steel SUH310 Steel: AISI 310S Equivalent — Austenitic Heat-Resistant Steel for Furnace Applications up to 1100°C
SUH310 is 25Cr-20Ni austenitic heat-resistant steel for service up to 1100°C — the highest-temperature standard JIS grade for load-bearing furnace applications. Full guide with composition, creep data, carburizing atmosphere limitations, and comparison with SUH309 and SUH330.