AISI 310S UNS S31008 EN 1.4845 AISI 314 UNS S31400 EN 1.4841 Types 310S SS and 314 SS are highly alloyed austenitic stainless steels designed for service at elevated temperature. The high Cr and Ni contents enable this alloy to resist oxidation in continuous service at temperatures up to 2200°F...