... , A105,16Mn, 316L 20#; Stainless steel; Alloy steel Forged Flange Flanges of welding neck, socket welding, threaded, blind, slip on, lap joint ... can be manufactured in different shapes and sizes 1. Standard:(forged flange)ANSI,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129 ... ,GOST-128202. Type:Plate,Slip-on,Welding Neck.Thread,Socket weld,Blind3. Size:1/2-78 inch (DN15-DN2000)4 ...