... Flange, Flat Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread Flange, Screwed Flange, Lap Joint Flange ... (2) Flanges Standards: ANSI Flanges, BS flanges, DIN flanges, EN1092-1 Flanges(3) Material: Stainless steel flanges ASTM ... F321F44 (UNS S31254) Alloy Steel flanges ASTM A182 F1, F5a, F9, F11, ...