LILAM 45.
1 JOINT STOCK COMPANY
Add:140 Dien Bien Phu Str -1 Dist-Ho Chi Minh Ci
Tel: (84) 8203017-&Fax: (84) 8 8201 455
WELDING PROCEDURE
SPECIFICATION (WPS)
WPS No. : 45.1-21
LILAMA 45.1 Lloyd's Register
OCK COMPANY
Dist-Ho Chi Minh City
(84) 8 8201 455
RE
S)
oyd's Register
Company Name LILAMA 45.1 CO By
Welding Procedure Specification No. 45.1- 21 Date 12th Dec.2002 Supporting PQR N
Revision No 3 Date 15th Feb.2008
Welding Process(es) GTAW +SMAW Type(s) Manual
(Manual, Machine, Automatic,
Applicable Code ASME Code Section IX (Edition 2007)
JOINTS (QW-402) DETAILS
Joints Design Single Groove
Backing Yes SMAW No GTAW
Backing Metal (Type) GTAW Weld Metal
(Refer to both backing and retainers)
□ Metal □ Nofusing Metal
□ Nonmetalic □ Other
Sketches,Production Drawings,Weld Symbols,or Written Decription
should show the general arrangement of the parts to be welded.Where
applicable , the root spacing and the details of weld groove may be
specified.
[ At the option of the Manufacturer,sketches may be attached to illustrate
joint design,weld layers,and bead sequence (e.g., for notch toughness
procedures, for multiple process procedures,etc.)]
BASE METALS (QW-403)
P-No. 4 Group No . -- to P- No. 4, 3 or 1
OR
Specification Type and Grade ………... to Specification Type and Grade ………….
OR
Chem.Analysis and Mech.Prop …………. to Chem.Analysis and Mech.Prop ………….
Thickness Range :
Base Metal: Groove 4.76÷46.0 mm Fillet
Other Each single pass is less than 12.7 mm thickness
FILLER METAL (QW-404)
Spec.No.(SFA) 5.28
AWS No.(Class) ER 80S-G
F-No 6
A-No 3
Size of Filler Metals Þ2.0, 2.4 mm Þ 3.2,
Weld Metal
Thickness Range:
Groove Max 6.0 mm Remaining
Fillet All
Electrode-Flux (Class) N/A
Flux Trade Name N/A
Consumable Insert N/A
Other
Sheet 1/2
LE MANH HUNG
Supporting PQR No.(s) 45.1- 21
Manual
(Manual, Machine, Automatic, Semi-Auto)
X (Edition 2007)
DETAILS
Group No . --
o Specification Type and Grade ………….
to Chem.Analysis and Mech.Prop ………….
All Thickness
single pass is less than 12.7 mm thickness
5.5
E 8016-B2
4
3
Þ 3.2, 4.0 mm
Remaining of Thickness
All
N/A
N/A
N/A
N/A
WPS No. 45.1- 21 Rev.
POSITIONS (QW-405) POSWELD HEAT TREATMENT (QW-407)
Position(s) of Groove All Position Temperature Range
Welding progression: Up Uphill Down N/A Time Range 1 h/(25 mm)/15min minim
Position)s) of Fillet All Position
GAS (QW-408)
PREHEAT (QW-406) Percent Composition
Preheat Temp, Minimum 1200C Gas(s)
Interpass Temp, Maximum 3000C Shielding Argon
Preheat Maintenance Gas burner or Electric Heater Trailing N/A
(Continuous or special heating, where applicable, should be recorded) Backing N/A
ELECTRICAL CHARACTERISTICS (QW-409)
Current AC or DC DC Polarity DCEN for GTAW;D
Amps (Range) See Table Volts (Range)
(Amps and volts range shoulad be recorded for each electrodessize, position, and
thickness, etc ,.This informatiion may be listed in a tabular from similar to that show below.)
Tungsten Electrode and Type Φ2.4 mm ( 2%Thoriated)
(Pure Tungsten .2% Thoriated,etc.)
Mode of Metal Transfer for GMAW N/A
(Spray Arc ,Short Circuiting Arc .etc.)
Electrode Wire Feed Speed Range N/A
TECHNIQUE (QW-410)
String or Weave Bead String And Weave
Orifice or Gas Cup Size 4 to 6 mm (I.D) for GTAW
Initial and Interpass Cleaning (Brushing,Grinding,etc.) Brushing And Grinding
Method of Backing Gouging N/A
Oscillation N/A
Contact Tube to Work Distance N/A
Multiple or Single Pass (Per Side) Multiple
Multiple or Single Electrodes Single
Travel Speed (Range) See Table
Peening None
Other
Weld Filler Metal Current Volts
Layers Process
Class Dia.(mm) Polarity Amp.(A) Range(V)
GTAW ER 80S-G Þ 2.4 DCEN 80-120 18-24
Root
GTAW ER 80S-G Þ 2.4 DCEN 80-140 18-24
SMAW E 8016-B2 Þ 3.2 DCEP 100-140 20-26
Cap
and SMAW E 8016-B2 Þ 4.0 DCEP 100-160 20-28
Fill
SMAW E 8016-B2 Þ 3.2 DCEP 100-140 20-26
3 Sheet 2/2
07)
700÷7500C
m)/15min minimum
ent Composition
(Mixture) Flow Rate
99.99% 6-15 l/min
N/A N/A
N/A N/A
N for GTAW;DCEP for SMAW
See Table
Trave
Speed Remarks
Range
50-80
50-80
60-100
60-100
60-100
