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Re: [MW:13612] RE: 13596] WPS with baking for welding single side welded Joint without backing with qualified Welder without backing

By Materials & Welding
I suppose you have Qualified PQR (not WPS) with Backing. You can prepare a WPS without Backing using the same PQR as per ASME Sec.IX. Use this WPS for Welder Qualification without Backing.
 
Thanks & Regards J.Gerald Jayakumar 0091-9344954677
From: Aly <mhaskar.aly@gmail.com>
To: materials-welding@googlegroups.com
Sent: Saturday, February 4, 2012 10:48 AM
Subject: Re: [MW:13608] RE: 13596] WPS with baking for welding single side welded Joint without backing with qualified Welder without backing

 
Dear Experts,
 
Thank you all for sparing time for reply;
 
Further, Can you advise on Mr. Vijayan Reply as he is saying that as I don't have qualified WPS without backing how can I qualify the welder without backing.
 
Can't I qualify a welder for "without backing" as per WPS without baking?
 
 
Ali Mhaskar
 
-------Original Message-------
 
From: vijayan
Date: 02/02/2012 16:45:08
Subject: [MW:13603] RE: 13596] WPS with baking for welding single side welded Joint without backing with qualified Welder without backing
 
Hi
A welder can basically qualified on a qualified WPS. In your case, the WPS is with backing but the welder is qualified without backing which is conflicting. Even though the  deletion of backing is not an essential variable for a WPS, either you have to rewrite the WPS with backing (if qualified for that) or have to qualify the welder on without backing WPS. In addition, the WPS number shall be reflected in the welder qualification certificate.
See the excerpt below from Sec IX which clearly states the performance qualification on qualified WPS
BR
M.Vijayan
 
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Aly
Sent: Tuesday, January 31, 2012 8:07 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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