... A53,GB/T8162,GB/T8163 2.OD:12-914mm 3.WT:2-60mm Hot Dipped Galvanized Seamless Steel Pipe1.Standard: ... , industrial pipeline networks, foundation, construction.5.Surface: oiled, varnished, black-painted, galvanized, 3PE anti-corrosion, etc6.Pipe ends ... 5). grooved ends7.Packing: 1). In bundles, with weaving bags wrapping outside 2). In bare bundles or according to your requirement. Hot Dipped Galvanized ...