Square tubes are a type of rectangular tubing. Many materials can be used to form square tubes, depending on their purpose and application. Most square tubes are made of steel, which is unpacked, flattened, rolled, and welded into a round tube, then rolled into a square tube and cut to the required length. They are typically packaged in bundles of 50. In terms of stock, larger sizes are most common, ranging from 10*10*0.8-1.5 to 500*500*10-25. Square tubes are categorized by application, including structural square tubes, decorative square tubes, building square tubes, and machinery square tubes.
Square tube is a type of rectangular tubing, meaning a steel pipe with equal sides. It is made by rolling steel strips through a specific process.
| Specification(mm) | Specification(mm) | Specification(mm) | Specification(mm) | Specification(mm) | Specification(mm) |
|---|---|---|---|---|---|
| 16×16×0.4～1.5 | 60×60×1.5～5.0 | 400×400×8.0～14.0 | 250×250×6.0～14.0 | 75*75*2.0-6.0 | 220*200*4.0-16 |
| 18×18×0.4～1.5 | 70×70×2.0～6.0 | 420×420×10.0～14.0 | 280×280×6.0～14.0 | 80*80*2.0-8.0 | 250*250*6.0-16 |
| 20×20×0.4～1.5 | 75×75×2.0～6.0 | 450×450×10.0～14.0 | 300×300×8.0～14.0 | 90*90*2.0-8.0 | 280*280*6.0-16 |
| 25×25×0.6～2.0 | 80×80×2.0～6.0 | 480×480×10.0～14.0 | 320×320×8.0～14.0 | 100*100*2.0-12 | 300*300*6.0-16 |
| 30×30×0.6～4.0 | 100×100×2.0～8.0 | 500×500×10.0～14.0 | 350×350×8.0～14.0 | 120*120*3.0-12 | 350*350*8.0-16 |
| 34×34×1.0～2.0 | 120×120×4.0～8.0 | 550×550×10.0～40.0 | 20*20*0.6-2.0 | 125*125*3.0-14 | 400*400*8.0-16 |
| 35×35×1.0～4.0 | 150×150×6.0～10.0 | 600×600×10.0～40.0 | 25*25*0.6-2.0 | 130*130*3.0-12 | 450*450*10-20 |
| 38×38×1.0～4.0 | 180×180×6.0～12.0 | 700×700×10.0～40.0 | 30*30*0.8-3.0 | 140*140*3.0-12 | |
| 40×40×1.0～4.5 | 200×200×6.0～12.0 | 800×800×10.0～50.0 | 40*40*0.8*4.0 | 150*150*3.0-12 | |
| 44×44×1.0～4.5 | 85×85×2.0～6.0 | 900×900×10.0～50.0 | 50*50*1.0*5.0 | 160*160*4.0-12 | |
| 45×45×1.0～5.0 | 95×95×2.0～8.0 | 1000×1000×10.0～50.0 | 60*60*1.2-6.0 | 180*180*4.0-12 | |
| 50×50×1.0～5.0 | 380×380×8.0～14.0 | 220×220×6.0～14.0 | 70*70*2.0-6.0 | 200*200*4.0-14 |
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