Pre-galvanized steel rectangular pipes Thickness range: 0.5-2.0mm Outer diameter: 20x10-200x100mm Length: 4-12m Zinc:30-180g Material: q195, q235, q345a53-369, a500 Standard: astm a53-2007, astm a106-2006 Technology: erw Sinostar main products: steel pipes, steel round pipes, steel square pipes, steel rectangular pipes , steel pipe, pre galvanized steel pipes, steel square pipes, pre-galvanized steel round pipes, steel rectangular pipes and all kinds of hardware products. Our sales network spreads all over the usa, europe, south america, africa, middle east and southeast asian countries.
