Apr 17, 2003 #1 GGEFAB Petroleum Joined Apr 17, 2003 Messages 2 Location US What effect will stress relieving 2.25%Cr 1%Mo material at 1200F for 1.5 hours have on hardness in the HAZ after welding if we extend the cooldown period. Will it increase the hardness or decrease the hardness.
What effect will stress relieving 2.25%Cr 1%Mo material at 1200F for 1.5 hours have on hardness in the HAZ after welding if we extend the cooldown period. Will it increase the hardness or decrease the hardness.
May 18, 2003 #2 grampi1 Materials Joined May 16, 2003 Messages 122 Location US Will decrease the hardness. Upvote 0 Downvote