Hot Dip Construction Welded Galvanized Steel Pipe

Hot Dip Construction Scaffolding Welded Galvanized Steel Pipe.Galvanized steel is generally plated with a layer of zinc on low carbon steel, and the galvanized layer is generally 20um thick. Galvanized steel pipe has the dual advantages of corrosion resistance and long service life, and the price is relatively low, so it is used more and more now. Product Name Hot Dip Construction Scaffolding Welded Galvanized Steel Pipe Standard Bs、Gb、Astm、Jis、Din、Api Material Q195、Q215、Q235、Q345 Technology Erw Tolerance Control with in the standard, OD:+/-1%, WT:+/-5% Chemical Composition C:≤0.3% Mn:≤1.2% P:≤0.05% S:≤0.045% Cu:≤0.40% Ni:≤0.40% Cr:≤0.4…