Socket Weld Flanges 1.Size: 1/8"~48", 2.Export All ... ,OEM, Flange Specification Size1/8"-48"TypeWNRF, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice Flange, Swivel Flange, Spectacle Blind ... .Duplex stainless steelASTM A182 F51/F53/F55/F60 Nicke alloysNickel 200, Monel 400, Inconel 600/625, Incoloy 825/800Cu-Ni90/10 ...