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Anonymous Poster

SMAW and GTAW Welding Process

07/22/2010 12:56 AM

Hi,

I have a PQR which shows a GTAW and SMAW combine welding process. The root pass is weld using a 2.4mm filler rod. The rest of it is welded using smaw. Total thickness of base metal is 7.11mm.

Using the PQR can i create a GTAW only WPS of max 4.8mm thk?
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Anonymous Poster
#1

Re: SMAW and GTAW Welding Process

07/23/2010 1:07 AM

Hi

If on the PQR it shows a GTAW and SMAW combine welding process, does this means that for the WPS we can create a GTAW ONLY welding process?

Please advice.

Thank you very much

REgards,

Jess
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ashfaqanwer
Commentator
Engineering Fields - Piping Design Engineering - New Member

Join Date: Apr 2010
Posts: 66
Good Answers: 1
#2
In reply to #1

Re: SMAW and GTAW Welding Process

07/29/2010 3:11 AM

As per ASME Sec. IX, a change from one welding process to the other is an essential variable and requires re-qualification.

Regards,

Ashfaq Anwer

http://thepetrostreet.com
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Anonymous Poster
#3

Re: SMAW and GTAW Welding Process

08/05/2010 2:52 AM

Yes.You can create seperate WPS for GTAW as well SMAW ,subject to covering SEC.IX essentail variables.
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