Post Weld Heat Treatment 1

[azn4850]

Hi Everyone,

If vessel clips are welded to the reactor that requires PWHT. Do we have to PWHT the entire reactor or just localized area?. What section of ASME section VIII Div. 1 specify the requirements for this particular case.

Thank you very much in advance for your help.

azn4850

 

[Metalguy]

Don't know the code section, but you shold be able to do a local PWHT-unless the vessel is 304 SS, etc. You might also be able to do a "temper bead" weld.

 

[deanc]

ASME SecVIII Div1 UW-40