Interpretation Detail  
Standard Designation: BPV Section VIII Div 1
Edition/Addenda: 2013 Edition
Para./Fig./Table No: UW-2(a), UCL-34
Subject Description: PWHT requirement for Clad Vessels for Lethal Service
Date Issued: 03/11/2015
Record Number: 14-1910
Interpretation Number :
Question(s) and Reply(ies):

For a P No 1 material , does General Note (b)(3)(e) of Table UCS-56-1 provide an exemption to postweld heat treatment of the weld overlay cladding applied to a carbon steel vessel that is designated to be in lethal service?

Reply: Yes.

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