Friday, March 4, 2016

[MW:24432] Requirement of PWHT after repair in P91 after SR

Dear Experts,

Please give your opinion if 30 inch joint found repair material p91 after SR in only one inch.


Is it necessary to do full joint PWHT??

If a joint getting pwht again then what effects might be on joint and material??


Thanks

Ramesh Barot


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