Designation: A1016/A1016M − 14
Standard Specification for
General Requirements for Ferritic Alloy Steel, Austenitic
Alloy Steel, and Stainless Steel Tubes1
This standard is issued under the fixed designation A1016/A1016M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* SI units are shown in brackets. The values stated in each
1.1 This specification covers a group of requirements that, system may not be exact equivalents; therefore, each system
unless otherwise specified in an individual specification, shall shall be used independently of the other. Combining values
apply to the ASTM product specifications noted below. from the two systems may result in non-conformance with the
Title of Specification ASTM
standard. The inch-pound units shall apply unless the “M”
DesignationA designation (SI) of the product specification is specified in the
order.
Seamless Carbon-Molybdenum Alloy-Steel Boiler and A209/A209M
Superheater Tubes
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, A213/A213M 2. Referenced Documents
and Heat-Exchanger Tubes
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, A249/A249M 2.1 ASTM Standards:2
and Condenser Tubes
Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and A250/A250M A209/A209M Specification for Seamless Carbon-
Superheater Tubes Molybdenum Alloy-Steel Boiler and Superheater Tubes
Seamless and Welded Ferritic and Martensitic Stainless Steel A268/A268M
Tubing for General Service A213/A213M Specification for Seamless Ferritic and Aus-
Seamless and Welded Austenitic Stainless Steel Tubing for A269 tenitic Alloy-Steel Boiler, Superheater, and Heat-
General Service
Seamless and Welded Austenitic Stainless Steel Sanitary Tubing A270
Exchanger Tubes
Seamless and Welded Carbon and Alloy-Steel Tubes for A334/A334M A249/A249M Specification for Welded Austenitic Steel
Low-Temperature Service Boiler, Superheater, Heat-Exchanger, and Condenser
Welded Austenitic Stainless Steel Feedwater Heater Tubes A668/A668M
Austenitic Stainless Steel Tubing for Breeder Reactor Core A771/A771M Tubes
Components A250/A250M Specification for Electric-Resistance-Welded
Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing A789/A789M
for General Service
Ferritic Alloy-Steel Boiler and Superheater Tubes
Welded Ferritic Stainless Steel Feedwater Heater Tubes A803/A803M A268/A268M Specification for Seamless and Welded Fer-
Austenitic and Ferritic Stainless Steel Duct Tubes for Breeder A826/A826M ritic and Martensitic Stainless Steel Tubing for General
Reactor Core Components
High-Frequency Induction Welded, Unannealed Austenitic Steel A851 Service
Condenser Tubes A269 Specification for Seamless and Welded Austenitic
A
Stainless Steel Tubing for General Service
These designations refer to the latest issue of the respective specifications.
A270 Specification for Seamless and Welded Austenitic and
1.2 In the case of conflict between a requirement of a Ferritic/Austenitic Stainless Steel Sanitary Tubing
product specification and a requirement of this general require- A334/A334M Specification for Seamless and Welded Car-
ments specification, the product specification shall prevail. In bon and Alloy-Steel Tubes for Low-Temperature Service
the case of conflict between a requirement of the product A370 Test Methods and Definitions for Mechanical Testing
specification or a requirement of this general requirements of Steel Products
specification and a more stringent requirement of the purchase
A530/A530M Specification for General Requirements for
order, the purchase order shall prevail.
Specialized Carbon and Alloy Steel Pipe
1.3 The values stated in either SI units or inch-pound units A668/A668M Specification for Steel Forgings, Carbon and
are to be regarded separately as standard. Within the text, the Alloy, for General Industrial Use
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
2
A01.10 on Stainless and Alloy Steel Tubular Products. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved March 1, 2014. Published March 2014. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 2001. Last previous edition approved in 2013 as A1016/A1016M–13. Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/A1016_A1016M-14. the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
Copyright by ASTM Int'l (all rights reserved); 1
A1016/A1016M − 14
A700 Practices for Packaging, Marking, and Loading Meth- 2.5 Steel Structures Painting Council:
ods for Steel Products for Shipment (Withdrawn 2014)3 SSPC-SP6 Surface Preparation Specification No. 6 Com-
A751 Test Methods, Practices, and Terminology for Chemi- mercial Blast Cleaning6
cal Analysis of Steel Products 2.6 Other Documents:
A771/A771M Specification for Seamless Austenitic and SNT-TC-1A Recommended Practice for Nondestructive
Martensitic Stainless Steel Tubing for Liquid Metal- Personnel Qualification and Certification7
Cooled Reactor Core Components (Withdrawn 2004)3 AIAG Bar Code Symbology Standard8
A789/A789M Specification for Seamless and Welded
Ferritic/Austenitic Stainless Steel Tubing for General 3. Terminology
Service
A803/A803M Specification for Seamless and Welded Fer- 3.1 Definitions:
ritic Stainless Steel Feedwater Heater Tubes 3.1.1 The definitions in Test Methods and Definitions A370
A826/A826M Specification for Seamless Austenitic and or Test Methods A1058, Test Methods, Practices, and Termi-
Martensitic Stainless Steel Duct Tubes for Liquid Metal- nology A751, and Terminology A941 are applicable to this
Cooled Reactor Core Components (Withdrawn 2004)3 specification and to those listed in 1.1.
A851 Specification for High-Frequency Induction Welded, 3.1.2 heat, n—in secondary melting, all of the ingots re-
Unannealed, Austenitic Steel Condenser Tubes (With- melted from a single primary heat.
drawn 2002)3 3.1.3 imperfection, n—any discontinuity or irregularity
A941 Terminology Relating to Steel, Stainless Steel, Related found in a tube.
Alloys, and Ferroalloys
A1047/A1047M Test Method for Pneumatic Leak Testing of 4. Manufacture
Tubing 4.1 The steel shall made by any process.
A1058 Test Methods for Mechanical Testing of Steel
Products—Metric 4.2 The primary melting is permitted to incorporate separate
D3951 Practice for Commercial Packaging degassing or refining and is permitted to be followed by
E92 Test Method for Vickers Hardness of Metallic Materials secondary melting, such as electroslag remelting or vacuum-
(Withdrawn 2010)3 arc remelting.
E213 Practice for Ultrasonic Testing of Metal Pipe and 4.3 When steel of different grades is sequentially strand
Tubing cast, the resultant transition material shall be removed using an
E273 Practice for Ultrasonic Testing of the Weld Zone of established procedure that positively separates the grades.
