Manufacturers & Suppliers of ASTM A182 Duplex Steel S32205 SWRF Socket Weld Flange, 2\" ASME B16.5 Class 600# Socket Weld Flanges, ASME SA182 2205 Duplex SWRF Socket Weld Flanges, ANSI B16.5 SWRF, DIN 1.4462 Socket Weld Flange, UNS S32205 SWRF Flange.