm, the test specimen
shall be taken in longitudinal direction at least ¼ T from the nearest
surface and at least T or 100 mm, whichever is less, from any second
surface.
13. SURFACE Finished products including machined surfaces shall be white pickled.
FINISH
14. REPAIR OF Weld repair is not acceptable.
DEFECTS
MATERIAL DATA SHEET MDS D57
TYPE OF MATERIAL: Ferritic/Austenitic Stainless Steel, Type 25Cr duplex
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Bars ASTM A 479 UNS S32550 - -
UNS S32750
UNS S32760
Page 3 of 3
15. MARKING The bar and/or finished product shall be marked to ensure full traceability
to melt and heat treatment lot.
16. The material manufacturer shall have a quality system certified in
CERTIFICATION accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
The material certificate shall be in accordance with EN 10204 Type 3.1.
MATERIAL DATA SHEET MDS D59

TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 25Cr duplex

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Studs, bolts, nuts ASTM A UNS S32550 - -
1082 UNS S32750
UNS S32760
Page 1 of 3
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
The referred standards do not include the specified material grade
therefore all testing requirements are specified by this MDS. The
product specific requirements of the referred standards shall apply.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
4. CHEMICAL PREN = (% Cr + 3,3 % Mo + 16 % N) ≥ 40,0.
COMPOSITION

5. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards Manufacturing Procedure.
The studs and bolts shall be made from solution annealed bars
manufactured to ASTM A 276/479 and strain hardened to obtain the
specified minimum tensile test properties. The strain hardening shall be
performed in accordance with a calibrated straining procedure to ensure the
correct level of hardening.
Headed bolts shall be manufactured by machining from cold strain
bar. No forging or heat treatment of the cold strained bar is
permitted.
Nuts shall be from solution annealed and water quenched bar or forgings.
6. HEAT TREATMENT The bars shall be solution annealed followed by water quenching and cold
strain hardened.
7. EXTENT OF A test lot shall be limited to each melt of material, same heat treatment batch,
TESTING size of pre-material and same type of product and size.
Charpy V-notch impact, microstructure, corrosion and tensile testing shall
be carried out for each lot.
8. TENSILE TESTING Tensile testing of studs shall be carried out from strain hardened bar or
OF STUDS AND from finished product. Tensile testing of headed bolts shall be from finished
BOLTS product, reference is made to ASTM F 606. The minimum tensile test
properties shall comply with the following requirements:
Rp0.2 ≥ 725 MPa; Rm ≥ 860 MPa; A ≥ 16 %; RA ≥ 30 %.
 MATERIAL DATA SHEET MDS D59
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 25Cr duplex

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Studs, bolts, nuts ASTM A 1082 UNS S32550 - -
UNS S32750
UNS S32760
Page 2 of 3
9. MICROGRAPHIC General:
EXAMINATION
The examination shall be taken in transverse direction to the main
working direction at same location as tensile test specimen. The
specimen shall be polished and etched in 20 % NaOH electrolyte or
another qualified etchant.
Intermetallic phases and nitride precipitates:
The microstructure shall be examined and shall be free from detrimental
intermetallic phases and precipitations at 400 to 500 X magnification. Any
presence of intermetallic phases and/or precipitates shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-
notch test results.
Ferrite content:
The ferrite content shall be determined by point counting according to
ASTM E 562 or by image analysis according to ASTM E 1245. The
relative accuracy shall be less than 20 % measured in each specified
region. The ferrite content shall be reported for both near surface and
mid-thickness regions and shall be within 35 - 55 %.
10. IMPACT TESTING Charpy V-notch testing according to ASTM A 370 at - 46 ºC is required for
bolt size M12 (1/2") and above. For nuts the testing shall be made from the
bar prematerial. The minimum absorbed energy shall be 45 J average / 35
J single.
11. CORROSION Corrosion test shall be carried out on bar in finished strained condition or
TEST finished product according to ASTM G 48 Method A. Test temperature
shall be 50 °C and the exposure time 24 hours.
The test specimen shall expose a cross section from surface to mid-
thickness.
Cut edges shall be prepared according to ASTM G 48. The complete
specimen shall be pickled before weighing and testing. Pickling may be
performed for 5 minutes at 60 ºC in a solution of 20 % HNO3 + 5 % HF.
The acceptance criteria are:
- No pitting 20 X magnification.
- The weight loss shall be less than 4,0 g/m2.
MATERIAL DATA SHEET MDS D59
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 25Cr duplex

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Studs, bolts, nuts ASTM A UNS S32550 - -
1082 UNS S32750
UNS S32760
Page 3 of 3
12. PROOF LOAD At least one nut per test lot shall be proof load tested. The load shall comply
TESTING OF NUTS with A 194 Grade 7.
For nuts with size M36 (11/2 inch) or above proof load testing may be
replaced with cross section hardness testing to ASTM A 370. The hardness
shall meet the requirement specified in section 12 above.
13. DIMENSIONAL
TOLERANCE Product dimensions shall be checked or controlled to an extent as
specified by ASME B18.18 Category 2.

14. SURFACE FINISH All products shall be 100 % visually examined in all areas of threads,
shanks, and heads. Discontinuities shall comply with requirements
specified in ASTM F 788 for bolts/studs and ASTM F 812 for nuts.
15. REPAIR OF Weld repair is not acceptable.
DEFECTS

16. MARKING The component shall in addition to material grade and manufactures logo
be hard marked with a traceability code to ensure full traceability to melt
and heat treatment lot.
17. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
The material certificate shall be accordance with EN 10204 Type 3.1,
and shall include the following information:
- Steel producer of starting material.
- Steel melting practice and refining method.
- Heat treatment condition (Solution annealing temperature and holding time
shall be stated.)
 MATERIAL DATA SHEET MDS D60
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 25Cr duplex