Welded Pipe and Tubing
E309 Practice for Eddy-Current Examination of Steel Tubu- 5. Ordering Information
lar Products Using Magnetic Saturation
5.1 It is the responsibility of the purchaser to specify all
E426 Practice for Electromagnetic (Eddy-Current) Examina-
requirements that are necessary for product ordered under the
tion of Seamless and Welded Tubular Products, Titanium,
product specification. Such requirements to be considered
Austenitic Stainless Steel and Similar Alloys
include, but are not limited to, the following:
E570 Practice for Flux Leakage Examination of Ferromag-
5.1.1 Quantity (feet, metres, or number of pieces),
netic Steel Tubular Products
5.1.2 Name of material (stainless steel tubing),
2.2 ASME Boiler and Pressure Vessel Code: 5.1.3 Method of manufacture, when applicable (seamless
Section IX,4 (SML), welded (WLD), or heavily cold-worked (HCW)),
2.3 Federal Standard: 5.1.4 Grade or UNS number,
FED-STD-183 Continuous Identification Marking of Iron 5.1.5 Size (outside diameter and average or minimum wall
and Steel Products5 thickness),
2.4 Military Standards: 5.1.6 Length (specific or random),
MIL-STD-271 Nondestructive Testing Requirements for 5.1.7 End finish if required,
Metals5 5.1.8 Optional requirements,
MIL-STD-163 Steel Mill Products Preparation for Ship- 5.1.9 Specific type of melting, if required,
ment and Storage5 5.1.10 Test report requirements,
MIL-STD-792 Identification Marking Requirements for 5.1.11 Specification designation and year of issue, and
Special Purpose Equipment5 5.1.12 Special requirements or any supplementary
requirements, or both.
3
The last approved version of this historical standard is referenced on
6
www.astm.org. Available from Society for Protective Coatings (SSPC), 40 24th St., 6th Floor,
4
Available from American Society of Mechanical Engineers (ASME), ASME Pittsburgh, PA 15222-4656, http://www.sspc.org.
7
International Headquarters, Two Park Ave., New York, NY 10016-5990, http:// Available from American Society for Nondestructive Testing (ASNT), P.O. Box
www.asme.org. 28518, 1711 Arlingate Ln., Columbus, OH 43228-0518, http://www.asnt.org.
5 8
Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Available from Automotive Industry Action Group (AIAG), 26200 Lahser Rd.,
Robbins Ave., Philadelphia, PA 19111-5098, Attn: NPODS. Suite 200, Southfield, MI 48033, http://www.aiag.org.
Copyright by ASTM Int'l (all rights reserved); 2
A1016/A1016M − 14
6. Chemical Composition 8.2 The permitted variations from the calculated mass per
6.1 Chemical Analysis—Samples for chemical analysis, and foot [kilogram per metre] shall be as prescribed in Table 1.
method of analysis, shall be in accordance with Test Methods,
9. Permitted Variations in Wall Thickness
Practices, and Terminology A751.
9.1 Variations from the specified minimum wall thickness
6.2 Heat Analysis—An analysis of each heat of steel shall be
shall not exceed the amounts prescribed in Table 2.
made by the steel manufacturer to determine the percentages of
the elements specified. If secondary melting processes are 9.2 For tubes 2 in. [50 mm] and over in outside diameter and
employed, the heat analysis shall be obtained from one 0.220 in. [5.6 mm] and over in thickness, the variation in wall
remelted ingot or the product of one remelted ingot of each thickness in any one cross section of any one tube shall not
primary melt. The chemical composition thus determined, or exceed the following percentage of the actual mean wall at the
that determined from a product analysis made by the tubular section. The actual mean wall is defined as the average of the
product manufacturer, shall conform to the requirements speci- thickest and thinnest wall in that section.
fied in the product specification. Seamless tubes ±10 %
6.2.1 For steels ordered under product specifications refer- Welded tubes ±5 %
encing this specification of general requirements, the steel shall 9.3 When cold-finished tubes as ordered require wall thick-
not contain an unspecified element, other than nitrogen for nesses 3⁄4 in. [19.1 mm] or over, or an inside diameter 60 % or
stainless steels, for the ordered grade to the extent that the steel less of the outside diameter, the permitted variations in wall
conforms to the requirements of another grade for which that thickness for hot-finished tubes shall apply.
element is a specified element having a required minimum
content. For this requirement, a grade is defined as an alloy 10. Permitted Variations in Outside Diameter
described individually and identified by its own UNS designa- 10.1 Except as provided in 10.2.1, 10.3, and 25.10.4,
tion in a table of chemical requirements within any specifica- variations from the specified outside diameter shall not exceed
tion listed within the scope as being covered by this specifi- the amounts prescribed in Table 3.
cation. 10.2 Thin-wall tubes usually develop significant ovality
6.3 Product Analysis—Product analysis requirements and (out-of-roundness) during final annealing, or straightening, or
options, if any, shall be as contained in the product specifica- both. Thin-wall tubes are defined as those with a specified wall
tion. 3 % or less than the specified OD, or with a wall specified as
0.020 in. [0.5 mm] or less.
7. Tensile Properties 10.2.1 1 The diameter tolerances of Table 3 are not suffi-
7.1 The material shall conform to the tensile property cient to provide for additional ovality expected in thin-wall
requirements prescribed in the individual product specification. tubes, and, for such tubes, are applicable only to the mean of
7.2 The yield strength, when specified, shall be determined the extreme (maximum and minimum) outside diameter read-
corresponding to a permanent offset of 0.2 % of the gauge ings in any one cross section. However, for thin wall tubes the
length or to a total extension of 0.5 % of the gauge length under difference in extreme outside diameter readings (ovality) in any
load. one cross section shall not exceed the following ovality
allowances:
7.3 If the percentage of elongation of any test specimen is Outside Diameter, in. [mm] Ovality Allowance
less than that specified and any part of the fracture is more than
3⁄4 in. [19.0 mm] from the center of the gauge length, as 1 [25.4] and under 0.020 [0.5]
Over 1 [25.4] 2.0 % of specified outside
indicated by scribe marks on the specimen before testing, a diameter
retest shall be allowed.
10.3 For cold-finished seamless austenitic and ferritic/
8. Standard Mass per Unit Length austenitic tubes, an ovality allowance is necessary for all sizes
less than 2 in. [50.8 mm] outside diameter, because they are
8.1 The calculated mass per foot, based upon a specified
likely to become out of round during their final heat treatment.
minimum wall thickness, shall be determined by the following
For such tubes, the maximum and minimum outside diameter
equation (see Note 1):
W 5 C~D 2 t!t (1)
TABLE 1 Permitted Variations in Mass Per FootA
where: Method of Permitted Variation in Mass
C = 10.69 [0.0246615], Manufacture per Foot, %
W = mass per unit length, lb/ft [kg/m], Over Under
D = specified outside diameter, in. [mm], and Seamless, hot-finished 16 0
Seamless, cold-finished
t = specified minimum wall thickness, in. [mm]. 11⁄2 in. [38 mm] and under OD 12 0
NOTE 1—The calculated masses given by Eq 1 are based on the masses Over 11⁄2 in. [38 mm] OD 13 0
for carbon steel tubing. The mass of tubing made of ferritic stainless steels Welded 10 0
may be up to about 5 % less, and that made of austenitic stainless steel up A
These permitted variations in mass apply to lots of 50 tubes or more in sizes 4
to about 2 % greater than the values given. Mass of ferritic/austenitic in. [101.6 mm] and under in outside diameter, and to lots of 20 tubes or more in
(duplex) stainless steel will be intermediate to the mass of fully austenitic sizes over 4 in. [101.6 mm] in outside diameter.
and fully ferritic stainless steel tubing.
