... 2.all sorts of design 3.ISO,SGS 4.various type stainless steel flange Type:Slip On Flange, Welding Neck Flange, Socket Welding ... -1-1992EU:BS EN 1092-1-2008Material:Austenitic stainless steel:F304,F304L,F304H,F316,F316L,F316H,F317,F317L,F347H, ... F310S,F310H,F321,F321HSuperaustenitic stainless steel:S31254Duplex stainless steel:S31500,S31803(2205),S32304,S32205,S32760,S32750,HDRCopper ...