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Requirements & Details: Square Tube Dimension: 20mm*20mm-1000*1000mm Rectangular Tube Dimension: 20mm*30mm-600mm*1000mm Wall Thickness: 2mm-35mm Length: 6m-12m , or as per customers requirements Steel Grade: Q195, Q235, Q345(16Mn), STKR400/490, A500, ST37/44/52, S235, S275, S355, etc. Standards:DIN EN10210,EN10219,GB/T3094-2000,ASTM A500,JIS G 3466,GB/T6728-2002 Surface Treatment: anti-rust oil, black painting, galvanizing Packing: in bundles with steel strips or in bulk as per customer request Applications: Construction framework, trestle, motorcar cassis,flight terminal framework, shipbuilding, automobile axle pipe, MRT and so on The mostly used sizes ( for seamless and welded square steel pipe) are as below: 30 * 30 *( 2-4mm) 50 * 50 *( 2-5mm) 80 * 80 *( 3-10mm). 100 * 100 *( 3-16mm) 135 * 135 *( 4-16mm) 140 * 140 *( 4-18mm). 150 * 150 *( 4-20mm) 180 * 180 *( 5-20mm) 220 * 220 *( 6-20mm). 250 * 250 *( 5-25mm) 300 * 150 *( 6-20mm) 300 * 180 *( 8-20mm). 500 * 500 *( 8-25mm) 400 * 400*( 8-22mm) 450 * 450 *( 8-22mm). 300 * 200 *( 6-20mm) 350 * 300 *( 8-22mm) 350 * 350 *( 8-22mm). 400 * 250 *( 8-25mm) 450 * 300 *( 8-25mm) 450 * 480 *( 9-25mm). 500 * 300 *( 8-25mm) 600*400*(8-30mm) If you have any interest, please don't hesitate to contact us. Feel free to contact us if any further questions,we will serve you as soon as possible.
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Square Tube, Rectangular Tube is a steel product for structural and industrial use. It is available in square tube dimensions from 20mm*20mm to 1000mm*1000mm and rectangular tube dimensions from 20mm*30mm to 600mm*1000mm, with wall thickness ranging from 2mm to 35mm and standard lengths between 6m and 12m. Steel grades include Q195, Q235, Q345(16Mn), STKR400/490, A500, ST37/44/52, S235, S275, S355, and others, meeting standards such as DIN EN10210, EN10219, GB/T3094-2000, ASTM A500, JIS G 3466, and GB/T6728-2002. Surface treatments consist of anti-rust oil, black painting, and galvanizing, with packaging in bundles using steel strips or in bulk according to customer needs.
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Hebei Borun Steel Trade Co., Ltd is a B2B supplier based in China, listed on Global Trade Plaza since October 2026. Use Inquire now or Chat with supplier to ask Hebei Borun Steel Trade Co., Ltd for prices, specifications and documents for Square Tube, Rectangular Tube.
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Hebei Borun Steel Trade Co., Ltd, a B2B supplier from China, dispatches Square Tube, Rectangular Tube primarily through the port at China. Packaging types (e.g., bulk, custom, eco-friendly) and estimated pricing may vary based on order volume and destination. To get detailed logistics and pricing information, use Get a quote or Chat with supplier, or Sign Up for direct supplier interaction.