Tuesday, October 26, 2010

[MW:7833] PWHT Requirement

Dear All,

Please reply the below questions regarding the PWHT

1. what is the time limit to carried out the PWHT after completion of
welding as per B31.3

2. In B31.3 anywhere mention the Type of service also range of PWHT varies....

3.What will happen if PWHT will carried out after 6 Month service.

Please explain in detail with relevent clause.

Noushad
Doha

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