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Re: [MW:36183] Undercut for welder performance qualification

QW-194 of ASME Sec.IX is the Visual Acceptance criteria and according to the same there shall be complete fusion of weld metal and base metal. No level of undercut is allowed.

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J.Gerald Jayakumar

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On Wednesday, 14 October 2026 at 08:54:41 am IST, venkateswara reddy Desireddy <dvreddy82@gmail.com> wrote:


Dear experts,
Undercut acceptance for welder performance qualification, In ASME Sec IX not mentioned any details. So can I take code of construction B31.3 acceptance?

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