... : Q235B, A105,16Mn, 316L 20#; Stainless steel; Alloy steel forged flange Flanges of welding neck, socket welding, threaded, blind, slip on ... sizes 1. Standard:(forged flange)ANSI,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST-128202. Type:Plate,Slip-on,Welding Neck ... time:Within 30days for 1000tons10.Supply Capacity: 10000tons per year High quality forged flange