Tuesday, May 25, 2010

[MW:5245] PWHT for SS grade 321

My question is can someone advise me how to proceed for the Post weld
heat treatment for SS 321 as showing below:
The licenser requirement order to perform PWHT for piping in ANSI
grade 321 to minimize the risk of chloride SCC.
The recommendation is to stress relieve fields weld on the stabilized
SS for the above mentioned grade by thermal stabilization.
best regards

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