Description:Product Name: Rectangular Steel PipesPlace of Origin: ChinaWith an annual production capacity of 1,000,000MT, our company has 27 sets of high-frequency welded pipe production lines for diameters between 0.5" and 8". We have installed a new and complete galvanized welded pipe production line, and plans are in place to add square pipe and U-shaped steel production lines in 2007. All equipment has the highest technical capabilities and the most stable performance. We can supply butt weld pipe and hot galvanized steel pipe for energy, transportation, light industry, machinery, and construction fields. Our products are also used in auto fabrication, supermarket racks, container fabrication, industrial plant structures, motorcycles, bicycles, doors and windows and furniture. They have a range of tempers and guaranteed mechanical properties to comply with all major world standards. Specifications: 1) Production scope: a) Round pipes: 0.5 - 8" (20 - 219mm) b) Shaped pipes: 13 x 13 - 100 x 50mm c) Thickness: 0.5 - 6mm 2) Tolerance of outer diameter: within±0.5mm 3) Uses: bicycles, motorcycles, motors, fitting apparatuses, leisure and traveling goods, steel furniture, buildings