Dear Experts,
need some reference / support from ASME B31.1 for performing hydrogen bake in alloy steels when is not possible to do immediatly PWHT after Welding for any case.
- What's minimum time after welding when it's mandatory to perform this intermediate cycle
- Holding time and temperature !
- Others requirements (if any)
I know that it's necessary to perform this heat treatment but i didn't get support from Code.
Regards
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