Hi,
In one of our project 3/4 Inch weld Boss is welded to 8 Inch Blind Flange, Connection type is Set On Welding. My clarification is on PWHT requirement.
Construction Code : ASME B31.8
Blind Flange : 8 Inch 900# (Wall Thickness 63.5mm), MOC : ASTM A105N
Weld boss : 3/4 Inch 6000# (wall...