DIN CS Ss Alloy Steel Threaded Flange Shanxi Shuanglin Forging Co. Ltd Base Info Model NO.:forgedStandard:ANSI, DIN, GB, JIS, GOST, BSWType:Welding FlangeMaterial:Carbon SteelManufacturing Way:Forging Description Pre:ASTM A234 Wpb Carbon Steel Butt Welding Tee/Reducer/Elbow Next:Forged Lap Joint Flange