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Re: [MW:28608] Deformation during PWHT - P92

By Materials & Welding
This is bulging?

A: Yes

any welded valves adjacent which is 1500 or 2500 ratings?

A: No, but there is a heavy piping above and restriction below.

Did you carriedout postheating after welding?

A: Yes, 2 hours @760°C

Did you had bolt torquing either side fixed strongly?

A: It doesn't have any flanges.

Is there any distortion after welding and carriedout PWHT without any rectifications?

A: No, distortion appeared after PWHT.

Or Modifcations done for repairs (Cutout or partial repairs) before PWHT?

A: Yes, it was done partial repair before PWHT.

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