| Dear colleagues Please explain me that we are having WPS (D 1.1) with back gauging. Based on this WPS can we qualify a welder with backing strip test coupon ?, I know that the welder any how qualified with backing, my question is whether we need separate WPS with mentioned backing strip or not. P.Balajirajan. |
Thursday, December 16, 2010
[MW:8763] Welder qualification with backing
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