... : 1/2"~60", ANSI, DIN,JIS,BS,GB Carbon Steel Flange,Forged Carbon Steel Flanges, Forged DIN FlangesStandard:ASTM A182, A105, ANSI ... :5K 10K 16K 20K 30K SIZE:DN10~DN1500 MATERIAL: Carbon Steel:ASTM A105, ASTM A350 LF1,LF2, CL1/CL2, LF3 CL1 ... /CL2; Stainless Steel:ASTM A182 F304/304L, F316/316L, F316H,F316Ti, F321,F310 ...