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Studs, bolts, nuts ASTM A 1082 UNS S32550 - S5
UNS S32750
UNS S32750
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
The referred standards do not include the specified material grade
therefore all testing requirements are specified by this MDS. The
product specific requirements of the referred standards shall apply.
2. QUALIFICATION Manufacturers and the manufacturing process used for manufacturing of
product to this MDS shall be qualified in accordance with relevant ASTM
standards.
3. STEEL MAKING The steel melt shall be refined with AOD or equivalent.
4. CHEMICAL PREN = (% Cr + 3.3 % Mo + 16 % N) ≥ 40.0
COMPOSITION
5. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to relevant ASTM standards Manufacturing Procedure.
The studs, bolts and nuts shall be made from solution annealed heat-treated
bars manufactured to ASTM A 276/479.
Threads on studs and bolts shall be made by cold rolling. For machined
threads the thread dimensions shall comply with UNR profile. Threads
in nuts shall be machined.
6. PROOF LOAD At least one nut per test lot shall be proof load tested. The load shall
TESTING OF NUTS comply with A 194 Grade 7M.
For nuts with size M36 (11/2 inch) or above proof load testing may be replaced
with cross section hardness testing to ASTM A 370 (SR S6). The hardness
shall meet the requirement specified in section 8 below.
7. MICROGRAPHIC The test specimen shall be taken from same location as the tensile test
EXAMINATION specimen. The specimen shall be polished and etched in 20% NaOH
electrolyte or another qualified etchant.
Intermetallic phases and nitride precipitates:
The microstructure shall be examined and shall be found free from
detrimental intermetallic phases and nitride precipitations at 400 -500 X
magnification. Any presence of intermetallic phases and/or precipitates
shall be reported.
In case intermetallic phases and/or precipitations are detected the
acceptance of product shall be based upon the corrosion and Charpy V-
notch test results.
 MATERIAL DATA SHEET MDS D60
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 25Cr duplex

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Studs, bolts, nuts ASTM A 1082 UNS S32550 - S5
UNS S32750
UNS S32750
Page 2 of 3
Ferrite content:
The ferrite content shall be determined in the near surfaces and mid-
thickness region of the component by point counting according to ASTM E
562 or by image analysis according to ASTM E 1245. The examination shall
be made in transverse direction to the main working direction. The
magnification shall be minimum 400 X. The relative accuracy shall be
minimum 20 % measured in each specific region.
The ferrite content shall be reported for both near surface and mid-thickness
regions and shall be within 40-60 %.

8. IMPACT TESTING Charpy V-notch testing according to ASTM A 370 at - 50 ºC is required for bolt
size M12 (1/2") and above. For nuts the testing shall be made from the bar
prematerial. The minimum absorbed energy shall be 45 J average / 35 J
single.
9. CORROSION Corrosion test shall be carried out on bar according to ASTM G 48 Method
TEST A. Test temperature shall be 50 ºC and the exposure time 24 hours.
The test specimen shall expose a cross section from surface to mid-thickness.
Cut edges shall be prepared according to ASTM G 48. The complete
specimen shall be pickled before weighing and testing. Pickling may be
performed for 5 minutes at 60 ºC in a solution of 20 % HNO3 + 5 % HF.
The acceptance criteria are:
- No pitting 20 X magnification.
- The weight loss shall be less than 4.0 g/m2.
10. EXTENT OF A test lot shall be limited to each cast of material, same heat treatment batch,
TESTING size of pre-material and same type of product and size.
Charpy V-notch impact, microstructure, corrosion and tensile testing shall be
carried out for each lot.
11. DIMENSIONAL Product dimensions shall be checked or controlled to an extent as specified
TOLERANCE by ASME B18.18 Category 2.
12. SURFACE All products shall be 100 % visually examined in all areas of threads, shanks,
FINISH and heads. Discontinuities shall comply with requirements specified in ASTM
F 788 for bolts/studs and ASTM F 812 for nuts.
 MATERIAL DATA SHEET MDS D60
TYPE OF MATERIAL: Ferritic / Austenitic Stainless Steel, Type 25Cr duplex

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Studs, bolts, nuts ASTM A 1082 UNS S32550 - S5
UNS S32750
UNS S32750
Page 3 of 3
13. REPAIR OF Weld repair is not acceptable.
DEFECTS
14. MARKING The component shall in addition to material grade and manufactures logo be
hard marked with a traceability code to ensure full traceability to melt and heat
treatment lot.
15. The material manufacturer shall have a quality system certified in accordance
CERTIFICATION with ISO 9001 and the system shall have undergone a specific assessment for
the relevant materials.
The material certificate shall be accordance with EN 10204 Type 3.1, and
shall include the following information:
- Steel producer;
- Steel melting practice and refining method.
- Heat treatment condition (Solution annealing temperature and holding time
shall be stated.)
MATERIAL DATA SHEET MDS K01
TYPE OF MATERIAL: Copper/ Nickel 90/10
PRODUCT STANDARD GRADE ACCEPT. SUPPL. REQ.
CLASS
Seamless pipes & EEMUA 234 7060X - -
tubes
Page 1 of 1

1. SCOPE This MDS defines applicable options and/ or requirements that supplement
or amend the referenced ASTM standard specification.
2. Cold forming or hot forming may be used according to written procedures
MANUFACTURING established in cooperation with the material manufacturers.

