Square Tube

Square Tube

Square tube refers to a kind of tubular product with equal sides. It is manufactured from Q235 hot rolled strip steel, cold rolled strip steel or plate rolling by cold bending cold forming, and then high frequency welding. Our product is usually used in the fields of construction, machinery manufacturing, ship building, house building, agriculture, and boiler construction, etc. It is also suitable for steel structure engineering, electric power engineering, solar power truss, power plant, airport, highway railing, and more.

Our company offers products whose specifications range from 20*20*1.2mm to 220*80*6mm. Easy to manufacture and use, our square tube comes with high fatigue resistance and long service life. Apart from these features, it also has the characteristics of being lightweight, reliable price and quality. So, warmly welcome all customers to cooperate with us.

Theoretical Weight Chart
Model Theoretical Weight (kg/m) Model Theoretical Weight (kg/m)
20*20*1.2 0.75 50*30*2.5 3.02
25*25*1.2 0.94 50*30*3 3.6
40*40*2 2.29 50*32*2 2.2
40*40*2.5 3.02 50*35*2.5 3.32
40*40*4 4.68 55*38*2 2.8
50*50*2.5 3.81 60*40*2.5 3.81
50*50*3 4.44 60*40*3 4.44
50*50*4 5.74 60*40*4 5.74
60*60*2.5 4.52 70*50*4 7.02
60*60*3 5.38 80*60*3 7.09
60*60*4 7.02 80*60*4 8.22
70*70*4 8.22 80*60*5 10.25
70*70*5 10.2 90*40*2.5 5.19
80*80*4 9.96 90*60*5 10.47
80*80*6 13.85 100*60*3 7.3
100*100*4 11.65 100*60*4 9.16
100*100*8 23 100*60*5 11.53
120*120*4 14.16 100*60*4.5 14.41
160*160*4.5 19.2 160*80*4.5 15.84
220*80*6 27.1

As an experienced square tube manufacturer and supplier in China, SBS provides a wide range of products that includes light steel framed assembled container house, gutter for steel structure, I beam steel, truss steel structure building, and more.

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Other Products
  • Round Tube Its diameter ranges from 5mm ~ 85mm. Among these, tube with 5mm diameter weights 0.15 kilogram per meter and tube of 85mm diameter has the weight of 44.55 kilogram per meter. Our round tube is blessed with good corrosion and oxidation resistance after surface treatment. The hollow structure not only ensures its usability, but also effectively reduces construction costs. This product can find its applications including pipes, thermal equipment, petroleum drilling, container, machinery and other special purposes.
  • C Section SteelBeing light weight, C section steel is manufactured by hot rolling and cold bending process. It comes with high strength and good cross-sectional properties. Compared with traditional channel steel, our product will save 30% materials. It is widely used in purlins or wall beams or to combine into light-duty roof trusses and brackets. In addition, this product is ideal for columns, girders, arms, etc. of light manufacturing industry.