... ,JIS,BS,GB Carbon Steel Flange,Forged Carbon Steel Flanges, Forged DIN FlangesStandard:ASTM A182, A105, ANSI B16.5, B16.47, B16.48, B16.36DIN2527, DIN2566, DIN2573, DIN2576 ... Standard:ANSI B16.5, ANSI B16.47, B16.48, B16.36, MSS SP44 Types:Welding Neck Flange, Slip on Flange, Threaded Flange,Socket Welding Flange, Blind Flange, Orifice Flange,Ring Joint ...