... Flanges of welding neck, socket welding, threaded, blind, slip on, lap joint are in accordance with ANSI B 16 ... BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST-128202. Type:Plate,Slip-on,Welding Neck.Thread,Socket weld,Blind3 ... -rust Paint,Zinc,6. Inspection:factory in-house self check or Third Party inspection7. Packing:No Fumigate ... for 1000tons10.Supply Capacity: 10000tons per year High quality forged flange