... , BS flanges, 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, F22, F91 ... /2615JIS: JIS B2313 EN: EN10253-1/2, EN10253-2 STAINLESS (CARBON) STEEL FLANGE