... Standard: ANSI. DIN, EN1092-1, JIS, BS4504, UNI. )2) Type: WN, SO, PL, BL, THRD, LAP-JOINT, SW. 3) Process: Free Forging ... alloy steel, stainless steel 6)Slip-on, Welding Neck, Blind, Threades ,Lap-joint, Socket welding...we have enjoy great reputation ... delivery timenamestainless steel flangetypeWeld-neck flange, slip on flange, Blind Flange,Threaded Flange,Socket-weld Flange Lap Joint Flange ,Orifice ...