Alloy 80S-B2 description:
Key Features:
Designed for welding on 1-1/4 Cr / ½ Mo steels, which are used for high temperature service.
Preheating and interpass temperatures of not less than 300°F must be used during welding.
Conformances:
AWS/ASME Spec 5.28
AWS Class ER80S-B2
UNS K20900