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A1016/A1016M − 14
TABLE 2 Permitted Variations in Wall ThicknessA TABLE 4 Permitted Variations in LengthA
Wall Thickness, % Specified
Outside 0.095 Over 0.095 Over 0.150 Method of Outside Cut Length, in. [mm]
Over
Diameter [2.4] to 0.150 to 0.0180 Manufacture Diameter, in. Over Under
0.180
in. and [2.4 to [3.8 to [mm]
[4.6]
[mm] Under 3.8], incl 4.6], incl Seamless, hot-finished All sizes ⁄
3 16 [5] 0 [0]
Over Under Over Under Over Under Over Under Seamless, cold-finished Under 2 [50.8] 18⁄ [3] 0 [0]
Seamless, Hot-Finished Tubes 2 [50.8] or over 3⁄16 [5] 0 [0]
4 [100] 40 0 35 0 33 0 28 0 Welded Under 2 [50.8] 1⁄8 [3] 0 [0]
and 2 [50.8] or over 3⁄16 [5] 0 [0]
under
A
Over 4 ... ... 35 0 33 0 28 0 These permitted variations in length apply to tubes before bending. They apply
[100] to cut lengths up to and including 24 ft [7.3 m]. For lengths greater than 24 ft [7.3
Seamless, Cold-Finished Tubes m], the above over-tolerances shall be increased by 1⁄8 in. [3 mm] for each 10 ft [3
Over Under m] or fraction thereof over 24 ft or 1⁄2 in. [13 mm], whichever is the lesser.
11⁄2 [38.1] and under 20 0
Over 11⁄2 [38.1] 22 0
Welded Tubes
All sizes 18 0
A
These permitted variations in wall thickness apply only to tubes, except
12. Permitted Variations in Height of Flash on Electric-
internal-upset tubes, as rolled or cold-finished, and before swaging, expanding, Resistance-Welded Tubes
bending, polishing, or other fabricating operations.
12.1 For tubes over 2 in. [50.8 mm] in outside diameter, or
over 0.135 in. [3.44 mm] in wall thickness, the flash on the
TABLE 3 Permitted Variations in Outside DiameterA inside of the tubes shall be mechanically removed by cutting to
Specified Outside Diameter, Permitted Variations, in. [mm] a maximum height of 0.010 in. [0.25 mm] at any point on the
in. [mm] Over Under tube.
Hot-Finished Seamless Tubes
4 [100] or under 1⁄64 [0.4] ⁄ [0.8]
1 32
12.2 For tubes 2 in. [50.8 mm] and under in outside
Over 4 to 71⁄2 [100 to 200], incl 1⁄64 [0.4] ⁄ [1.2]
3 64 diameter and 0.135 in. [3.44 mm] and under in wall thickness,
Over 71⁄2 to 9 [200 to 225], incl 1⁄64 [0.4] 1⁄16 [1.6]
the flash on the inside of the tube shall be mechanically
Welded Tubes and Cold-Finished Seamless Tubes
Under 1 [25] 0.004 [0.1] 0.004 [0.11]
removed by cutting to a maximum height of 0.006 in. [0.15
1 to 11⁄2 [25 to 40], incl 0.006 [0.15] 0.006 [0.15] mm] at any point on the tube.
Over 11⁄2 to 2 [40 to 50], excl 0.008 [0.2] 0.008 [0.2]
2 to 2 ⁄2 [50 to 65], excl
1 0.010 [0.25] 0.010 [0.25] 13. Straightness and Finish
21⁄2 to 3 [65 to 75], excl 0.012 [0.3] 0.012 [0.3]
3 to 4 [75 to 100], incl 0.015 [0.38] 0.015 [0.38] 13.1 Finished tubes shall be reasonably straight and have
Over 4 to 71⁄2 [100 to 200], incl 0.015 [0.38] 0.025 [0.64] smooth ends free of burrs. They shall have a workmanlike
Over 71⁄2 to 9 [200 to 225], incl 0.015 [0.38] 0.045 [1.14]
A
finish. It is permitted to remove surface imperfections by
Except as provided in 10.2 and 10.3, these permitted variations include
out-of-roundness. These permitted variations in outside diameter apply to hot- grinding, provided that a smooth curved surface is maintained,
finished seamless, welded and cold-finished seamless tubes before other fabri- and the wall thickness is not decreased to less than that
cating operations such as upsetting, swaging, expanding, bending, or polishing. permitted by this or the product specification, or the purchase
order. The outside diameter at the point of grinding may be
reduced by the amount so removed.
at any cross section shall not deviate from the nominal 14. Repair by Welding
diameter by more than 60.010 in. [60.25 mm]. However, the 14.1 Repair welding of base metal defects in tubing is
mean diameter at that cross section must still be within the permitted only with the approval of the purchaser and with the
given permitted variation given in Table 3. In the event of further understanding that the tube shall be marked “WR” and
conflict between the provisions of 10.2.1 and those of 10.3, the the composition of the deposited filler metal shall be suitable
larger value of ovality tolerance shall apply. for the composition being welded. Defects shall be thoroughly
10.4 When the specified wall is 2 % or less of the specified chipped or ground out before welding and each repaired length
OD, the method of measurement is per agreement between shall be reheat treated or stress relieved as required by the
purchaser and manufacturer (see Note 2). applicable specification. Each length of repaired tube shall be
examined by a nondestructive test as required by the product
NOTE 2—Very thin wall tubing may not be stiff enough for the outside
diameter to be accurately measured with a point contact method, such as
specification.
with the use of a micrometer or caliper. When very thin walls are 14.2 Repair welding shall be performed using procedures
specified, “go” – “no go” ring gauges are commonly used to measure and welders or welding operators that have been qualified in
diameters of 11⁄2 in. [38.1 mm] or less. A 0.002 in. [0.05 mm] additional
tolerance is usually added on the “go” ring gauge to allow clearance for accordance with ASME Boiler and Pressure Vessel Code,
sliding. On larger diameters, measurement is commonly performed with a Section IX.
pi tape. Other methods, such as optical methods, may also be considered.
