Re: [MW:14718] Re: welding procedure qualification requirement for P No.1 Group no 1,2

Dear Mr. Lalit,

Any change in P nos (or) Group nos requires re qualification as per sec. IX of ASME.

sridhar.

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Dear Mr. Subhankar,

Since your P1 Gr.2 is qualified for impact at -48 deg. C  then it is qualified for temp. -29 deg C. as the P nos and Group  nos are same.

sridhar.

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From: Kavin Murugam <kavin202082@yahoo.com>
To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Sent: Thursday, 28 June 2012 2:39 PM
Subject: Re: [MW:14713] Re: welding procedure qualification requirement for P No.1 Group no 1,2

Can , The lower the temperature the more its brittle

 

Regards,

Kavin Murugam

0126159644

 

From: SUBHANKAR CHAKRABORTY <subh.tinny@gmail.com>
To: materials-welding@googlegroups.com
Sent: Wednesday, June 27, 2012 12:15 PM
Subject: [MW:14701] Re: welding procedure qualification requirement for P No.1 Group no 1,2

Dear Exparts,

CAN ANYBODY EXPLAIN ME IF A PQR P1G2 ~ P1G2 QUALIFIED WITH IMPACT AT -48 DEGREE,IS IT SUPPORT A WPS P1G2 ~ P1G2 WITH IMPACT AT -29?

 

SUBHANKAR CHAKRABORTY

On Thursday, 21 June 2012 14:17:17 UTC+5:30, LALIT wrote:

Dear expert,

 

If welding procedure is qualified for the SA 516 Gr.60 to same (P No.1 Group 1 to same), then is it required to conduct another PQR for the SA 516 Gr.70 to same (P No.1 Group 2 to same), if impact requirement is applicable for both material at same temperature?

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Regards

Lalit Vadadoriya
Sr.Engineer (Inspection)
Engineers India Limited
Dahej Petrochemical Complex,

Dahej (Gujarat)

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