5′′ 150# Carbonsteel Q235 ANSI B16.5 Blind Flange Dingxiang Beicheng Flange Co., Ltd. Base Info Standard:ANSIType:Blind FlangeMaterial:Carbon SteelManufacturing Way:Forging Description Pre:20′′ 150lb Stainless Steel 316L ANSI B16.5 Blind Flange Next:Blind Flange 18 Inch 150lb ANSI B16.5 Carbon Steel Q235