15. Retests
11. Permitted Variations in Length 15.1 If the results of the mechanical tests of any group or lot
11.1 Variations from the specified length shall not exceed do not conform to the requirements specified in the individual
the amounts prescribed in Table 4. specification, retests may be made on additional tubes of
Copyright by ASTM Int'l (all rights reserved); 4
A1016/A1016M − 14
double the original number from the same group or lot, each of e = deformation per unit length (constant for a given grade
which shall conform to the requirements specified. of steel: 0.07 for medium-carbon steel (maximum
specified carbon 0.19 % or greater), 0.08 for ferritic
16. Reheat Treatment alloy steel, 0.09 for austenitic steel, 0.09 for duplex
(ferritic/austenitic) stainless steels, and 0.09 for low-
16.1 If the individual tubes or the tubes selected to represent
carbon steel (maximum specified carbon 0.18 % or
any group or lot fail to conform to the test requirements, the
less)).
individual tubes or the group or lot represented may be reheat
treated and resubmitted for test. Not more than two reheat During the second step, which is a test for soundness, the
treatments shall be permitted. flattening shall be continued until the specimen breaks or the
opposite walls of the specimen meet. Evidence of laminated or
17. Test Specimens unsound material, or of incomplete weld that is revealed during
the entire flattening test shall be cause for rejection.
17.1 Test specimens shall be taken from the ends of finished
19.2 Surface imperfections in the test specimens before
tubes prior to upsetting, swaging, expanding, or other forming
flattening, but revealed during the first step of the flattening
operations, or being cut to length. They shall be smooth on the test, shall be judged in accordance with the finish requirements.
ends and free of burrs and flaws.
19.3 Superficial ruptures resulting from surface imperfec-
17.2 If any test specimen shows flaws or defective tions shall not be cause for rejection.
machining, it may be discarded and another specimen substi-
tuted. 19.4 When low D-to-t ratio tubular products are tested,
because the strain imposed due to geometry is unreasonably
18. Method of Mechanical Testing high on the inside surface at the six and twelve o’clock
locations, cracks at these locations shall not be cause for
18.1 The specimens and mechanical tests required shall be rejection if the D-to-t ratio is less than 10.
made in accordance with Test Methods and Definitions A370
or Test Methods A1058. 20. Reverse Flattening Test
18.1.1 Unless otherwise specified in the ordering 20.1 A section 4 in. [100 mm] in length of finished welded
requirements, Test Methods A1058 shall apply when the metric tubing in sizes down to and including 1⁄2 in. [12.7 mm] in
version of the product specification is specified. outside diameter shall be split longitudinally 90° on each side
18.2 Specimens shall be tested at room temperature. of the weld and the sample opened and flattened with the weld
at the point of maximum bend. There shall be no evidence of
18.3 Small or subsize specimens as described in Test cracks or lack of penetration or overlaps resulting from flash
Methods and Definitions A370 or Test Methods A1058 may be removal in the weld.
used only when there is insufficient material to prepare one of
the standard specimens. When using small or subsize 21. Reverse Bend Test
specimens, the largest one possible shall be used. 21.1 A section 4 in. [100 mm] minimum in length shall be
split longitudinally 90° on each side of the weld. The sample
19. Flattening Test shall then be opened and bent around a mandrel with a
19.1 A section of tube not less than 21⁄2 in. [60 mm] in maximum thickness of four times the wall thickness, with the
length for seamless tubes and not less than 4 in. [100 mm] in mandrel parallel to the weld and against the original outside
length for welded tubes and for heavily cold-worked tubes surface of the tube. The weld shall be at the point of maximum
shall be flattened cold between parallel plates in two steps. For bend. There shall be no evidence of cracks or of overlaps
welded tubes, the weld shall be placed 90° from the direction resulting from the reduction in thickness of the weld area by
of the applied force (at a point of maximum bending). During cold working. When the geometry or size of the tubing make it
the first step, which is a test for ductility, no cracks or breaks, difficult to test the sample as a single piece, the sample may be
sectioned into smaller pieces provided a minimum of 4 in. of
except as provided for in 19.4, on the inside, outside, or end
weld is subjected to reverse bending.
surfaces shall occur in seamless tubes, or on the inside or
outside surfaces of welded tubes and heavily cold-worked 21.2 The reverse bend test is not applicable when the wall is
tubes, until the distance between the plates is less than the 10 % or more of the specified outside diameter, or the wall
value of H calculated by the following equation: thickness is 0.134 in. [3.4 mm] or greater, or the outside
diameter is less than 0.375 in. [9.5 mm]. Under these
~ 11e ! t
H5 (2) conditions, the reverse flattening test shall apply.
e1t/D
where: 22. Flaring Test
H = distance between flattening plates, in. [mm], 22.1 A section of tube approximately 4 in. [100 mm] in
t = specified wall thickness of the tube, in. [mm], length shall stand being flared with a tool having a 60° included
D = specified outside diameter of the tube, in. [mm], and
angle until the tube at the mouth of the flare has been expanded
Copyright by ASTM Int'l (all rights reserved); 5
A1016/A1016M − 14
to the percentages specified in Table 5 without cracking or TABLE 6 Flange Requirements
showing imperfections rejectable under the provisions of the Specified Outside Diameter
Width of Flange
product specification. of Tube, in. [mm]
To 2 ⁄ [63.5], incl
12 15 % of Specified Outside Diameter
Over 21⁄2 to 33⁄4 [63.5 to 95.2], incl 121⁄2 % of Specified Outside Diameter
23. Flange Test Over 33⁄4 to 8 [95.2 to 203.2], incl 10 % of Specified Outside Diameter
23.1 A section of tube shall be capable of having a flange
turned over at a right angle to the body of the tube without
cracking or showing imperfections rejectable under the provi- 24.8 When the product specification provides for Vickers
sions of the product specification. The width of the flange for hardness, such testing shall be in accordance with Test Method
carbon and alloy steels shall be not less than the percentages E92.
specified in Table 6. For the austenitic grades, the width of the
flange for all sizes listed in Table 6 shall be not less than 15 %. 25. Nondestructive Examination
25.1 Except as provided in 26.1, each tube shall be exam-
24. Hardness Test ined by a nondestructive examination method in accordance
24.1 For tubes with wall thickness 0.200 in. [5.1 mm] or with Practice E213, Practice E309 (for ferromagnetic
over, either the Brinell or Rockwell hardness test shall be used. materials), Practice E426 (for non-magnetic materials), or
When Brinell hardness testing is used, a 10-mm ball with 3000, Practice E570. Upon agreement, Practice E273 shall be em-
1500, or 500-kg load, or a 5-mm ball with 750-kg load shall be ployed in addition to one of the full periphery tests. The range
used, at the option of the manufacturer. of tube sizes that may be examined by each method shall be
subject to the limitations in the scope of that practice. In case
24.2 For tubes with wall thickness 0.065 in. [1.7 mm] or
of conflict between these methods and practices and this
over but less than 0.200 in. [5.1 mm], the Rockwell hardness
specification, the requirements of this specification shall pre-
test shall be used.
vail.
