AL ZAMIL METAL WORKS FACTORY
WELDING PROCEDURE SPECIFICATION (WPS)
WPS No.:
Supporting PQR No(s).:
Welding Process(es):
AZ-106
Rev. No.:
AZ-105
Electro-Gas (EGW-VUP)
BASE METAL(S) (QW-403):
P.No. 1 G.No
To P.No.
1 G.No
3
3
SA-537 Class 2
To SA-537 Class 2
Or Material Spec.
Base Metal Thickness Range (mm):
Groove:
Fillet:
5 - 44 mm
All
16~44 mm (with impact)
N/A
Welding Process:
Filler Metal F.No.:
Weld Metal A. No.:
S.F.A. Specification:
AWS Classification:
Size (mm):
Flux Type:
Flux Designation:
Flux / Wire Classification:
Alloy Flux:
Electro-Gas
6
1
SFA 5.26
EG-72T-1
Ø 2.4 mm
N/A
N/A
N/A
N/A
N/A
44 mm Max.
Flux Cored (Self Shielded)
None
N/A
Supplemental Filler Metal:
Weld Metal Deposit (mm):
Filler Metal Product Form:
Consumable Insert:
Recrushed Slag:
Date:
Code:
Type(s):
23/05/2021
ASME Sec. IX Ed.2019
MACHINE
JOINTS (QW-402):
Joint Design:
Backing:
Type:
Root Spacing:
Root Face
Groove Angle
Retainer:
POSITION (QW-405):
N/A
Single Pass Thickness:
Others:
FILLER METALS (QW-404):
0
GAS (QW-408):
"V" Groove
With
"V"
4~6 mm
N/A
N/A
Water Cooled Copper Dams (Backing)
Positions of Groove:
Welding Progression:
Positions of Fillet:
3G
Uphill
N/A
PREHEAT (QW-406):
Preheat Temp. (min.):
For Thick < 40mm = 40ºC
For Thick > 40mm = 93ºC
Preheat Maintenance:
None
260 ºC
N/A
Interpass Temp.(max.):
Others:
PWHT (QW-407):
Temperature (Range):
Time Range:
N/A
Others:
N/A
N/A
TECHNIQUE (QW-410):
Gas
% Mixture
Flow Rate String / Wave Bead:
Shielding
Backing
Trailing
String & Weave
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
ELECTRICAL CHARACTERISTICS (QW-409):
Welding Process:
Electro-Gas (EGW)
Current (AC/DC):
DC
Polarity:
EP
Single/Double side welding:
Amp. Range:
Volts Range:
Pulsing Current (Yes/No):
Tungsten Electrode Dia.:
Tungsten Electrode Type:
As per Table below
Oscillation:
As per Table below
Contact tube to work dist.:
N/A
Max. weave width:
N/A
N/A
N/A
N/A
N/A
Transfer Mode
Weld Layer(s) Process
Single
Single or Multiple pass/side:
Single
Single/ Multiple Electrodes:
Single
Orifice/ Gas cup size No.:
N/A
Initial/ Inter pass cleaning:
N/A
Method of back gouging:
N/A
Peening:
Not allowed
None
Use of thermal process
N/A
Others:
Current (A)
Filler Metal(Note-1)
Class
Dia.(mm)
Polarity
Amp.Range
None
Volt Range
(V)
Travel Speed
(mm/min)
Average Heat Input
(KJ/mm)
1st Pass
EGW
EG-72T-1
2.4
DCEP
500~600
35~45
110~120
11
Back Pass
EGW
EG-72T-1
2.4
DCEP
460~580
35~45
115~130
10
REMARKS (IF ANY):
Prepared By:
Note-1: Trade names- Hyundai, Lincoln (Inner Shield)
Sign / Date:
Approved By:
Note-2: Cleaning shall be performed before fittup of the members bieing welded
Umar Farooq
Welding Engineer
Mostafa Elattar
QAQC Manager
Sign / Date: