
ER90S-B9 for P91 & T91
AWS A5.28 ER90S-B9 solid welding wire for P91, T91, F91 and compatible 9Cr-1Mo-V-Nb steels used in high-temperature and creep-resistant applications. ER90S-B9 is a 9% chromium, 1% molybdenum low-alloy welding wire designed for welding compatible heat-resistant steels used in demanding high-temperature service. Its controlled additions of vanadium, niobium and nitrogen support the required weld-metal properties for creep-resistant steel applications.










