Wednesday, September 22, 2010

[MW:7143] ISR of P-91 pipes.

Hi All,

 

I have welded joint of P91 of 400DN and 40 mm thickness, due to unavoidable reasons we have to do the heat-treatment after 60 days,

 

Is there requirement of ISR?

 

If yes, what should be the heating cycle?

 

Regards

Ravinder Sharma

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