3. HEAT Hot formed pipe and tube: Parts hot formed in the temperature range of
TREATMENT 760 °C (1400 °F) to 800 °C (1472 °F) do not need annealing after forming.
4. TEST Test samples shall be cut from the parts themselves, from prolongations
SAMPLING or from sacrificial pipe and tube.
5. TENSILE Tensile test specimens shall be taken from each lot where a lot is defined
TESTING as all parts of the same type and nominal size, which are produced from
the same heat of material and subject to the same finishing operation.
6. REPAIR OF Weld repair is not permitted.
DEFECTS
7. CERTIFICATION The material manufacturer shall have an appropriate quality-assurance
system, such as ISO 9001, certified by a competent body established within
the EEA and having undergone a specific assessment for materials.
The material certificate shall be in accordance with EN 10204 Type 3.1 and
confirm compliance with this specification.
MATERIAL DATA SHEET MDS K02
TYPE OF MATERIAL: ALUMINIUM - BRONZE
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM B 148 UNS C95800 - -
Page 1 of 2
1. SCOPE This MDS defines applicable options and/ or requirements that supplement or
amend the referenced standard specification.
2. HEAT Heat treatment may be carried out at the discretion of the manufacturer.
TREATMENT
3. EXTENT OF One tensile test shall be carried out for each lot as defined by ASTM B148.
TESTING
4. NON- The testing shall be carried out after machining, if applicable. Non-machined
DESTRUCTIVE surfaces shall be cleaned prior to the testing.
TESTING GENERAL
For definition and NDT of pilot castings reference is made to Section 5.12.3 in
the general part of this standard.
NDT operators shall be certified in accordance with ISO 9712 or equivalent and
shall be approved by a 3rd party organization recognized by an EEA member
state.
4.1 VISUAL TESTING VT shall be carried out on each casting in accordance with ANSI/ MSS SP-55.
The testing shall be performed after final machining.
4.2 LIQUID - Surface testing and acceptance criteria shall be in accordance with
PENETRANT ASME VIII, Div. 1, Appendix 7.
TESTING
- Each pilot and production casting shall be tested after final machining at
all accessible surfaces.
4.3 RADIOGRAPHIC - Method of radiography shall be to ASME V, Article 2 and acceptance
TESTING criteria shall be in accordance with ASME VIII Div. 1 Appendix 7.
- Valve castings shall be examined in the areas as defined by ASME
B16.34 for special class valves and other critical areas as defined by
designer. In addition, castings shall be examined at abrupt changes in
sections and at the junctions of risers, gates or feeders to the castings.
- Sketches of the areas to be tested shall be established and agreed with
the purchaser.
- When random testing (5 %) is specified, minimum one casting of each
pattern including feeder and riser system in any purchase order with the
foundry shall be examined.
- If defect outside acceptance criteria is detected, two more castings shall
be tested, and if any of
- these two fails all items represented shall be tested.
- Extent of RT of valve castings shall be according to table below.
Independent of the extent specified above the pilot cast of each pattern
shall be 100 % tested.
Extent of RT based on pressure class and nominal outside diameter:
Pressure Class: ≤ 300
Extent of RT Not required < 10”
5% ≥ 10”
MATERIAL DATA SHEET MDS K02
TYPE OF MATERIAL: ALUMINIUM - BRONZE
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM B 148 UNS C95800 - -
Page 2 of 2
4.4 RADIOGRAPHIC Test method and acceptance criteria shall be as specified for valve castings
TESTING above.
OTHER Each casting shall be examined unless agreed otherwise. Testing shall be at
TYPE OF abrupt changes in sections and at the junctions of risers, gates or feeders to the
CASTINGS
castings and other critical areas as defined by designer. Sketches of the areas
to be tested shall be established and agreed.
5. REPAIR OF Repairs that exceed those described in ASTM B148 section 10.1 shall be
DEFECTS
considered major repairs. All major repairs shall be documented with a sketch
showing location and size of excavations. Weld repairs are not permitted for
castings that leak during the final pressure testing.
Repairs by peening and impregnation are prohibited.
Weld repair shall be carried out by qualified welders according to qualified
procedures to ASME IX and approved by a 3rd party organization recognized
by an EEA member state.
A change of filler metal brand names requires requalification.
6. CERTIFICATION The material manufacturer shall have an appropriate quality-assurance system,
such as ISO 9001, certified by a competent body established within the EEA and
having undergone a specific assessment for materials.
The material certificate shall be in accordance with EN 10204 Type 3.1 and
confirm compliance with this specification and shall include the heat treatment
condition (annealing temperature).
MATERIAL DATA SHEET MDS N01
TYPE OF MATERIAL: Nickel alloy Type 625

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Wrought fittings ASTM B 366 UNS N06625 Grade 1 - S3

Pipes ASTM B 705 UNS N06625 Grade 1 Class 2 -
Forgings ASTM B 564 UNS N06625 - S5.3
Plates ASTM B 443 UNS N06625 Grade 1 - -
Bars ASTM B 446 UNS N06625 Grade 1 - -
Pipes and tubes ASTM B 444 UNS N06625 Grade 1 - -
HIP products ASTM B 834 UNS N06625 Grade 1 - -
Page 1 of 1
1. SCOPE This MDS specifies the selected options in the referred standard and additional
requirements which shall be added or supersede the corresponding
requirements in the referred standard.
2. HEAT Annealed.
TREATMENT
3. MACHINING OF Valves with nominal size NPS 4 and smaller may be machined from solid
VALVES FROM forgings in compliance with the terminology of ASTM A 788 on the following
FORGING conditions:
- Purchasers’ acceptance shall be obtained in each case.
- Supplementary requirement S5.3 shall apply to all finished products, ref.
Section 5 below.
4. Welded pipes to B 705: Pipes welded with the addition of filler metal is
MANUFACTURING acceptable. The WPS shall be qualified in accordance with ASME IX or ISO
15614-1. The qualification shall be carried out on the same material grade (UNS
number) as used in production.
5. TEST SAMPLING Samples for production testing shall realistically reflect the properties in the
actual component.
6. NON- Fittings to B 366: Supplementary requirement S3, liquid penetrant testing,
DESTRUCTIVE shall apply to the weld end area at 10 % of seamless (from the same lot as
TESTING defined for mechanical testing) and 100 % of welded fittings above NPS 2. For
welded fittings the testing shall cover the weld only.
Welded pipes to B705: All welds shall be 100 % radiographically examined to
give a joint factor of 1,0.
Forgings to B 564: Supplementary requirement S5.3, liquid penetrant testing,
shall be performed at 10 % of forgings above NPS 2 (of same lot as defined
for mechanical testing).
7. SURFACE White pickled. Shall be carried out after any blasting and shall include finished
FINISH machined surfaces.
8. REPAIR OF Weld repair of base material is not acceptable.
DEFECTS
9. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
10. The material manufacturer shall have a quality system certified in accordance
CERTIFICATION with ISO 9001 and the system shall have undergone a specific assessment
for the relevant materials.
The material certificate shall be issued in accordance with EN 10204 Type
3.1, and include the following information:
- Heat treatment condition. (Solution annealing and annealing temperature
shall be stated.)
MATERIAL DATA SHEET MDS N02
TYPE OF MATERIAL: Cast Nickel alloy

PRODUCT STANDARD GRADE ACCEPT. SUPPL. REQ.

