ỐNG ĐÚC HỢP KIM ASTM A213 T91
ASTM A213 T91 is part of ASTM A213 for seamless Ferrust and Austenitic alloy boilers, high-speed boilers, and heat exchangers. ASTM A213 T91 standards include seamless ferritic and austenitic steel boilers, superheated units and heat exchangers. These different requirements provide higher than normal creep breaking intensity that can be ...