24.3 For tubes with wall thickness less than 0.065 in. [1.7
25.2 The following information is for the benefit of the user
mm], the hardness test shall not be required.
of this specification.
24.4 The Brinell hardness test shall, at the option of the 25.2.1 Calibration standards for the nondestructive electric
manufacturer, be made on the outside of the tube near the end, test are convenient standards for calibration of nondestructive
on the outside of a specimen cut from the tube, or on the wall testing equipment only. For several reasons, including shape,
cross section of a specimen cut from the tube. This test shall be orientation, width, and so forth, the correlation between the
made so that the distance from the center of the impression to signal produced in the electric test from an imperfection and
the edge of the specimen is at least 2.5 times the diameter of from calibration standards is only approximate. A purchaser
the impression. interested in ascertaining the nature (type, size, location, and
24.5 The Rockwell hardness test shall, at the option of the orientation) of discontinuities that can be detected in the
manufacturer, be made on the inside surface, on the wall cross specific application of these examinations should discuss this
section, or on a flat on the outside surface. with the manufacturer of the tubular product.
25.2.2 The ultrasonic examination referred to in this speci-
24.6 For tubes furnished with upset, swaged, or otherwise fication is intended to detect longitudinal discontinuities having
formed ends, the hardness test shall be made as prescribed in a reflective area similar to or larger than the calibration
24.1 and 24.2 on the outside of the tube near the end after the reference notches specified in 25.8. The examination may not
forming operation and heat treatment. detect circumferentially oriented imperfections or short, deep
24.7 For welded or brazed tubes, the hardness test shall be defects.
made away from the joints. 25.2.3 The eddy current examination referenced in this
specification has the capability of detecting significant
discontinuities, especially of the short abrupt type. Practices
E309 and E426 contain additional information regarding the
TABLE 5 Flaring Test Requirements capabilities and limitations of eddy-current examination.
Minimum Expansion of Inside Diameter, % 25.2.4 The flux leakage examination referred to in this
Ratio of Inside Other Ferritic specification is capable of detecting the presence and location
Carbon-Molybdenum
Diameter to Specified Alloy Steels and
and Austenitic Steels of significant longitudinally or transversely oriented disconti-
Outside DiameterA Other Stainless Steels
0.9 21 15 nuities. The provisions of this specification only provide for
0.8 22 17 longitudinal calibration for flux leakage. It should be recog-
0.7 25 19
nized that different techniques should be employed to detect
0.6 30 23
0.5 39 28 differently oriented imperfections.
0.4 51 38 25.2.5 The hydrostatic test referred to in Section 25 is a test
0.3 68 50
method provided for in many product specifications. This test
A
In determining the ratio of inside diameter to specified outside diameter, the has the capability of finding defects of a size permitting the test
inside diameter shall be defined as the actual mean inside diameter of the material
tested. fluid to leak through the tube wall and may be either visually
seen or detected by a loss of pressure. This test may not detect
Copyright by ASTM Int'l (all rights reserved); 6
A1016/A1016M − 14
very tight, through-the-wall defects or defects that extend an the tube and longitudinally separated by a sufficient distance to
appreciable distance into the wall without complete penetra- allow distinct identification of the signal from each hole. The
tion. holes shall be drilled radially and completely through the tube
25.2.6 A purchaser interested in ascertaining the nature wall, with care being taken to avoid distortion of the tube while
(type, size, location, and orientation) of discontinuities that can drilling. The holes shall not be larger than 0.031 in. [0.8 mm]
be detected in the specific application of these examinations in diameter. As an alternative, the producer may choose to drill
should discuss this with the manufacturer of the tubular one hole and run the calibration standard through the test coil
products. three times, rotating the tube approximately 120° each time.
25.3 Time of Examination—Nondestructive examination for More passes with smaller angular increments may be used,
specification acceptance shall be performed after all deforma- provided testing of the full 360° of the coil is obtained. For
tion processing, heat treating, welding, and straightening op- welded tubing, if the weld is visible, one of the multiple holes
erations. This requirement does not preclude additional testing or the single hole shall be drilled in the weld.
at earlier stages in the processing. 25.8.2.2 Transverse Tangential Notch—Using a round tool
or file with a 1⁄4 in. [6.4 mm] diameter, a notch shall be milled
25.4 Surface Condition: or filed tangential to the surface and transverse to the longitu-
25.4.1 All surfaces shall be free of scale, dirt, grease, paint, dinal axis of the tube. Said notch shall have a depth not
or other foreign material that could interfere with interpretation exceeding 12.5 % of the specified wall thickness of the tube or
of test results. The methods used for cleaning and preparing the 0.004 in. [0.1 mm], whichever is greater.
surfaces for examination shall not be detrimental to the base 25.8.2.3 Longitudinal Notch—A notch 0.031 in. (0.8 mm) or
metal or the surface finish. less in width shall be machined in a radial plane parallel to the
25.4.2 Excessive surface roughness or deep scratches can tube axis on the outside surface of the tube, to have a depth not
produce signals that interfere with the test. exceeding 12.5 % of the specified wall thickness of the tube or
25.5 Extent of Examination: 0.004 in. (0.1 mm), whichever is greater. The length of the
25.5.1 The relative motion of the tube and the transducer(s), notch shall be compatible with the testing method.
coil(s), or sensor(s) shall be such that the entire tube surface is 25.8.3 For ultrasonic testing, the reference ID and OD
scanned, except for end effects as noted in 25.5.2. notches shall be any one of the three common notch shapes
25.5.2 The existence of end effects is recognized, and the shown in Practice E213, at the option of the manufacturer. The
extent of such effects shall be determined by the manufacturer, depth of the notches shall not exceed 12.5 % of the specified
and, if requested, shall be reported to the purchaser. Other wall thickness of the tube or 0.004 in. [0.1 mm], whichever is
nondestructive tests may be applied to the end areas, subject to greater. The width of the notch shall not exceed two times the
agreement between the purchaser and the manufacturer. depth. For welded tubing, the notches shall be placed in the
weld, if the weld is visible. When the notch is placed in the
25.6 Operator Qualifications: weld, the notch depth shall be measured from the surface of the
25.6.1 The test unit operator shall be certified in accordance weld.
with SNT-TC-1A, or an equivalent documented standard
25.8.4 For flux leakage testing, the longitudinal reference
agreeable to both purchaser and manufacturer.
