Cold rolled galvanized steel pipe 1)Thickness:1.0-6. ... d. Cutting head, e. Pickling, f. Grinding, g.Lubrication, h. Cold rolling, i. Degreasing, j. Solution heat treatment, k. Straightening, l ... transport and water supply projects13.Export: Europe, North America, the Middle East, Africa, Asia and other countries and regions, well ... 10.851255140 4 13.421506165 4.5 17.81 Cold rolled galvanized steel pipe