[MW:25596] Hydrogen back out - ASME sect IX

Dear all,

For 15E Material P number, it's mandatory in our project to perform Hydrogen backout and then PWHT;

  Please confirm to us if Hydrogen Back out is considered as  part of PWHT accoeding ASME sect IX ?

If one PQR is performed without Hydrogen Back out, could us prepare production WPS with  this intermediate Heat cycle (Hydrogen back out) ?

Thank you.

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Thanks and Regards, 

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زكرياء غراب
GHRAB Zakaria 

Tunisia : +216 96 635 805

Yesterday is the past, tomorrow is the future; and today? Today is the present, the gift: Enjoy it!

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