1.Special Flanges,carbon flange,steel flange,forged flange 2.Material:stainless steel 3.Standard:ANSI,ASTM,JIS (1) Flanges Type: Plate-type ... , BS flanges, DIN flanges, EN1092-1 Flanges(3) Material: Carbon steel flanges ASTM A105, ASTM A350 LF1, LF2 CL1/CL2, LF3 ... A182 F304/304L, F316/316L, F316H, F310, F321F44 (UNS S31254) Alloy Steel flanges ASTM A182 F1, F5a, F9, F11, F12, F22, F91 ...