CLASS
Castings ASTM A 494 Grade CW6MC
(UNS N26625)
Grade CX2MW
(UNS N26022)
Page 1 of 3
1. SCOPE This MDS specifies the selected options in the referred standard and additional
requirements which shall be added or supersede the corresponding
requirements in the referred standard.
2. Manufacturers of product to this MDS shall be qualified in accordance with
QUALIFICATION relevant ASTM standards.
3. The manufacturing of products according to this MDS shall be carried out
MANUFACTURE according to the relevant ASTM standards Manufacturing Procedure.
Components shall be placed in such a way as to ensure free circulation of
heating and cooling media around each component during the heat treatment
process including quenching
4. METAL The melt shall be refined with AOD or equivalent process. Remelting of
MAKING AOD or equivalent processed metal in an electric furnace is acceptable.
Use of internal scrap is not acceptable.
5. HARDNESS The hardness shall be maximum 35 HRC.
6. CORROSION Corrosion test according to ASTM G 48 Method A is required. Test temperature
TESTING shall be 50 C and the exposure time 24 hours. The corrosion test specimen
shall be at the same location as those for mechanical testing. Cut edges shall be
prepared according to ASTM G 48. The complete specimen shall be pickled
before being weighed and tested. Pickling may be performed for 5 minutes at 60
C in a solution of 20 % HNO3 + 5 % HF.
The acceptance criteria are:
- No pitting at 20 X magnification.
- The weight loss shall be less than 4,0 g/m2.
7. EXTENT OF Tensile test and corrosion test shall be made for each melt and heat
TESTING treatment load. A test lot shall not exceed 5000 kg.
8. TEST Samples for mechanical testing shall realistically reflect the properties in the
SAMPLING actual components.
For castings with weight 250 kg or more the test block shall be integrally cast
or gated onto the castings and shall not be removed from the castings until
after the final quality heat treatment.
Thickness of the test block shall be equal to the thickest part of the casting
represented. For flanged components the largest flange thickness is the
ruling section.
Dimensions of test blocks and location of test specimens within the test blocks
are shown in figures 1 and 2 for integral and gated test blocks respectively. The
test specimens shall be taken within the cross hatched area and in a distance of
T/4 from the ends.
During any PWHT the test block shall be tack welded onto the casting.
MATERIAL DATA SHEET MDS N02
TYPE OF MATERIAL: Cast Nickel alloy

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Castings ASTM A 494 Grade CW6MC

(UNS N26625)
Grade CX2MW
(UNS N26022)
Page 2 of 3

9. NON- NDT operators shall be qualified in accordance with ISO 9712 or equivalent.
DESTRUCTIVE Liquid penetrant testing:
TESTING - All accessible surfaces (including internal surfaces) of all castings shall be
examined with Liquid Penetrant (PT). Surface examination of steel
castings shall be in accordance with ASME VIII Div. 1 Appendix 7. The
testing shall be carried out after final machining. Non- machined surfaces
shall be pickled prior to the testing.
Radiographic testing (RT):
- Method of radiography and acceptance criteria shall be in accordance with
ASME VIII Div. 1 Appendix 7.
- Extent of radiographic examination (RT) for valve castings shall be
according to table in section 5.2.1, Non-Destructive Examination of
Topsides Piping and Valve Material specification. Independent of the
extent specified in table below one pilot cast of each pattern shall be
100 % volumetrically RT.
- Valve castings shall be examined in the areas as defined by ASME B16.34
for special class valves and other critical areas as defined by designer. In
addition castings shall be examined at abrupt changes in sections and at the
junctions of risers, gates or feeders to the castings. When random
examination (10%) is specified, minimum one casting of each pattern shall
be examined. If defect outside acceptance criteria is detected, two more
castings shall be tested, and if any of these two fails all items represented
shall be tested.
Other type of castings: Each casting shall be examined unless agreed
otherwise. Testing shall be at abrupt changes in sections and at the junctions of
risers, gates or feeders to the castings and other critical areas as defined by
designer. Sketches of the areas to be tested shall be established and agreed.
MATERIAL DATA SHEET MDS N02
TYPE OF MATERIAL: Cast Nickel alloy

PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Castings ASTM A 494 Grade CW6MC

(UNS N26625)
Grade CX2MW
(UNS N26022)
Page 3 of 3
10. SURFACE White pickled. Shall be carried out after any blasting and shall include finished
FINISH machined surfaces.
11. REPAIR OF All major repairs shall be documented according to ASTM A
DEFECTS 703 SR S20. Repair welding shall be carried out in
accordance with ASTM A 488.
The repair welding procedure shall be qualified in accordance with ASTM A
488 or ISO 11970 and this MDS.
- A cast plate of the same material grade (UNS number), which shall be used.
- A macro and corrosion test as specified above shall be carried out.
- Change of specific make of filler metal (brand name) requires requalification.
- All casting with major repairs shall be given a solution heat treatment after
welding.
12. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
13. The material manufacturer shall have a quality system certified in
CERTIFICATION accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
The material certificate shall be issued in accordance with EN 10204 Type
3.1 and include the following information:
- Heat treatment condition. (Solution annealing and annealing temperature
shall be stated.)
MATERIAL DATA SHEET MDS P11
TYPE OF MATERIAL: Hydrogenated Nitrile (HNBR)
O-ring -20 °C to 150 °C 1), 2), 3)
PRODUCT TEMPERATURE RANGE
Page 1 of 2
1. SCOPE This MDS specifies the technical requirements for the HNBR O-ring material.
2. PURCHASE The purchase order shall contain the following information: Product type, size,
INFORMATION grade designation and/or referenced drawing.
3. CHEMICAL 36 - 40 % acrylonitrile content (ACN)
COMPOSITION
4. QUALIFICATION The material shall be rapid pressure reduction resistant (ED resistant) and
TEST satisfy the following minimum requirements. The qualification shall be
REQUIREMENTS repeated if there are changes in the production route, manufacturing
procedures, specified composition or properties of the product which
exceeds the limits defined from qualification testing (each manufacturer
and seal type shall be qualified).
ED-test:
Qualification test requirements: O-ring cross section diameter 5,33 mm, 20 %
compression, text
fixture, 70 – 85 % groove fill, test medium 3 % CO2 in Methane, test
temperature 100 °C,
72 hours initial soak at full pressure, followed by 5 cycles of:
- 200 bar (24h)
- Depressurization: 20-40 bar/min.
- 1-hour rest time
- Re-pressurisation
- Leakage test
No leakage shall occur in a leakage test at room temperature and service
pressure following the 5 decompression cycles. Further, no cracks shall be
longer than 80 % of the sample thickness, based on dissection, after the
leakage test.
Mechanical properties:
- Hardness ASTM D 2240 90 ± 5 Shore A
- Tensile strength ASTM D 412/1414 min. 20 MPa
- Elongation at break ASTM D 412/1414 min. 100 %
- Compression set ASTM D 395 max. 25 % (after 24 hours at 150 °C)
- Documentation of tensile strength and elongation at break at 150 °C.
Physical properties:
- Specific gravity ASTM D 792 1,2 – 1,3 g/cm3

