square and rectangle pipe

square and rectangle pipe specification: 1.outside size:20*20-400*400, 20*40-400*300 2.material:Q195, Q215, Q235, Q345, ST37, ST52 and so on.3.Criterion for Implementation: GB/T6728, DIN EN 102104.Usage:widely used in Steel Structure, Bridge, Bus, Ship Making etc.5. Main Export Market: Middle East, Southeast Asia, America, South America, Africa and so on.We can also supply other steel pipes like seamless steel pipe, straight seam welded pipe. All of these products have been tested qualified by China's oil industry of the pipe for Quality Supervision and Testing Center and Hebei Iron and Steel Products Quality Inspection Station.Our products are widely used in petroleum, chemical, gas, air-conditioning, low-pressure fluid pipes, steel structures, and so on.To know more about our corporation, kindly visit our website: http://www.hbfixedstar.com.If the items be of interest to you please don't hesitate to contact us, your inquiry will be highly appreciated and quickly treated. We shall be glad to give you our lowest quotations upon receipt of your detailed requirements.With strong technical force and production capacity, we are confident to provide you the most competitive price and satisfying after-sale service. Square pipeSpecification(mm) 20×20×0.6-1.585×85×2.0-6.0Rectangular pipeSpecification(mm)25×25×0.6-2.095×95×2.0-8.020×40×0.8-2.060×80×2.0-6.030×30×0.6-4.0100×100×2.0-8.020×50×1.0-2.080×100×2.0-8.034×34×1.0-2.0120×120×4.0-8.022×35×0.9-2.0120×60×2.5-10.035×35×1.0-4.0150×150×6.0-10.025×40×0.9-3.75120×80×2.5-10.038×38×1.0-4.0180×180×6.0-12.025×65×1.0-2.0150×100×2.5-12.040×40×1.0-4.5200×200×6.0-12.030×40×1.0-3.75180×150×2.5-12.044×44×1.0-4.5220×220×6.0-14.030×45×1.0-3.75200×100×4-12.045×45×1.0-5.0250×250×6.0-14.030×50×1.0-4.0200×150×4-12.050×50×1.0-5.0280×280×6.0-14.030×60×1.0-4.5250×100×6-12.060×60×1.5-5.0300×300×8.0-14.040×50×1.0-4.5250×150×6-12.070×70×2.0-6.0320×320×8.0-14.040×60×1.0-5.0250×200×6-12.075×75×2.0-6.0350×350×8.0-14.040×80×1.5-5.0300×150×6-12.080×80×2.0-6.0400×400×8.0-14.040×100×2.0-5.0300×200×6-12.050×60×2.0-5.0300×250×6-12.050×80×2.0-5.0400×250×8-12.050×100×2.0-8.0400×300×8-12.0