Surveyor Industry Department
--Hi Gents,
I would like to request your expert advice regarding the WQT (Welder Qualification Test) using AWS D1.1.
AWS does not have a provisions for qualifying a welder on a single test coupon using multiple welding processes. AWS WQT is based on the range of the welder's qualifications is based on the thickness of the test plate, not the thickness of the weld deposit like ASME IX. Also AWS specified that the welders are qualified during the Procedure qualification. As per the Code There is no-where written that WQT can be performed with multiple process, except for procedure qualifications.?
Question 1: Could you please confirm that the above mentioned statement is correct "Welders shall be qualified with single process on single test coupon"? ASME Section IX where the welder is qualified for a range of deposit thicknesses. Thus, multiple welding processes can be used on the same test coupon and the welder can be qualified for multiple welding processes simultaneously.
Question 2: Client had accepted few Welder qualification in-past (Before I join the project) where it was qualified dual process in single test coupon using an approved WPS (R&H – SMAW, F&C – FCAW). Please clarify whether Engineer/Client has the right to accept a non-confirming quals accordance to AWS D1.1 Clause 1.3.1, just to make sure it won't bite back me later stage.
Regards,
Biju Kurian Pottayil
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