Dear experts,
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-- Could you please check and advise the below query.
- Whether the back purging is a quality requirement or the ASME code is insisting on back purging on SS material while doing the GTAW process.
- Whether we can qualify SS -GTAW PQR without back purging or the ASME code does not allow doing PQR for austenitic steels without a back purge?
- Kindly advise how to do it without purging in SS GTAW Welding . Planning for PQR as well
Thanks and Regards,
E. Anand,
Lead QA-QC,
Sohar,
Oman.
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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