... , A105,16Mn, 316L 20#; Stainless steel; Alloy steel ansi flange Flanges of welding neck, socket welding, threaded, blind, slip ... from 300 to 2500 lbs are in accordance with ANSI B 16.36.Blind, slip on, welding neck ... in different shapes and sizes 1. Standard:(forged flange)ANSI,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129, ... for 1000tons10.Supply Capacity: 10000tons per year High quality ansi flange