It is included in B31.1 as P5B in old editions, however this material is regrouped as P15E in latest edition of ASME BPV Sec IX, , pl refer the table below.
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of ASIF
Sent: Tuesday, September 27, 2011 10:42 AM
To: materials-welding@googlegroups.com
Subject: [MW:12545] PWHT Requirement for SA 335 P91 (or P no. 5B Group 2)
Dear experts!
Project : Solar Power Plant
Construction Code ASME B31.1
ASME Sec IX
PWHT Requirement - SA 335 P91 or P no. 5B Group 2 material is not included in 132 Para and Table of B31.1, and also,
ASME Sec IX para QW-407 do not mention this material group.
Client Specification do not mention this requirement separately
Please advise! do we need to go for PWHT ?
No comments:
Post a Comment