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Regarding PQR testing

Regarding PQR testing

Postby smart22ash » Sat Mar 04, 2017 12:51 pm

Dear Experts ,
We have qualify WPS as per API 1104 for various pipeline dia . The process is GMAW mechanized . I would like to know if we have to use other batch apart from qualified one whether we need to re-qualify PQR or we can use same PQR with electrode mfg certificate of testing .
Also I am having another doubt , Main welding WPS (SMAW) qualified welder can be used for repair WPS (SMAW) or not ?
Regards,
Ashish
smart22ash
 
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Joined: Fri Sep 06, 2013 6:52 am

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