5. DIMENSIONS According to ISO 3601-1 and -3.

6. PRODUCTION The production testing shall be performed according to the requirements in

TEST ISO 10423, quality level PSL 3, and satisfy requirement for hardness as
REQUIREMENTS stated above and for the other parameters as stated in ISO 10423.
7. MARKING & Seals shall be supplied in sealed airtight bags. Markings on the bags shall
PACKAGING clearly indicate batch number, and such markings shall ensure traceability
through the producer’s QC system to raw materials, formulation and
manufacturing details.
8. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
Inspection certificate shall be to the requirements in ISO 10423, quality
level PSL 3.
MATERIAL DATA SHEET MDS P11
TYPE OF MATERIAL: Hydrogenated Nitrile (HNBR)
O-ring -20 °C to 150 °C 1), 2), 3)
PRODUCT TEMPERATURE RANGE
Page 2 of 2
NOTES 1) Short time exposure down to - 46 °C is acceptable.
2) Materials properties in actual application to be documented, at combined
dimensioning loads (mechanical, temperature, service).
3) Mechanical properties are reduced by increasing temperature and may be
degraded by service.
MATERIAL DATA SHEET MDS P12
TYPE OF MATERIAL: Fluorocarbon terpolymer (FKM)

PRODUCT O-ring TEMPERATURE RANGE - 10 ºC to 150 ºC 1) 2)

Page 1 of 2
1. SCOPE This MDS specifies the technical requirements for the FKM O-ring material.
2. PURCHASE The purchase order shall contain the following information: Product type, size,
INFORMATION grade designation and/or referenced drawing.
3. CHEMICAL Vinylidene fluoride (VF2), hexafluoropropylene (HFP), and
COMPOSITION tetrafluoroethylene (TFE) with necessary fillers, stabilisers, cross-link
agents.
4. QUALIFICATION The material shall be rapid pressure reduction resistant (ED resistant) and
TEST satisfy the following minimum requirements. The qualification shall be
REQUIREMENTS repeated if there are changes in the production route, manufacturing
procedures, specified composition or properties of the product which exceeds
the limits defined from qualification testing (each manufacturer and seal type
shall be qualified).
ED-test:
Qualification test requirements: O-ring cross section diameter 5,33 mm, 20 %
compression, text fixture, 70 – 85 % groove fill, test medium 3 % CO2 in
Methane, test temperature 100 ºC, 72 hours initial soak at full pressure,
followed by 5 cycles of:
- 200 bar (24h)
- Depressurisation: 20-40 bar/min.
- 1 hour rest time
- Re-pressurisation
- Leakage test
No leakage shall occur in a leakage test at room temperature and service
pressure following the 5 decompression cycles. Further, no cracks shall be
longer than 80 % of the sample thickness, based on dissection, after the
leakage test.
Mechanical properties:
- Hardness ASTM D 2240 90 ± 5 Shore A
- Tensile strength ASTM D 412/1414 min. 20 MPa
- Elongation at break ASTM D 412/1414 min. 100 %
- Compression set ASTM D 395 max. 25 % (after 24 hours at 150
ºC)
- Documentation of tensile strength and elongation at break at 150 ºC.
Physical properties:
- Specific gravity ASTM D 792 1,2 – 1,3 g/cm3
5. DIMENSIONS According to ISO 3601-1 and -3.

6. PRODUCTION The production testing shall be performed according to the requirements in

TEST ISO 10423, quality level PSL 3, and satisfy requirement for hardness as stated
REQUIREMENTS above and for the other parameters as stated in ISO 10423.
7. MARKING & Seals shall be supplied in sealed airtight bags. Markings on the bags shall
PACKAGING clearly indicate batch number, and such markings shall ensure traceability to
raw materials, formulation and manufacturing details.
MATERIAL DATA SHEET MDS P12
TYPE OF MATERIAL: Fluorocarbon terpolymer (FKM)

PRODUCT O-ring TEMPERATURE RANGE - 10 ºC to 150 ºC 1) 2)

Page 2 of 2
8. CERTIFICATION The material manufacturer shall have a quality system certified in accordance
with ISO 9001 and the system shall have undergone a specific assessment for
the relevant materials.
Inspection certificate shall be to the requirements in ISO 10423, quality level
PSL 3.
NOTES 1) Short time exposure down to - 46 ºC is acceptable
2) Materials properties in actual application to be documented, at combined
dimensioning loads (mechanical, temperature, service).
3) Mechanical properties are reduced by increasing temperature and may
be degraded by service.
MATERIAL DATA SHEET MDS P21
TYPE OF MATERIAL: PEEK (Poly-ether-ether-ketone)
PRODUCT Back-up rings and seat TEMPERATURE RANGE -100 ºC to
inserts 200 ºC
Page 1 of 1
1. SCOPE This MDS specifies the technical requirements for the PEEK material.
2. PURCHASE The purchase order shall contain the following information: Product type, size,
INFORMATION grade designation and/or referenced drawing.
3. CHEMICAL Poly-ether-ether-ketone polymer with necessary stabilisers and processing
COMPOSITION aids.
4. QUALIFICATION The material shall satisfy the following minimum requirements. The
TEST qualification shall be repeated if there are changes in the production
REQUIREMENTS route, manufacturing procedures, specified composition or properties of
the product which exceeds the limits defined from qualification testing:

5. DIMENSIONS According to manufacturer’s written specification.

6. PRODUCTION The production testing shall be performed according to the requirements in
TEST ISO 10423, quality level PSL3, and satisfy requirement for hardness as
REQUIREMENTS stated above and for the other parameters as stated in ISO 10423.
7. MARKING & Components shall be supplied in suitable packaging as to protect the
PACKAGING items from physical damage prior to installation. Markings on the
packaging shall clearly indicate material batch number, and such
markings shall ensure traceability to raw materials, formulation and
manufacturing details.
8. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
Inspection certificate shall be to the requirements in ISO 10423, quality level
PSL 3.
MATERIAL DATA SHEET MDS P22
TYPE OF MATERIAL: PTFE (Poly-tetra-fluoro-ethylene)
PRODUCT Lip-seals, back-up rings and TEMPERATURE RANGE -150 ºC to
seat inserts. 250 ºC
Page 1 of 1
1. SCOPE This MDS specifies the technical requirements for the PTFE material.
2. PURCHASE The purchase order shall contain the following information: Product type, size,
INFORMATION grade designation and/or referenced drawing.
3. CHEMICAL Carbon and fluorine, polymeric di-fluoromethane with necessary fillers,
COMPOSITION stabilisers and process aids. Also with graphite, glass or carbon fibre fillers.
The lip-seal must be energised internally by a metallic spring (UNS R30003) or
similar.
4. QUALIFICATION The material shall satisfy the following minimum requirements. The
TEST qualification shall be repeated if there are changes in the production route,
REQUIREMENTS manufacturing procedures, specified composition or properties of the product
which exceeds the limits defined from qualification testing:

