Tuesday, January 10, 2017

[MW:25881] Individual Welding Process Thickness Range Limit

Dear Sir

Please support us for below concern:

i carried out PQR with GTAW & SMAW (No Impact, GTAW deposit weld is 5 mm & SMAW deposit weld is 42.64 mm), the test coupon is 23.82mm so the qualified thickness range will be 5 to 47.64 mm.

If i want to make new WPS based on the above PQR (GTAW WPS), is it permissible to put qualified thickness range to be 1.5 to 10 mm based on GTAW deposit weld (5mm)?
Please support with evidence 

 

Regards


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