Monday, April 19, 2021

Re: [MW:32281] Back Weld at Pressure vessel - U stamp

Dear Sankar Ji,

I hope you meant backgouged & Rewelded by means of Back Welding.

As you said, Addition of backing is non Essential Variable for GTAW as per Table QW 256.

Hence it is accepted.

You can  incorporate the same & Can Revise the WPS 




With Regards,

Sandeep.P.Raghavan

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