WELD COUPON (PQR / WPQ)
WITNESS REPORT
Date:
Manufacturer :
Location :
pWPS / WPS No. :
PQR / WPQ No. :
Joint Type & Weld :
Welding Process :
Mode of Metal Transfer :
Material Thickness :
Welder’ Name & No. :
Outside Pipe Dia. :
Joint Design :
Weld Sequence :
Method of Preparation &
cleaning :
Welding Position :
Specification of Parent
Material :
Specification of Electrode
Wire, Batch No. & Make :
MTC for Parent Material:
Batch Cert. No. :
Size of Test Coupon :
Material form :
Shielding Gas / Flux :
Gas flow rate :
Purging Gas :
Gas flow rate :
Preheat Temp. :
Inter pass Temp. :
Tungsten electrode
details :
Details of Back Gouging :
Post heating :
PWHT details :
Weaving :
Ceramic Cup size :
CTWD :
Weld
Layer(s)
Torch angle :
Welding
Process
Electrode /
Wire Dia.
Visual Inspection :
Voltage
Current
Polarity
Wire Feed
Speed
Test Coupon : Acceptable / Not Acceptable
Testing to be done as per reference Standard :
Manufacturer : Name, Date & Signature
Test Witnessed by (Examiner) :
Travel
Speed