Dear All,
Design code ASME sec viii, div 1,
Pig trap barrel material P460 ML1 (TMCP treated) , Thickness 40mm
welded to
A765 End closure, Thickness 60mm,
Since CE value of P460 ML1 is 0.46% and design code mandate PWHT with nominal thickness (40mm),
Can somebody give me an insight of PWHT effect on P460 ML1 mechanical properties and appropriate PWHT temperature?
Regards
Manpreet Singh
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