The square steel pipe adopts the strip steel that forms the circular tube through a series of processing, like unpacking, leveling, rolling up and welding. Then the circular tube will be rolled and cut into required length with square section. This product is able to work as the manufacturing and processing tube for steel structure, scaffold, furniture, as well as transporting tube for low pressure fluid.
With the top materials of Q195, Q215, Q235, Q345, GR.A and GR.B, this product is manufactured in accordance with the standards of ASTM A 500, GB/T3094, GB/T6728/2002 and so on. Meanwhile, the surface of the product can be coated with oil or paint or keep bare. As for packing, the square steel pipe is usually bundled up in hexagon and wrapped by tarp. The package allows variation based on the needs of customers and delivery methods. In general, the delivery time is about 30 days.
Hot rolled product | Cold rolled product | |||
Dimension (mm) | Wall thickness (mm) | Dimension (mm) | Wall thickness (mm) | |
15×15 | 1.0~2.0 | 10×10 | 30×30 | 0.5~1.5 |
20×20 | 1.0~2.0 | 12×12 | 32×32 | |
25×25 | 1.0~2.0 | 15×15 | 35×35 | |
30×30 | 1.0~2.5 | 16×16 | 37×37 | |
35×35 | 1.0~3.0 | 17×17 | 38×38 | |
40×40 | 1.0~4.0 | 18×18 | 40×40 | |
50×50 | 1.0~4.0 | 19×19 | 45×45 | |
60×60 | 1.0~4.0 | 20×20 | 48×48 | |
70×70 | 1.0~4.0 | 21×21 | 50×50 | |
80×80 | 1.0~5.0 | 22×22 | ||
100×100 | 1.5~5.0 | 24×24 | ||
120×120 | 1.8~5.0 | 25.4×25.4 | ||
150×150 | 1.8~5.0 | 28×28 | ||
200×200 | 2.5~7.25 | 28.6×28.6 | ||
Length | 5.8-12m or as required |
Related Names
Welded Steel Frames | Hollow Structural Sections | Metal Tubing Supply