ANSI B16.5 Stainless Steel Flanges 1) Third-Party Inspection 2) Free Samples 3) Competitive Price 4) Nice Packing Stainless Steel Flanges Type: ... F316H,F317,F317L,F347H,F310S,F310H,F321,F321HSuperaustenitic stainless steel:S31254Duplex stainless steel:S31500,S31803(2205),S32304,S32205,S32760,S32750,HDRCopper ... from round bar,CNC machining,Drilling and Passivating ANSI B16.5 Stainless Steel Flanges