notches shall be straight-sided notches machined in a radial
25.7 Test Conditions: plane parallel to the tube axis on the inside and outside surfaces
25.7.1 For examination by the ultrasonic method, the mini- of the tube. Notch depth shall not exceed 12.5 % of the
mum nominal transducer frequency shall be 2.0 MHz, and the specified wall thickness or 0.004 in. [0.1 mm], whichever is
maximum transducer size shall be 1.5 in. [38 mm]. greater. Notch length shall not exceed 1 in. [25.4 mm], and the
25.7.2 For eddy current testing, the excitation coil fre- width shall not exceed the depth. Outside and inside notches
quency shall be chosen to ensure adequate penetration, yet shall have sufficient separation to allow distinct identification
provide good signal-to-noise ratio. of the signal from each notch.
25.7.2.1 The maximum coil frequency shall be: 25.8.5 More or smaller reference discontinuities, or both,
Specified Wall Thickness, in. [mm] Maximum Frequency, kHz may be used by agreement between the purchaser and the
manufacturer.
<0.050 in. [1.25] 100
0.050 to 0.150 [1.25 to 3.80] 50 25.9 Standardization Procedure:
>0.150 [3.80] 10 25.9.1 The test apparatus shall be standardized at the
25.8 Reference Standards: beginning and end of each series of tubes of the same specified
25.8.1 Reference standards of convenient length shall be size (diameter and wall thickness), grade and heat treatment
prepared from a length of tube of the same grade, specified size condition, and at intervals not exceeding 4 h during the
(outside diameter and wall thickness), surface finish, and heat examination of such tubing. More frequent standardizations
treatment condition as the tubing to be examined. may be performed at the manufacturer’s option or may be
25.8.2 For eddy current testing, the reference standard shall required upon agreement between the purchaser and the
contain, at the option of the manufacturer, any one of the manufacturer.
following discontinuities: 25.9.2 The test apparatus shall also be standardized after
25.8.2.1 Drilled Hole—The reference standard shall contain any change in test system settings, change of operator, equip-
three or more holes, equally spaced circumferentially around ment repair, or interruption due to power loss or shutdown.
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25.9.3 The reference standard shall be passed through the where:
test apparatus at the same speed and test system settings as the P = hydrostatic test pressure, psi or MPa,
tube to be tested, except that, at the manufacturer’s discretion, t = specified wall thickness, in. or mm, and
the tubes may be tested at a higher sensitivity. D = specified outside diameter, in. or mm.
25.9.4 The signal-to-noise ratio for the reference standard
26.1.1 The hydrostatic test pressure determined by Eq 3
shall be 2.5 to 1 or greater, and the reference signal amplitude
shall be rounded to the nearest 50 psi [0.5 MPa] for pressure
for each discontinuity shall be at least 50 % of full scale of the
below 1000 psi [7 MPa], and to the nearest 100 psi [1 MPa] for
display. In establishing the noise level, extraneous signals from
pressures 1000 psi [7 MPa] and above. The hydrostatic test
identifiable surface imperfections on the reference standard
may be performed prior to cutting to final length, or prior to
may be ignored. When reject filtering is used during UT
upsetting, swaging, expanding, bending or other forming
testing, linearity must be demonstrated.
operations, or both.
25.9.5 If, upon any standardization, the reference signal
amplitude has decreased by at least 29 % (3.0 dB), the test 26.2 Regardless of the determination made by Eq 3, the
apparatus shall be considered out of standardization. The test minimum hydrostatic test pressure required to satisfy these
system settings may be changed, or the transducer(s), coil(s), requirements need not exceed 1000 psi [7 MPa]. This does not
or sensor(s) adjusted, and the unit restandardized, but all tubes prohibit testing at higher pressures at manufacturer’s option or
tested since the last acceptable standardization must be re- as provided in 26.3.
tested. 26.3 With concurrence of the manufacturer, a minimum
25.10 Evaluation of Imperfections: hydrostatic test pressure in excess of the requirements of 26.2
25.10.1 Tubing producing a test signal equal to or greater or 26.1, or both, may be stated on the order. The tube wall
than the lowest signal produced by the reference standard shall stress shall be determined by the following equation:
be designated suspect, shall be clearly marked or identified, S 5 PD/2t (4)
and shall be separated from the acceptable tubing.
25.10.2 Such suspect tubing shall be subject to one of the where:
following three dispositions: S = tube wall stress, psi or MPa, and all other symbols as
25.10.2.1 The tubes shall be rejected without further defined in 24.1.
examination, at the discretion of the manufacturer. 26.4 The test pressure shall be held for a minimum of 5 s.
25.10.2.2 If the test signal was produced by imperfections
such as scratches, surface roughness, dings, straightener marks, 26.5 If any tube shows leaks during the hydrostatic test, it
loose ID bead and cutting chips, steel die stamps, stop marks, shall be rejected.
tube reducer ripple, or chattered flash trim, the tubing shall be 26.6 The hydrostatic test may not be capable of testing the
accepted or rejected depending on visual observation of the end portion of the pipe. The lengths of pipe that cannot be
severity of the imperfection, the type of signal it produces on tested shall be determined by the manufacturer and, when
the testing equipment used, or both. specified in the purchase order, reported to the purchaser.
25.10.2.3 If the test signal was produced by imperfections
that cannot be identified, or was produced by cracks or 27. Pneumatic Test
crack-like imperfections, the tubing shall be rejected.
25.10.3 Any tubes with imperfections of the types in 27.1 Air Underwater Test—When this test is required, each
25.10.2.2 and 25.10.2.3, exceeding 0.004 in. [0.1 mm] or tube, with internal surface clean and dry, shall be internally
12.5 % of the specified minimum wall thickness (whichever is pressurized to 150 psi [1000 kPa] minimum with clean and dry
greater) in depth shall be rejected. compressed air while being submerged in clear water. The tube
shall be well lighted, preferably by underwater illumination.
25.10.4 Rejected tubes may be reconditioned and retested
Any evidence of air leakage of the pneumatic couplings shall
providing the wall thickness is not decreased to less than that
be corrected prior to testing. Inspection shall be made of the
required by this or the product specification. If grinding is
entire external surface of the tube after holding the pressure for
performed, the outside diameter in the area of grinding may be
not less than 5 s after the surface of the water has become calm.
reduced by the amount so removed. To be accepted, recondi-
If any tube shows leakage during the air underwater test, it
tioned tubes must pass the nondestructive examination by
shall be rejected. Any leaking areas may be cut out and the tube
which they were originally rejected.
retested.
