Professional Alloy Steel Casting Welding Flange (ZH-CF-002) Shanghai Z&H Hardware Co., Ltd. Base Info Model NO.:ZH-CF-002Standard:ANSI, DIN, GBType:Welding FlangeMaterial:Alloy SteelManufacturing Way:CastingProduct Name:Casting Welding FlangeModel Number:Zh-CF-002Origin:Shanghai, China Description Pre:Carbon Steel Casting Flat Flange (ZH-CF-001) Next:Plastic PE Hexagonal Bolt Nut Covers for Bolt Hexagon Inner Cap