Jul 15, 2025 #1 Cormet Petroleum Joined Jul 3, 2007 Messages 11 Location US This just came in..... low Cr piping welding (1¼Cr, 2¼Cr, 5Cr and 9Cr), We need two minimum PWHT cycles Is this a code requirement from B31.3??? Thanks,
This just came in..... low Cr piping welding (1¼Cr, 2¼Cr, 5Cr and 9Cr), We need two minimum PWHT cycles Is this a code requirement from B31.3??? Thanks,
Yesterday at 2:25 PM #2 XL83NL Mechanical Joined Mar 3, 2011 Messages 3,124 Location NL Your answer lies in B31.3 para. 331. Upvote 0 Downvote