Main Products: 
Structural Building Square Steel Pipe , High Frequency Welding Steel Rectangular Tubing
USD $25*25*1.8 - $25*25*1.8 /Piece
Min.Order:1 Piece
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Product Details
Structural Building Square Steel Pipe , High Frequency Welding Steel Rectangular Tubing
Hot rolled black iron Hollow section Square Steel pipe 25*25*1.8 Project material
Square steel pipe
Description
Square steel pipe was a kind of sqaure hollow section.It is hot rolled and high-frequency welding from HR or CR steel strip & steel coil.
The standard of the square pipe can be split into GB square pipe,JIS square pipe,BS square pipe,ASTM square pipe,European square pipe and square pipe in non-standard.
Square steel pipe normally used for construction,machinery making and steel structural building,ship building,electrical project,agriculture and chemical machinery macking,house building,pressure container,oil stock,bridge building & some other high pressure brackets.
Specification
Square steel pipe size list:
| Size (MM) | Thinckness (MM) | Size (MM) | Thinckness (MM) | Size (MM) | Thinckness (MM) | Size (MM) | Thinckness (MM) |
| 20*20 | 1.0 |
60*60 50*70 40*80 50*80 70*70 60*80 100*40 |
1.3 |
120*120 140*80 160*80 75*150 100*150 160*60 |
2.5~2.75 |
300*450 300*500 400*400 |
4.5~5.75 |
| 1.3 | 1.4 | 3.0~4.0 | 7.5~11.75 | ||||
| 1.4 | 1.5 | 4.25~4.75 | 12.5~13.75 | ||||
| 1.5 | 1.7 | 5.25~6.0 | 14.5~14.75 | ||||
| 1.7 | 1.8 | 6.5~7.75 | 15.5~17.75 | ||||
| 2.0 | 2.0 | 9.5~15 |
450*450 200*600 300*600 400*500 400*600 500*500 |
4.5~5.75 | |||
|
25*25 20*30 |
1.3 | 2.2 |
130*130 80*180 140*140 150*150 200*100 |
2.5~2.75 | 7.5~7.75 | ||
| 1.4 | 2.5~4.0 | 3.0~3.25 | 9.5~9.75 | ||||
| 1.5 | 4.25~5.0 | 3.5~4.25 | 11.5~13.75 | ||||
| 1.7 | 5.25~6.0 | 4.5~9.25 | 14.5~15.75 | ||||
| 1.8 | 9.5~15 | 16.5~17.75 | |||||
| 2.0 |
90*90 75*75 80*80 60*90 60*100 50*100 60*120 50*120 80*100 |
1.3 |
160*160 180*180 250*100 200*150 |
2.5~3.25 | |||
| 2.2 | 1.5 | 3.5~5.0 | |||||
| 2.5~3.0 | 1.7 | 5.25~7.75 | |||||
|
25*40 30*30 20*40 30*40 |
1.3 | 1.8 | 9.5~15 | ||||
| 1.4 | 2.0 |
150*250 100*300 150*300 200*200 135*135 |
2.75 | ||||
| 1.5 | 2.2 | 3.0~3.25 | |||||
| 1.7 | 2.5~4.0 | 3.5~7.75 | |||||
| 1.8 | 4.25~5.0 | 9.5~12.5 | |||||
| 2.0 | 5.25~5.75 | 12.75~15.75 | |||||
| 2.2 | 7.5~7.75 |
200*300 250*250 100*400 200*250 |
3.5~3.75 | ||||
| 2.5~3.0 |
100*100 80*120 125*75 140*60 50*150 |
1.5 |
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