26. Hydrostatic Test 27.2 Air Pressure Test—When agreed to by the purchaser
26.1 In lieu of nondestructive electric examination, and and supplier, a pneumatic pressure test in accordance with Test
when specified by the purchaser, and, except as provided in Method A1047/A1047M may be used in lieu of the air
26.2 and 26.3, each tube shall be tested by the manufacturer to underwater test.
a minimum hydrostatic test pressure determined by the follow- Acceptance criteria shall be as follows:
ing equation: #1.5 [#40] 0.003 [0.076]
>1.5 #2.0 [>40 #50] 0.004 [0.162]
Inch 2 Pound Units:P 5 32000 t/D (3) >2.0 #2.5 [>50 #65] 0.005 [0.127]
>2.5 #3.0 [>65 #75] 0.006 [0.152]
SI Units:P 5 220.6 t/D >3.0 [>7.5] By agreement
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28. Certification and Test Reports 29. Inspection
28.1 The producer or supplier shall furnish a certificate of 29.1 The manufacturer shall afford the purchaser’s inspector
compliance stating that the material was manufactured, all reasonable facilities necessary to be satisfied that the
sampled, tested, and inspected in accordance with the product is being produced and furnished in accordance with the
specification, including year date, the supplementary ordered product specification. Mill inspection by the purchaser
requirements, and any other requirements designated in the shall not interfere with the manufacturer’s operations.
purchase order or contract, and the results met the requirements
of that specification, the supplementary requirements and the 30. Rejection
other requirements. A signature or notarization is not required
30.1 Each length of tubing received from the manufacturer
on the certificate of compliance, but the document shall be
may be inspected by the purchaser and, if it does not meet the
dated and shall clearly identify the organization submitting the
requirements of the ordered product specification based on the
report. Notwithstanding the absence of a signature or
inspection and test method as outlined in the ordered product
notarization, the certifying organization is responsible for the
specification, the length shall be rejected and the manufacturer
contents of the document.
shall be notified. Disposition of rejected tubing shall be a
28.2 In addition to the certificate of compliance, the manu- matter of agreement between the manufacturer and the pur-
facturer shall furnish test reports that include the following chaser.
information and test results, where applicable: 30.2 Material that fails in any of the forming operations or
28.2.1 Heat number, in the process of installation and is found to be defective shall
28.2.2 Heat analysis, be set aside and the manufacturer shall be notified for mutual
28.2.3 Product analysis, when specified, evaluation of the material’s suitability. Disposition of such
28.2.4 Tensile properties, material shall be a matter for agreement.
28.2.5 Width of the gauge length, when longitudinal strip
tension test specimens are used, 31. Product Marking
28.2.6 Flattening test acceptable, 31.1 Each length of tube shall be legibly stenciled with the
28.2.7 Reverse flattening test acceptable, manufacturer’s name or brand, the specification number, and
28.2.8 Flaring test acceptable, grade. The marking need not include the year of issue of the
specification. For tubes less than 11⁄4 in. [31.8 mm] in diameter
28.2.9 Flange test acceptable,
and tubes under 3 ft [1 m] in length, the required information
28.2.10 Hardness test values, may be marked on a tag securely attached to the bundle or box
28.2.11 Hydrostatic test pressure, in which the tubes are shipped.
28.2.12 Nondestructive electric test method, 31.2 For austenitic steel pipe, the marking paint or ink shall
28.2.13 Impact test results, and not contain detrimental amounts of harmful metals, or metal
28.2.14 Any other test results or information required to be salts, such as zinc, lead, or copper, which cause corrosive
reported by the product specification or the purchase order or attack on heating.
contract.
31.3 When it is specified that certain requirements of a
28.3 The manufacturer shall report, along with the test specification adopted by the ASME Boiler and Pressure Vessel
report or in a separate document, any other information that is Committee are to be completed by the purchaser upon receipt
required to be reported by the product specification or the of the material, the manufacturer shall indicate that all require-
purchase order or contract. ments of the specification have not been completed by a letter
such as X, Y, or Z, immediately following the specification
28.4 The certificate of compliance shall include a statement
number. This letter may be removed after completion of all
of explanation for the letter added to the specification number
requirements in accordance with the specification. An expla-
marked on the tubes (see 30.3) when all of the requirements of
nation of specification requirements to be completed is pro-
the specification have not been completed. The purchaser must
vided in 28.4.
certify that all requirements of the specification have been
completed before the removal of the letter (that is, X, Y, or Z). 31.4 Bar Coding—In addition to the requirements in 31.1 –
31.3, the manufacturer shall have the option of using bar
28.5 A test report, certificate of compliance, or similar
coding as a supplementary identification method. Bar coding
document printed from or used in electronic form from an
should be consistent with the (AIAG) standard prepared by the
electronic data interchange (EDI) transmission shall be re-
Primary Metals Subcommittee of the AIAG Bar Code Project
garded as having the same validity as a counterpart printed in
Team.
the certifier’s facility. The content of the EDI transmitted
document shall meet the requirements of the invoked ASTM
32. Packaging, Marking, and Loading
standard(s) and conform to any existing EDI agreement be-
tween the purchaser and supplier. Notwithstanding the absence 32.1 When specified on the purchase order, packaging,
of a signature, the organization submitting the EDI transmis- marking, and loading for shipment shall be in accordance with
sion is responsible for the content of the report. the procedures of Practices A700.
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33. Government Procurement in a batch type furnace, or heat treated under the same
condition in a continuous furnace, and presented for inspection
33.1 Scale Free Tube:
at the same time.
33.1.1 When specified in the contract or order, the following 33.1.7 Hydrostatic and Ultrasonic Tests—Each tube shall be
requirements shall be considered in the inquiry contract or tested by the ultrasonic (when specified) and hydrostatic tests.
order, for agencies of the U.S. Government where scale-free 33.1.8 Tube shall be free from heavy oxide or scale. The
tube is required. These requirements shall take precedence if internal surface of hot finished ferritic steel tube shall be
there is a conflict between these requirements and the product pickled or blast cleaned to a free of scale condition equivalent
specification. to the CSa2 visual standard listed in SSPC-SP6. Cleaning shall
33.1.2 Tube shall be ordered to outside diameter (OD) and be performed in accordance with a written procedure that has
wall thickness. been shown to be effective. This procedure shall be available
33.1.3 Responsibility for Inspection—Unless otherwise for audit.
specified in the contract or purchase order, the manufacturer is 33.1.9 In addition to the marking in Specification A530/
A530M, each length of tube 1⁄4 in. outside diameter and larger
responsible for the performance of all inspection and test
shall be marked with the following listed information. Marking
requirements specified. The absence of any inspection require-
shall be in accordance with FED-STD-183 and MIL-STD-792:
ments in the specification shall not relieve the contractor of the
(a) Outside diameter, wall thickness, and length (b) Heat or lot
responsibility for ensuring that all products or supplies submit-
identification number.
