Welding Neck Flange 1.Material :SS400,A105 ,Q235 ect ... ANSI,ASTM,MSS,JIS,DIN,EN HY carbon steel Welding Neck Flange We started to product flanges from ... etc.2. TypeSlip On Flange, Flat Face Flange, Socket Welding Flange, Blind Flange, Non-standard flange ect.3. Size1 ... requirements10.Delivery time15-30days depends on your quantity11.Supply Capacity700 tons per month HY carbon steel Welding Neck Flange