cold galvanized steel pipe 1.OD:21.3-219. ... 12M 4.MOQ:10 TON Product Namecold galvanized steel pipeSizeOD20~457mm(1/2inch~18inch) in theoryThickness1.2 ... , Thread With Couplings Or Sockets;Plastic Caps And Steel Rings Can Be Provided If PossibleSurfaceBared, Galvanized, Oiled ... and Visual Inspection, Also With NDTTechniqueHot Rolled Or Cold Rolled ERWPackageHexagon Shape Package, Covered With Tarpaulin Or ...