ted to the government for acceptance comply with all require- 33.1.10 Tube shall be straight to within the tolerances
ments of the contract. Sampling inspection, as part of the specified in Table 7.
manufacturing operations, is an acceptable practice to ascertain
conformance to requirements; however, this does not authorize
submission of known defective material, either indicated or TABLE 7 Straightness Tolerances
actual, nor does it commit the government to accept the Maximum Maximum
Specified wall
material. Except as otherwise specified in the contract or Specified OD (in.)
thickness (in.)
curvature in any curvature in total
3 ft (in.) length (in.)
purchase order, the manufacturer may use his own or any other
Up to 5.0, incl Over 3 % OD to 0.030 0.010 × length, ft
suitable facilities for the performance of the inspection and test 0.5, incl
requirements unless disapproved by the purchaser at the time Over 5.0 to 8.0, incl Over 4 % OD to 0.045 0.015 × length, ft
the order is placed. The purchaser shall have the right to 0.75, incl
Over 8.0 to 12.75, incl Over 4 % OD to 0.060 0.020 × length, ft
perform any of the inspections and tests set forth when such 1.0, incl
inspections and tests are deemed necessary to ensure that the
material conforms to the prescribed requirements.
33.1.4 Sampling for Flattening and Flaring Test and for
Visual and Dimensional Examination—Minimum sampling for 33.1.11 When specified, each tube shall be ultrasonically
flattening and flaring tests and visual and dimensional exami- examined in accordance with MIL-STD-271, except that the
nation shall be as follows: notch depth in the calibration standard shall be 5 % of the wall
thickness or 0.005 in., whichever is greater. Any tube that
Lot Size (pieces per lot) Sample Size
produces an indication equal to or greater than 100 % of the
2 to 8 Entire lot indication from the calibration standard shall be rejected.
9 to 90 8 33.1.12 The tube shall be free from repair welds, welded
91 to 150 12
151 to 280 19 joints, laps, laminations, seams, visible cracks, tears, grooves,
281 to 500 21 slivers, pits, and other imperfections detrimental to the tube as
501 to 1200 27 determined by visual and ultrasonic examination, or alternate
1201 to 3200 35
3201 to 10 000 38 tests, as specified.
10 001 to 35 000 46 33.1.13 Tube shall be uniform in quality and condition and
In all cases, the acceptance number is zero and the rejection have a finish conforming to the best practice for standard
number is one. Rejected lots may be screened and resubmitted quality tubing. Surface imperfections such as handling marks,
for visual and dimensional examination. All defective items straightening marks, light mandrel and die marks, shallow pits,
shall be replaced with acceptable items prior to lot acceptance. and scale pattern will not be considered injurious if the
imperfections are removable within the tolerances specified for
33.1.5 Sampling for Chemical Analysis—One sample for wall thickness or 0.005 in. [0.1 mm], whichever is greater. The
chemical analysis shall be selected from each of two tubes bottom of imperfections shall be visible and the profile shall be
chosen from each lot. A lot shall be all material poured from rounded and faired-in.
one heat. 33.1.14 No weld repair by the manufacturer is permitted.
33.1.6 Sampling for Tension and Bend Test—One sample 33.1.15 Preservation shall be level A or commercial, and
shall be taken from each lot. A lot shall consist of all tube of the packing shall be level A, B, or commercial, as specified. Level
same outside diameter and wall thickness manufactured during A preservation and level A or B packing shall be in accordance
an 8-h shift from the same heat of steel, and heat treated under with MIL-STD-163 and commercial preservation and packing
the same conditions of temperature and time in a single charge shall be in accordance with Practices A700 or Practice D3951.
Copyright by ASTM Int'l (all rights reserved); 10
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34. Keywords
34.1 alloy steel tube; austenitic stainless steel; duplex stain-
less steel; ferritic stainless steel; ferritic/austenitic stainless
steel; heavily cold-worked steel tube; seamless steel tube;
stainless steel tube; steel tube; welded steel tube
ANNEXES
A1. REQUIREMENTS FOR THE INTRODUCTION OF NEW MATERIALS
A1.1 New materials may be proposed for inclusion in A1.1.3 The application shall be accompanied by test data as
specifications referencing this Specification of General Re- required by the applicable specification. Test data from a
quirements subject to the following conditions: minimum of three test lots, as defined by the specification, each
A1.1.1 Application for the addition of a new grade to a from a different heat, shall be furnished.
specification shall be made to the chair of the subcommittee A1.1.4 The application shall provide recommendations for
that has jurisdiction over that specification.
all requirements appearing in the applicable specification.
A1.1.2 The application shall be accompanied by a statement
from at least one user indicating that there is a need for the new A1.1.5 The application shall state whether the new grade is
grade to be included in the applicable specification. covered by patent.
A2. REQUIREMENTS FOR THE INTRODUCTION OF MATERIALS FROM OTHER A01 OR B02.07 SPECIFICATION
A2.1 Wrought materials that are already covered by another A2.1.2 The chemical requirements, the specified mechani-
A01 or B02.07 specification may be proposed for inclusion in cal properties, and the heat treatment requirements of the grade
specifications referencing this specification of general require- being added shall be the same as those for the grade in the A01
ments subject to the following conditions: or B02.07 specification in which the grade is presently covered.
A2.1.1 Application for the addition of a grade that is already A2.1.3 The application shall provide recommendations for
covered in another A01 or B02.07 specification shall be made all requirements appearing in the applicable specification.
to the chair of the subcommittee that has jurisdiction over that A2.1.4 The application shall state whether or not the grade
specification. is covered by patent.
SUMMARY OF CHANGES
Committee A01 has identified the location of selected changes to this specification since the last issue,
A1016/A1016M–13, that may impact the use of this specification. (Approved March 1, 2014)
(1) Added Test Methods A1058 to 2.1, 3.1, and Section 18.
Committee A01 has identified the location of selected changes to this specification since the last issue,
A1016/A1016M–11a, that may impact the use of this specification. (Approved April 1, 2013)
(1) Editorially corrected A1.1.1. (2) Added Annex A2.
Copyright by ASTM Int'l (all rights reserved); 11
A1016/A1016M − 14
ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned
in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk
of infringement of such rights, are entirely their own responsibility.
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and
if not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standards
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make your views known to the ASTM Committee on Standards, at the address shown below.
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