[MW:13601] FW: 13596] WPS with baking for welding single side welded Joint without backing with qualified Welder without backing

Yes u can use ….. your welder is qualified for with/without backing  …. WPS backing removal is non essential variable

Nonessential Variable (Procedure)

 A change in a welding condition which will not affect the mechanical properties of a weldment (such as joint design, method of back gouging or cleaning, etc.)

Best Regards

Ahmed Osman

Senior QC Eng.

Orascom Construction Egypt

+20 122 5880434

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Aly
Sent: Tuesday, January 31, 2012 7:07 PM
To: materials-welding@googlegroups.com
Subject: [MW:13596] WPS with baking for welding single side welded Joint without backing with qualified Welder without backing

 

Dear experts,   Could you please clarify following;   If I have qualified WPS with backing & qualified Welder without backing; with this can we weld single side welded joint without backing.Please reply me in the light of ASME SEC IX.   Thanks in advance   Ali Mhaskar

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