5. DIMENSIONS According to manufacturer’s written specification.

6. PRODUCTION The production testing shall be performed according to the requirements in
TEST ISO 10423, quality level PSL 3, and satisfy requirement for hardness as stated
REQUIREMENTS above and for the other parameters
as stated in ISO 10423.
7. MARKING & Components shall be supplied in suitable packaging as to protect the items
PACKAGING from physical damage prior to installation. Markings on the packaging shall
clearly indicate material batch number, and such markings shall ensure
traceability to raw materials, formulation and manufacturing details.
8. CERTIFICATION The material manufacturer shall have a quality system certified in accordance
with ISO 9001 and the system shall have undergone a specific assessment
for the relevant materials.
Inspection certificate shall be to the requirements in ISO 10423, quality level
PSL 3.
MATERIAL DATA SHEET MDS S01
TYPE OF MATERIAL: Austenitic Stainless Steel, Type 316
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Wrought fittings ASTM A 403 WP316 W/S/WX -

Welded pipes ASTM A 358 316 Class 1, 3, 4 or 5 -
ASTM A 312 TP316 - -
Seaml. & welded pipe
ASTM A 182 F316 - -
Forgings ASTM A 240 316 - -
Plates ASTM A 269 316 - -
Tubes ASTM A 479 316 - -
Bars
Page 1 of 1
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. MANUFACTURING Fittings and forgings: During heat treatment components shall be placed in
PROCESS such a way as to ensure free circulation around each component during
the heat treatment process including possible quenching operation.
3. CHEMICAL All products: C ≤ 0,035 %
COMPOSITION Welded pipes and plates to A 240: S ≤ 0,015 %
4. TENSILE TESTING Grade 316L is acceptable with: Rp0.2 ≥ 205 MPa; RM ≥ 515 MPa; A > 35 %.

5. TEST SAMPLING Samples for production testing shall realistically reflect the properties in the
actual component.
Plates: Tensile test specimens shall be sampled in transverse direction and
shall be located in mid-thickness for thickness (t) ≤ 40 mm and in location t/4
for thicknesses (t) > 40 mm, ref. ASTM E 8.
Bars A 479: Test location shall be:
- For bars having section thickness, T ≤ 50 mm, the test specimens shall
be taken in longitudinal direction at mid thickness and its mid length
shall be at least 50 mm from any second surface.
- For bars having section thickness, T > 50 mm, the test specimen
shall be taken in longitudinal direction at least ¼ T from the nearest
surface and at least T or 100 mm, whichever is less, from any
second surface.
6. NON- Welded tubes to A 269: Non-destructive electric testing is required.
DESTRUCTIVE All products: NDT operators shall be qualified in accordance with ISO
TESTING 9712 or equivalent.
7. SURFACE FINISH All products: White pickled or bright annealed. Machined surfaces do not
require pickling.
Tubes to A 269: According to the standard.
8. REPAIR OF Weld repair of base material is not acceptable.
DEFECTS
9. MARKING The product shall be marked to ensure full traceability to melt and heat
treatment lot.
10. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a
specific assessment for the relevant materials.
The material certificate shall be issued in accordance with EN 10204 Type
3.1, and shall include the heat treatment condition.
MATERIAL DATA SHEET MDS S02
TYPE OF MATERIAL: Austenitic Stainless Steel Castings
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Castings ASTM A 351 CF8 - S6

-
M S6
CF3
M
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and additional
requirements which shall be added or supersede the corresponding
requirements in the referred standard.
2. EXTENT OF Tensile testing is required for each heat and heat treatment load including any
TESTING PWHT.
3. TEST SAMPLING Samples for mechanical testing shall realistically reflect the properties in the
actual components.
For castings with weight 250 kg and above the test blocks shall be
integrally cast with the casting. The test blocks shall be heat treated
together with the castings they represent.
During any PWHT the test block shall be tack welded onto the casting.
4. NON- NDT operators shall be qualified in accordance with ISO 9712 or equivalent.
DESTRUCTIVE Liquid penetrant testing:
TESTING - All accessible surfaces (including internal surfaces) of all castings shall
be examined with Liquid Penetrant (PT). Surface examination of steel
castings shall be in accordance with ASME VIII Div. 1 Appendix 7. The
testing shall be carried out after final machining. Non- machined surfaces
shall be pickled prior to the testing.
Radiographic testing (RT):
- Method of radiography and acceptance criteria shall be in accordance with
ASME VIII Div. 1 Appendix 7.
- Extent of radiographic examination (RT) for valve castings shall be according
to table in section 5.2.1, Non-Destructive Examination of Topsides Piping and
Valve Material specification.
- Valve castings shall be examined in the areas as defined by ASME B16.34
for special class valves and other critical areas as defined by valve designer.
In addition castings shall be examined at abrupt changes in sections and at
the junctions of risers, gates or feeders to the castings. When random
examination (10 %) is specified, minimum one casting of each pattern
including feeder and riser system in any purchase order with the foundry
shall be examined. If defect outside acceptance criteria is detected, two
more castings shall be tested, and if any of these two fails all items
represented shall be tested.
- Other type of castings: Each casting shall be examined unless agreed
otherwise. Testing shall be at abrupt changes in sections and at the
junctions of risers, gates or feeders to the castings and other critical areas
as defined by designer. Sketches of the areas to be tested shall be
established and agreed.
MATERIAL DATA SHEET MDS S02
TYPE OF MATERIAL: Austenitic Stainless Steel Castings
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Castings ASTM A 351 CF8 - S6

