Material: Stainless steel Size: 1/2"_48(DN15_DN1200) Flanges ... , DIN flanges, EN1092-1 Flanges (3) Material: Stainless steel flanges ASTM A182 F304/304L, F316/316L, F316H, F310 ... , F321 F44 (UNS S31254) Alloy Steel flanges ASTM A182 F1, F5a, F9, F11, F12, ... Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue & Groove, Small Tongue & Groove ( ...