Appears to be an error. All UNS K90901 (“91” alloy) were to be changed to P-No. 15E with publishing of 2009 Edition.
Use P-No. 15E
John
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of srinivasu
Sent: Wednesday, May 18, 2011 4:40 AM
To: materials-welding@googlegroups.com
Subject: [MW:11080] SA-213 Gr.T91
Dear Experts
What's the P.No. of Material Specification of SA-213 Gr.T91?
I refer Sec.IX 2010 Edition as per QW-422 - it's P.No.5B Gr.No.2
as per Appendices-D - it's mentioned P.No.15E Gr.No.1
Which one is the correct?
With Regards
Srinivasu V
Welding Engineer
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