cold formed structural square tube from China
Cold formed square tubes are the mostly chosen hollow section for construciton application, such as bridges, shipbuilding, steel roof, steel poles, railways, airport etc.
Specification Range
Normal Size
Dia(mm) | T(mm) | Dia (mm) | T(mm) | Dia (mm) | T(mm) |
30*30 | 2-4 | 120*120 | 2-14 | 250*250 | 8-25 |
40*40 | 2-4 | 125*125 | 2-14 | 255*255 | 8-25 |
50*50 | 2-5 | 130*130 | 2-14 | 258*258 | 8-25 |
60*60 | 2-5 | 135*135 | 8-14 | 260*260 | 8-25 |
70*70 | 2-5 | 140*140 | 8-20 | 280*280 | 8-25 |
75*75 | 2-5 | 150*150 | 8-22 | 300*300 | 9-25 |
80*80 | 2-8 | 160*160 | 8-22 | 350*350 | 9-25 |
90*90 | 2-9 | 180*180 | 8-22 | 360*360 | 9-25 |
100*100 | 2-14 | 200*200 | 8-25 | 400*400 | 9-25 |
110*110 | 2-14 | 220*220 | 8-25 |
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115*115 | 2-14 | 240*240 | 8-25 |
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Dia(mm) | T(mm) | Dia(mm) | T(mm) | Dia(mm) | T(mm) |
60*20 | 2-3 | 80*40 | 2-6 | 110*60 | 5-8 |
60*30 | 2-3 | 90*40 | 2-6 | 110*70 | 5-10 |
60*40 | 2-6 | 90*50 | 2-6 | 120*60 | 5-8 |
70*20 | 2-3 | 100*20 | 2-4 | 120*80 | 5-10 |
70*30 | 2-3 | 100*30 | 2-4 | 120*100 | 5-14 |
70*40 | 2-6 | 100*40 | 2-4 | 125*90 | 5-10 |
70*50 | 2-6 | 100*50 | 2-6 | 125*100 | 5-14 |
75*45 | 2-6 | 100*80 | 4-9 | 130*120 | 5-14 |
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| 140*80 | 5-6,8-10 |
Big Size
Dia (mm) | T(mm) | Dia (mm) | T(mm) | Dia (mm) | T(mm) |
180*100 | 5-14 | 300*200 | 7-25 | 400*250 | 7-20 |
200*100 | 6-18 | 300*250 | 7-25 | 400*300 | 7-25 |
200*150 | 5-6,8-25 | 320*200 | 7-25 | 420*350 | 7-25 |
250*100 | 5-14 | 350*100 | 7-18 | 450*150 | 7-18 |
250*200 | 6-25 | 350*200 | 7-25 | 450*250 | 7-22 |
250*225 | 6-25 | 350*250 | 7-25 | 500*300 | 7-25 |
300*100 | 7-18 | 350*300 | 7-25 | 600*200 | 7-18 |
300*150 | 7-18 | 400*200 | 7-18 | 600*400 | 8-25 |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.