7/29/2019 PSF-QC-019-Rev.1
1/3
EPC FOR ASAB FFD PROJECT MOL+CDS ME&IWORKS
Abu Dhabi-UAE
WELDING PROCEDURE SPECIFICATION Doc No: PSF-QC-019Rev.No:1
Preliminary WELDING PROCEDURE SPECIFICATION
WPS No: Date: Supporting PQR No.
Design Code : Welding Code:
Revision No: Referens Doc.
Welding Process(es): Type(s):
JOINTS (QW-402)
Joint Design Backing No Yes
Backing Material (Type) Metal
Nonmetallic
Nonfusing Metal
Other
Sketch:
BASE METALS (QW-403)
P-No. Group No. To P-No. Group No.
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: Fillet
Pipe Dia. Range Fillet
Other
FILLER METALS (QW-404)GTAW SMAW
Spec. No. (SFA)
AWS No. (Class) /Trade Name
F-No.
A-No.
Size of Filler Metals
Weld Metal
Thickness Range
Groove
Fillet
Electrode-Flux (Class)
Flux Trade Name
Consumable Inserts
Other
7/29/2019 PSF-QC-019-Rev.1
2/3
EPC FOR ASAB FFD PROJECT MOL+CDS ME&IWORKS
Abu Dhabi-UAE
WELDING PROCEDURE SPECIFICATION Doc No: PSF-QC-019Rev.No:1
WPS NoRev.
POSITIONS (QW-405) POSTWELD HEAT TREATMENT (QW-407)
Position(s) of Groove Temperature Range
Welding Progression: Up Down Time Range
Position(s) of Fillet Other
PREHEAT (QW-406) GAS (QW-408) Percent Composition
Preheat Temp. Min. Shielding
Interpass Temp. Max. GTAW
Preheat Maintenance Trailing
(Continuous or special heating where applicable should be
recorded) Backing(Max)
ELECTRICAL CHARACTERISTICS (QW-409)
Current AC or DC Polarity
Amps (Range) Volts (Range)
Tungsten Electrode Size and Type
Mode of Metal Transfer for GMAW
Electrode Wire Feed Speed Range
TECHNIQUE (QW-410)
String or Weave Bead
Orifice or Gas Cup SizeInitial and Interpass Cleaning
Method of Back Gouging
Oscillation
Contact Tube to Work Distance
Multiple or Single Pass (per side)
Multiple or Single Electrodes
Travel Speed (Range)
Peening
Other
Weld
Layers Process Filler Metal Current
ClassDia.
(mm)Type Polarity
Amper Range
(A)
Volt Range
(V)
Travel Speed
Range
(cm/min)
Other
PREPARED BYCHECKED BY APPROVED BY
TEKFEN (QA/QC) PETROFAC (ADCO)
NAME : NAME : NAME NAME
SIGNATURE SIGNATURE SIGNATURE SIGNATURE
TITLE DATE: TITLE DATE: TITLE DATE TITLE DATE