-
M S6
CF3
M
Page 2 of 2
5. REPAIR OF All major repairs shall be documented according to ASTM A 703 SR S20.
DEFECTS The repair welding procedure shall be qualified in accordance with A 488 or
ISO 11970 and this MDS.
6. SURFACE White pickled. Machined surfaces do not require pickling.
FINISH
7. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
The material certificate shall be issued in accordance with EN 10204 Type 3.1
and shall include the heat treatment condition.
MATERIAL DATA SHEET MDS S03
TYPE OF MATERIAL: Austenitic Stainless Steel, Type 316
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Studs, bolts, ASTM A 320 B8M 8M 2
screws Nuts ASTM A 194
Page 1 of 1
1. SCOPE The MDS specifies the selected options in the referred standards and
additional requirements which shall be added or supersede the corresponding
requirements in the referred standards.
NOTE: The class and size of fastener and the service design conditions for
use of fasteners in type 316 shall be defined by the designer.
2. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
- The material certificates shall be in accordance with EN 10204 Type 3.1.
MATERIAL DATA SHEET MDS T01
TYPE OF MATERIAL: Titanium Grade 2
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Seamless pipes ASTM B 861 2 - -
Welded pipes ASTM B 862 2 - -
ASTM B 363 WPT2/WPT2W - -
Wrought fittings
ASTM B 381 F2 - -
Forgings ASTM B 265 2 - -
Plates ASTM B 348 2 - -
Bars ASTM B 338 2 - -
Tubes
Page 1 of 1
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. CHEMICAL Alternatively: Chemical composition according to GOST VT 1-0 is acceptable.
COMPOSITION
3. HEAT Wrought fittings to B 363, Forgings to B 381, Plates to B 265 and Bars to B
TREATMENT 348:
- Annealed condition if not the tensile properties in the referred standard
can be achieved in as formed condition.
4. EXTENT OF Fittings to B 363: Tensile test shall be carried out for each heat, heat
TESTING treatment load, type and size.
Products to B 381/B 348: Tensile test specimen shall be taken from each lot. A
lot is defined as all products of the same heat and heat
treatment load with a maximum deviation from the test
block thickness of 10 mm.
5. TEST SAMPLING All products: Samples for production testing shall realistically reflect
the properties in the actual component.
6. WELDING Welded pipes to B 862: Welding procedures shall be qualified in accordance
with ASME IX or ISO 15614-5.
7. REPAIR Repair welding of forgings is not permitted.
8. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
The material certificate shall be issued in accordance with EN 10204 Type 3.1
and shall include the following information:
- Manufacturer of the starting material
MATERIAL DATA SHEET MDS T02
TYPE OF MATERIAL: Titanium Grade 2
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM B 367 C2 - S2
Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
2. QUALIFICATION Manufacturers of product to this MDS shall be qualified in accordance with
relevant ASTM standards.
3. MANUFACTURING The manufacturing of products according to this MDS shall be carried out
PROCESS according to the relevant ASTM standards manufacturing procedure.
4. HOT ISOSTATIC All castings shall be subject to Hot Isostatic Pressing (HIP).
PRESSING All castings, which due to size limitations cannot be HIP, shall be heat treated
and radiographed. Heat treatment is also required for all weld repairs carried
out after HIP.
5. α-CASE For castings manufactured to this MDS α-case in the casting surface
shall be completely removed at the foundry from following locations:
- All surfaces, which shall be machined.
- All weld bevels including an area of 20 mm on each side of the bevel.
- All highly stressed areas including areas prone to fatigue.
Otherwise the acceptance of α -case shall be agreed between the foundry
and the customer at order placement. Procedure for removal of α-case shall
be established.
NOTE: Alpha-case (TiO) is a very hard and brittle surface layer, which is
formed as a result of reaction between the molten titanium and some
type of mould binders, e.g. periclase. The thickness of the alpha-case is
dependent on the cooling rate during solidification. The heavier the
casting wall, the thicker the alpha-case layer. The alpha case makes
machining difficult, may cause cracking during welding and shallow micro
cracks may appear during liquid penetrant examination.
6. EXTENT OF Tensile testing is required for each heat and HIP batch or heat treatment
TESTING load.
7. TEST SAMPLING Samples for mechanical testing shall realistically reflect the properties in the
actual components. Samples for production testing shall be cut from the
gating system of the casting. For castings with weight 150 kg and above the
test blocks shall be integrally cast with the casting.
Size of the test block shall be 140 mm in length and 80 mm in height with
thickness (T):
- T = 22 mm for t ≤ 30 mm.
- T = 50 mm for 30 < t ≤ 60 mm
- T = 75 mm for t > 60 mm
NOTE: t = section (shell) thickness of castings. For flanged components the
largest flange thickness is the ruling thickness.
Test samples shall accompany the castings through HIP and any heat
treatment, chemical cleaning process or any other operation that may alter
metallurgical or mechanical properties.
MATERIAL DATA SHEET MDS T02
TYPE OF MATERIAL: Titanium Grade 2
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.
Castings ASTM B 367 C2 - S2
Page 2 of 2
8. NON- NDT operators shall be qualified in accordance with ISO 9712 or
DESTRUCTIVE equivalent.
TESTING
Liquid penetrant testing:
- All accessible surfaces (including internal surfaces) of all castings
shall be examined with Liquid Penetrant (PT). Surface examination of steel
castings shall be in accordance with ASME VIII, Div. 1, Appendix 7.
Radiographic testing (RT):
- Method of radiography and acceptance criteria shall be in
accordance with ASME VIII, Div. 1, Appendix 7.
- Extent of radiographic examination (RT) for valve castings shall be
according to table in section 5.2.1, Non-Destructive Examination of Topsides
Piping and Valve Material specification.
- Valve castings shall be examined in the areas as defined by ASME
B16.34 for special class valves and other critical areas as defined by valve
designer. In addition castings shall be examined at abrupt changes in
sections and at the junctions of risers, gates or feeders to the castings.
When random examination (10 %) is specified, minimum one casting of
each pattern including feeder and riser system in any purchase order with
the foundry shall be examined. If defect outside acceptance criteria is
detected, two more castings shall be tested, and if any of these two fails all
items represented shall be tested.
- Other type of castings: Each casting shall be examined unless
agreed otherwise. Testing shall be at abrupt changes in sections and at
the junctions of risers, gates or feeders to the castings and other critical
areas as defined by designer. Sketches of the areas to be tested shall be
established and agreed.
9. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
10. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
The material certificate shall be issued in accordance with EN 10204 Type
3.1.
MATERIAL DATA SHEET MDS X02
TYPE OF MATERIAL: High Strength Low Alloyed Steel Type AISI 4140
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Forgings ASTM A 788 AISI 4140 - S18

