1.steel pipe flange,ansi flange,tube flange for pipe joint 2.1/2'' to 60'' 3.high quality 4.T/T,L/C 5 ... .API,CE,ISO flange steel pipe ... flange,ansi flange,tube flange for pipe joint 1.Products Items:Slip- ... F304/304L, F316/316L, F321, F347, 5 Duplex$super duplex stainless steel ASTM A 182 F51/UNS S31803, F53/UNS ...