... 316L 20#; Stainless steel; Alloy steel forged flange Flanges of welding neck, socket welding, threaded, blind, ... are in accordance with MSS SP 44 standard.Flanges with long welding neck are from classes ... flanges can be manufactured in different shapes and sizes 1. Standard:(forged flange)ANSI,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST ... Capacity: 10000tons per year High quality forged flange