B16.25: Why are Fig 2 & 3 acceptable with GTAW?
B16.25: Why are Fig 2 & 3 acceptable with GTAW?
(OP)
How can Fig 2 & 3 of ANSI B16.25 be acceptable to be used without backing rings when the GTAW method is used?
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B16.25: Why are Fig 2 & 3 acceptable with GTAW?
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