1. Stainless Steel Socket Welding Flange 2. Size: 1/2"-80" 3 ... .FLANGETypePlate Flange, Lap Joint Flange, Threaded Flange, Socket Welding Flange, Blind Flange, Slip-on Flange, etc.TechnicsForged, ... F46, F52, F56, F60, F65, A350 LF2 ,Stainless steel: ASTM A182 F1, F5, F9, F22, F91, 310/ ... . Pls send us the detailed requirement of stainless steel socket welding flange, such as size, material, standard, etc ...