QW-302.4 requires a visual examination per QW-194. QW-194 requires complete joint penetration and complete fusion. Concavity would be considered not complying with the requirement for complete joint penetration. However, undercut within manufacturers quality requirements would be acceptable as per Interpretation IX-01-03.
Enjoy.
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of anil kumar
Sent: Thursday, October 20, 2016 10:35 AM
To: Materials & Welding
Subject: [MW:25576] regarding under cut and concavity in welder qualification
Dear Sir,
1.please provide me acceptance values for under cut and concavity for welder qualification(asme sec9).
2. is it true that as per ASME sec 9 undercut is not consider for welder qualification.
Thank you
Anil Kumar
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