Friday, February 4, 2011

[MW:9727] PWHT Requirement

Dear Experts
 
Kindly share your expertise on the following question..
We are qualifying a WPS (SA 106Gr.B) with PWHT requirement so question is that what should be the timing gap to start PWHT after welding.
(Applicable : Sec.IX,ASME B31.3,ASTM D1.1)
Kindly mention code clause for reference.

Best Regards

Sandesh Pandey

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