ASME SEC IX to be
mentioned with Format No
(QW-482)
PQR document to be
submitted
TATA PROJECTS LIMITED
GIGAFACTORY FOR LITHIUM-ION CELL BATTERY
MANUFACTURING PHASE-1, SANAND, AHMEDABAD,
GUJARAT
UNIVERSAL MEP PROJECTS & ENGINEERING SERVICES LIMITED
Format No- TPL-HVAC-UMPESL-F-010
Welding Procedure Specification
WPS No: UMPESL/WPS/MS/P1/001
◦
70 + 5
Date: 10/09/2025
PQR No: UMPESL/PQR/MS/P1/001
Sketch Details
Material 1 Size
150 mm
Material 2 Size
150 mm
Root Gap
1.5 to 2.4 mm
Joint Groove Type
Butt Weld
Included Angle
70 ◦ + 5◦
Preheat (QW - 406)
Joint (QW - 402)
37.5◦ + 2.5◦
Single V
1.5 mm to 2 mm +/- 0.5
1.5 mm +/- 0.8 mm
NA
NA
½” NPS , Dia- 21.3 mm, length- 300 mm,
thk- 3.2 mm
Bevel Angle
Type of Joint
Root Gap (mm)
Root Face (mm)
Backing
Backing Material
Dimension of Test Piece
Base Metals (QW - 403)
Preheat Temp (min):
Inter-pass Temp(max)
Others
Ambient Temp.
150 ◦C
None
Holding Temp.:
Min Holding Time:
NA
NA
PWHT (QW - 407)
Gas (QW - 408)
Shielding Gas (GTAW)
Argon
PN No. 1
To PN No 1
Gas Flow Rate:
8-12 LPM
Gr. No 1
Mat. Specification
Thickness Range
To Gr No. 1
IS 1239
1.5 mm to 6.4 mm
Trailing Gas:
Backing/Purging:
Gas Flow Rate:
NA
Argon
8-12 LPM
Others:
None
- Groove
Thickness Range
- Fillet
All Thickness
Dia. Range
Dia. Range
Others: None
-Groove
-Fillet
Any
Any
Electrical Characteristics (QW - 409)
Filler Metals (QW - 404)
5.18
ER 70S-2
6
1
2.4 * 1000
NA
As Per Manuf. Standard
None
None
SFA No.:
AWS Class
F. No
A. No
Size (mm)
Electrode Flux Type
Backing / Storage
Consumable Insert
Others
Technique (QW - 410)
6G
Uphill
All
Current
Filler Metal
Weld Layer
Process
AWS Class
Dia. in mm
Polarity
Root Pass
Hot Pass
Fill-up Pass
Capping Pass
GTAW
GTAW
GTAW
GTAW
ER70S-2
ER70S-2
ER70S-2
ER70S-2
2.4
2.4
2.4
2.4
DCEN
DCEN
DCEN
DCEN
Signature:
Name:
Date:
String/Weaving
NA
Wire Brushing
Grinding
NA
NA
Multiple
Single
150 – 200 IPM
NA
Bead (String/Weaving):
Orifice or Gas Cup Size:
Initial & Inter-pass cleaning:
Method of Back Gauging
Oscillation
Contact Tube to Work Distance
Multi/Single pass:
Multi/Single Electrode
Travelling Speed (Range):
Peening:
Position (QW - 405)
Position (s) of groove:
Welding Progression:
Position (s)of Fillet:
DCEN
60-125
10-25
2.5 mm
NA
NA
None
Current and Polarity:
Amps (Range):
Volts (Range):
Tungsten Electrode size
Mode of Metal Transfer (GMAW)
Elect. Wire- Feed, Speed, Range
Others
Amp Range
Voltage
Range
Travelling
Speed
mm/min
60-110
60-110
60-110
60-110
10-20
10-20
10-20
10-20
50-120
50-120
50-120
50-120
Remarks