... /2"-160" Material:Carbon steel: Q235B, A105,16Mn, 316L 20#; Stainless steel; Alloy steel forged flange Flanges of welding neck ... manufactured in different shapes and sizes 1. Standard:(forged flange)ANSI,JIS,DIN,BS4504,SABS1123,EN1092-1 ... 2-78 inch (DN15-DN2000)4. Material:Carbon steel: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22. ... .Supply Capacity: 10000tons per year High quality forged flange