Sandeep,
The welder is qualified to weld s/s P8 using the GTAW because it is the same F No 6 .
The welder is not qualifed for SMAW because the FNo are different C/S F No 4 E7018 the S/S is FNo 5 so he would need to be tested for SMAW welding.
YOU will need a PQR qualified for the S/S material as it is an essential variable but welders as stated above are OK.
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Chan, David
Sent: Wednesday, August 25, 2010 6:51 AM
To: materials-welding@googlegroups.com
Subject: **** SPAM **** [MW:6695] 6694] PQR Validity
Sandeep,
Please refer to ASME IX for a better understanding as the welder is NOT qualified to weld P8 based on P1
You will require a new PQR for P8
Thank you,
Best Regards.
David Chan
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of sandeep
Sent: Wednesday, August 25, 2010 2:11 AM
To: materials-welding@googlegroups.com
Subject: [MW:6694] PQR Validity
Hello Everybody
I have qualified (2005) GTAW PQR#1 for Material of (P1 Gr 2) to ( P1 Gr 2).
I have WPS #1 for the same.
Welders qualify for WPS#1
I have question
1.If I want Welder to weld Material Of P8 Gr 1
I have to develop new PQR ?
If you need more info let me know
Thanks
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