Page 1 of 2
1. SCOPE This MDS specifies the selected options in the referred standard and additional
requirements which shall be added or supersede the corresponding
requirements in the referred standard.
NOTE: Not suitable for sour service applications with the specified tensile
properties.
2. The forgings shall be finished hot-worked.
MANUFACTURING
3. HEAT The forgings shall be austenitised, liquid quenched and tempered.
TREATMENT Components shall be placed in such a way as to ensure free circulation around
each
component during the heat treatment process including quenching.
4. CHEMICAL According to ASTM A 29, AISI 4140
COMPOSITION
5. EXTENT OF One set of tensile and impact test shall be carried out for each melt, section
TESTING thickness +/- 25 % and heat treatment load.
6. TEST SAMPLING Samples for production testing shall realistically reflect the properties in the
actual components.
For products forged by the closed die method, the test specimen shall be
obtained from a sacrificial product.

For products forged by the open die or by the ring rolling method, the test
specimen shall be obtained from a sacrificial forging or from an integral
prolongation. For flanges the thickness of the prolongation shall minimum be
equal to the hub thickness (TH) as shown in fig. 1.
Integrated test blocks shall be used for components manufactured by HIP.
Test location flanges: The basic test location is mid-thickness of hub (TH) in a
distance TB/2 or minimum 50 mm from weld end, see fig. 1, position 1.
If test specimens cannot be extracted from position 1 test specimens shall be
extracted from flange body position 2.
When prolongations are used test specimens shall be taken in a distance TB/2
or minimum 50 mm from the second heat treated surface.
Test location other forgings and HIP products: For forgings having maximum
section thickness≤ 50 mm, the test specimen shall be taken at mid thickness
and its mid length shall be at least 50 mm from any second surface or at equal
distance from the second surfaces.
MATERIAL DATA SHEET MDS X02
TYPE OF MATERIAL: High Strength Low Alloyed Steel Type AISI 4140
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Forgings ASTM A 788 AISI 4140 -

S18
Page 2 of 2
6. TEST SAMPLING For forgings having maximum section thickness, T > 50 mm, the test
specimens shall be taken at least ¼ T from the nearest surface and mid-
length of test specimens at least T or 100 mm, whichever is less, from any
second surface.
For all forgings sketches shall be established showing type, and size of test
samples and location for extraction of test specimens. The sketch shall be
given a document identification number.
NOTE: For closed die forged components and flanges exceeding 80 kg it is
recognized that alternative test may be used. Such alternative test sampling
shall be qualified and shall comprise comparative testing of sacrificial
forgings and the proposed alternative test sample.
7. TENSILE TESTING Minimum yield strength: Reh ≥ 515 MPa
Minimum tensile strength: RM ≥ 690 MPa
Minimum elongation: A ≥ 15 %
8. IMPACT TESTING Charpy V-notch testing is required according to ASTM A 370 at - 46 °C. The
notch shall be perpendicular to the surface. The minimum absorbed energy for
full size specimens shall be 42 J average and 30 J single.
For flanges test specimens shall be taken in axial direction to the bore of
the flange, see fig. 1, position 1.
9. HARDNESS Except when only one forging is produced, a minimum of two forgings shall be
TESTING hardness tested per batch or continuous run to ensure that forgings are within
the hardness limits 328 HB or 35 HRC.
10. NON- Supplementary Requirement, S18, magnetic particle testing, shall apply to all
DESTRUCTIVE forgings. The acceptance criteria shall be to ASME VIII, Div. 1, Appendix 6.
TESTING
11. REPAIR OF Weld repair is not acceptable.
DEFECTS
12. MARKING The component shall be marked to ensure full traceability to melt and heat
treatment lot.
13.CERTIFICATION The material manufacturer shall have a quality system certified in accordance
with ISO 9001 and the system shall have undergone a specific assessment for
the relevant materials.
The material certificate shall be issued in accordance with EN 10204 Type
3.1, and shall include the following information:
- Steel manufacturer of starting material.
- Heat treatment condition (For QT condition, austenitisation and tempering
temperature and quenching medium shall be stated.)
- Copy of test sampling sketch
MATERIAL DATA SHEET MDS X07
TYPE OF MATERIAL: Low alloyed steel
PRODUCT STANDARD GRADE ACCEPT. CLASS SUPPL. REQ.

Studs and ASTM A 320 L7, L7M 4,

bolts Nuts ASTM A 194 7 or 7M S3, S4, S5
Page 1 of 1
1. SCOPE This MDS specifies the selected options in the referred standard and
additional requirements which shall be added or supersede the
corresponding requirements in the referred standard.
NOTE: This MDS is derived from NORSOK EDS NB01.
2. IMPACT Nuts to A 194: Supplementary requirement S3 low temperature requirements
TESTING shall apply.
3. PROOF LOAD Nuts to A 194: Supplementary requirement S4 Proof load testing shall apply.
TESTING
4. DIMENSIONS Studs:
The stud length shall be according to ASME B16.5 or NORSOK L-005.
Prior to hot dip galvanizing threading shall be in accordance with ASME
B1.1, class 2A fit for diameters 1 inch and smaller (UNC series) and 8 pitch
thread series for 1 1/8 inch and larger.
Nuts:
Nut threads shall be oversized to fit studs/bolts dependent of specified
coating. Nuts shall be ASME heavy HEX-series, double chamfered.
Dimensions shall conform to ASME B18.2.2.
5. SURFACE All studs, bolts, nuts and washers shall be hot dipped galvanized according
PROTECTION to ASTM A 153 or ISO 10684.
The zinc coating on threads shall not be subjected to cutting, rolling or
finishing tool operation. Nuts may be tapped after galvanizing.
6. CERTIFICATION The material manufacturer shall have a quality system certified in
accordance with ISO 9001 and the system shall have undergone a specific
assessment for the relevant materials.
Supplementary requirement S5 shall apply for nuts to A 194.
The material certificate shall be issued in accordance with EN 10204
Type 3.1, and shall include:
 Steel manufacturer of starting material.
 Heat treatment condition.