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Steel Hollow Section- Steel Structural Component We are delighted to supply the series of cold formed products such as square steel tubes, rectangular steel tubes and circular steel tubes. With the size range from 10x10 to 300x300, wall thickness from 2 to 19mm. Specifications of Steel Square Tube 1.Square Dimension: 40mm*40mm-400mm*400mm 2.Wall thickness:3-16mm 3.Length: 6-12m(suitable for shipping container packing) ,can be cutting as customers requirements 5.Zinc coating: Pre-galvanized steel square tube: 60g/m2-150g/m2; Galvanized steel square tube:200g/m2-400g/m2; 6.Standards:ASTMA53,BS1387-1985,GB/T3091-2001,GB/T13793-92, GB/T6728-2002 7.Materials:Q195,Q215,Q235,Q345 8.Processingz: cold formed or hot formed 10. Application: mechanical, manufacture, steel structure, ship building,bridging,automobile chassis  Engineering Specifications: - Torsional shear constant of cross-section - Moment of inertia of cross-section - Torsional stiffness constant of cross-section - Governing radius of gyration, elastic section modulus and plastic section modulus Some of these specifications are for both X-X and Y-Y axes. For exact specification for each nominal size and wall thickness, please see other sources. 
Feature of Steel Square Tube- Excellent equipment - Capacity of producing high accurate - Heat treatment technical equipment - Strict quality management - Strong technology and development Cutting and slitting can be customed as customers' request. |
