... Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread Flange, Screwed ... DIN flanges, EN1092-1 Flanges(3) Material: Stainless steel flanges ASTM A182 F304/304L, F316/316L, F316H, F310 ... , F321F44 (UNS S31254) Alloy Steel flanges ASTM A182 F1, F5a, F9, F11, F12, ... : EN10253-1/2, EN10253-2 STAINLESS (CARBON) STEEL FLANGE