--Dear Experts,
I hope this message finds you well.
I would like to seek your clarification regarding the applicability of an existing WPS.
We have successfully qualified a WPS for welding SS316L to Super Duplex using ER2594 filler metal. Both base materials are classified under P-No. 8 to 10H, and the filler metal falls under F-No. 6.
However, our actual production requirement involves welding SS316L to Duplex Stainless Steel using ER2209, which also falls under F-No. 6, and the base metals remain under P-No. 8 to 10H.
As per ASME Section IX, since the base metal P-Numbers and filler metal F-Numbers remain unchanged, could you please confirm whether the existing WPS is valid for this application as well, or if a new qualification is required?
Thank you in advance for your guidance and support.
Regards,
Nambirajan A
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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