100X100mm Carbon Steel Square Tube for Construction
1. Square Steel Pipe Tube Product Show:

2. Our Quality Control

3. Our Workshop and Facility: Our factory is located in Hebei province.
We have 65 high frequency pipe welders with an annual production of 2 million tons.In addition, we established one warehouse more than 10k square meters in Hangzhou to supply pipes to south China.

4. Square Steel Pipe Tube Application:
Square pipes are widely used on structure, furniture, and railing field.

5. Other Information:
1. Material: ASTM A500 Q195 Q235 Q345 S275JR, S355JR, etc.
2. Production Technique: ERW Welded
3. Specification: 10X10mm~400X400mm
Thickness: 0.5mm~16mm
Length: 6m or cut as request
Addition:
1: Anti-corrosion and high-temperature resistant with hot dipped galvanizied coating or painting.
2: All the production process are made under the ISO9001: 2000 strictly
3: With BV certificate, PC certificate, ISO9001-2000, SGS inspection.
4. Standards: ASTM A500, BS1387-1985, GB/T3094-2008, JIS3466, GB/T6728-2002
5. Packing: 1. Galvanized: Packed by steel strips
2. Black steel hollow: Packed by steel strips and tarpaulin
3. Woven cloth with 7 slats
4. According to the requirements of customers
6. Usage: Mechanical & manufacture, Steel structure, Ship building, Bridging, Automobile chassis, construction, etc.
7. Main market: Middle East, South American, Africa, Asia and some European country and America, Australia, etc.
8. Zinc coating(if): Pre-galvanized: 50-120G/M2; Hot DiP galvanized: 200-400G/M2
9. Productivity: 6, 000 Metric Tons per Month
10. Remark:
A. Payment terms: T/T, L/C
B. Terms of trade: FOB, CFR, CIF, DDP, EXW
C. Minimum order: 1 tons
D. Lead time: 7-20 days. Square Steel Tube (mm) | Rectangular Steel Tube (mm) | Round Steel Tube (mm) |
10×10×0.6~3.0 | 10×20×0.6~3.0 | 6x0.6~1.0 |
15×15×0.6~3.0 | 20×30×0.6~3.0 | 12x0.6~1.5 |
20×20×0.6~3.0 | 20×40×0.6~3.0 | 13x0.6~1.5 |
25×25×0.6~3.0 | 25×50×0.6~3.5 | 16x0.6~2.0 |
30×30×0.6~3.5 | 30×50×0.6~3.5 | 19x0.6~3.0 |
40×40×0.6~3.5 | 40×60×0.6~3.5 | 20x0.6~3.0 |
50×50×0.6~3.5 | 40×80×0.6~3.5 | 22x0.6~3.0 |
60×60×0.6~3.5 | 60×80×1.0~6.0 | 25x0.6~3.0 |
70×70×0.6~3.5 | 50×100×1.0~6.0 | 27x0.6~3.0 |
75×75×0.6~3.5 | 60×120×1.0~6.0 | 32x0.6~3.0 |
80×80×1.0~6.0 | 80×120×2.0~8.0 | 40x0.6~3.5 |
100×100×2.0~8.0 | 80×160×2.0~8.0 | 38x0.6~3.0 |
120×120×2.0~8.0 | 100×150×2.0~8.0 | 48x0.6~3.5 |
150×150×2.0~8.0 | 100×200×2.0~8.0 | 60x0.6~3.5 |
200×200×4.0~16.0 | 150×250×4.0~12.0 | 76x0.6~3.5 |
250×250×4.0~16.0 | 200×300×4.0~16.0 | 89x1.0~6.0 |
300×300×4.0~16.0 | 300×400×4.0~16.0 | 104x1.0~6.0 |
400×400×4.0~16.0 | 300×500×4.0~16.0 | 114x1.0~6.0 |