Monday, January 23, 2012

[MW:13553] PWHT requirements -ASME B31.3

Dear all

My question is that  if a 15 mm build is to be carried out on a 25 mm thick flange face, would I require to do a post weld heat treatment? What would be the governing thickness in this case?
Section 3331.1.3 states that governing thickness shall be that of thicker component measured at the joint except in case of branch and fillet.
So does that implies weld joint? i.e. 15 mm in this case?

Any supporting document (eg ASME clarifications) would be much appreciated.

Thanks in advance.

Best regards

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