10 Inch Spectacle Blind, ASTM A105, 600#, API 590, Ff Shanxi Shuanglin Forging Co. Ltd Base Info Standard:ANSI, DIN, GB, JIS, GOST, BSWType:Welding FlangeMaterial:Carbon SteelManufacturing Way:Forging Description Pre:ANSI 600 Lb RF-Wn-Std Galvanized Flange Next:Hz 4103 Fixed Screw