Model NO.: ZL-ST
Surface: Black, Bright, Zinc Coating
Square Section: 13X13mm - 400X400mm
Rectangle Section: 10X20mm - 300X400mm
Origin: Tianjin
Model NO.: ZL-ST
Surface: Black, Bright, Zinc Coating
Square Section: 13X13mm - 400X400mm
Rectangle Section: 10X20mm - 300X400mm
Origin: Tianjin
Black Welded Steel Tube
Steel Tube Square Hollow Section/ Rectangle Hollow Section
Specification:
1.Square dimensions: 15*15mm-500*500m.
2.Rectangular dimensions: 10*20mm-400*600mm.
3.Length: 1-14m or according to customer's requirement.
4.Special design is available according to requirement
5.Techniques: cold rolled, hot rolled, high-frequency welding and cold-formed molding technology.
6.Standards: GB/T 6728-2002, ASTM A500, EN 10219, JIS G3466,DIN
7.Usage:Mechanical and manufacture, steel structure, ship building, bridging, automobile chassis.
 The main Products
| Name of products |
size (mm) |
Wall thickness (mm) |
Name of Products |
Size (mm) |
Wall thickness (mm) |
Square
 tubes |
20*20 |
1.3-2.5 |
Rectangular
 tubes |
20*30 |
1.3-2.75 |
| 25*25 |
1.3-2.75 |
20*40 |
1.3-2.75 |
| 30*30 |
1.3-2.75 |
25*40 |
1.3-2.75 |
| 40*40 |
1.3-3.75 |
30*50 |
1.3-4.75 |
| 50*50 |
1.3-5.75 |
30*60 |
1.3-4.75 |
| 60*60 |
1.3-5.75 |
40*50 |
1.3-4.75 |
| 70*70 |
1.3-5.75 |
40*80 |
1.3-4.75 |
| 80*80 |
1.3-5.75 |
50*70 |
1.3-4.75 |
| 90*90 |
1.3-5.75 |
50*80 |
1.3-4.75 |
| 100*100 |
1.2-12 |
60*90 |
1.3-4.75 |
| 120*120 |
2.5-12 |
50*100 |
1.3-5.75 |
| 140*140 |
2.75-16 |
50*150 |
1.3-5.75 |
| 150*150 |
2.75-16 |
60*160 |
1.3-5.75 |
| 160*160 |
3.0-16 |
100*150 |
2.5-16 |
| 180*180 |
3.0-16 |
100*200 |
2.5-16 |
| 200*200 |
3.0-16 |
100*250 |
2.5-16 |
| 250*250 |
4.75-20 |
150*300 |
4.5-16 |
| 300*300 |
4.75-20 |
200*300 |
5.5-20 |
| 400*400 |
4.75-20 |
200*400 |
5.5-20 |
| 500*500 |
4.75-20 |
400*600 |
5.5-20 |
| Remarks |
Small order and customized size available |
Black Welded Steel Tube
Steel Tube Square Hollow Section/ Rectangle Hollow Section
Specification:
1.Square dimensions: 15*15mm-500*500m.
2.Rectangular dimensions: 10*20mm-400*600mm.
3.Length: 1-14m or according to customer's requirement.
4.Special design is available according to requirement
5.Techniques: cold rolled, hot rolled, high-frequency welding and cold-formed molding technology.
6.Standards: GB/T 6728-2002, ASTM A500, EN 10219, JIS G3466,DIN
7.Usage:Mechanical and manufacture, steel structure, ship building, bridging, automobile chassis.
 The main Products
| Name of products |
size (mm) |
Wall thickness (mm) |
Name of Products |
Size (mm) |
Wall thickness (mm) |
Square
 tubes |
20*20 |
1.3-2.5 |
Rectangular
 tubes |
20*30 |
1.3-2.75 |
| 25*25 |
1.3-2.75 |
20*40 |
1.3-2.75 |
| 30*30 |
1.3-2.75 |
25*40 |
1.3-2.75 |
| 40*40 |
1.3-3.75 |
30*50 |
1.3-4.75 |
| 50*50 |
1.3-5.75 |
30*60 |
1.3-4.75 |
| 60*60 |
1.3-5.75 |
40*50 |
1.3-4.75 |
| 70*70 |
1.3-5.75 |
40*80 |
1.3-4.75 |
| 80*80 |
1.3-5.75 |
50*70 |
1.3-4.75 |
| 90*90 |
1.3-5.75 |
50*80 |
1.3-4.75 |
| 100*100 |
1.2-12 |
60*90 |
1.3-4.75 |
| 120*120 |
2.5-12 |
50*100 |
1.3-5.75 |
| 140*140 |
2.75-16 |
50*150 |
1.3-5.75 |
| 150*150 |
2.75-16 |
60*160 |
1.3-5.75 |
| 160*160 |
3.0-16 |
100*150 |
2.5-16 |
| 180*180 |
3.0-16 |
100*200 |
2.5-16 |
| 200*200 |
3.0-16 |
100*250 |
2.5-16 |
| 250*250 |
4.75-20 |
150*300 |
4.5-16 |
| 300*300 |
4.75-20 |
200*300 |
5.5-20 |
| 400*400 |
4.75-20 |
200*400 |
5.5-20 |
| 500*500 |
4.75-20 |
400*600 |
5.5-20 |
| Remarks |
Small order and customized size available |
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