| Type: | Welded |
|---|---|
| Technique: | ERW |
| Material: | Carbon Steel |
| Surface Treatment: | Galvanized |
| Usage: | Machinery Industry, Construction & Decoration |
| Section Shape: | Square/Rectangular |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier Leading manufacturer of black and galvanized square hollow steel tubes for construction. High-quality, durable, and corrosion-resistant. Affordable prices. Available in various sizes and finishes.
| Commodity | Galvanized Steel Square / Rectangular tube | ||
| Size | 20x20--500x500mm | 20x40--400x600mm | |
| Wall thickness | 0.5-20mm | ||
| Length | 5.8m/6m or based on your request | ||
| Standard | EN10025.EN10219,ASTM A500 and so on (the Chinese material can be Q195,Q235Q345) | ||
| Surface | Black, or Galvanized and Oiled to prevent the rust | ||
| End finish | Plain end | ||
| Usage | Steel construction, mechanical, manufacturing, construction, automobile manufacturing, shipbuilding, electricity and more |
||
| Packing | 1.Big OD:in bulk
2.Small OD:packed by steel strips 3.woven cloth with 7 slats 4.according to the requirements of customers |
||
| Shipment | by bulk or load into 20ft / 40ft containers | ||
| Delivery time | Within 20days or as your request | ||
| Payment Terms | T/T or L/C at sight
Terms of trade :FOB ,CFR,CIF ,DDP,EXW |
||
Company: Tianjin Youfa International Trade Co., Ltd.
The Square and Rectangular Steel Hollow Section Tube is available in various sizes and thicknesses to suit different applications. The square tube ranges from 20x20mm to 400x400mm, while the rectangular tube ranges from 20x40mm to 300x500mm. With a thickness range of 0.5mm to 20.0mm, these hollow sections are suitable for a wide range of uses.
These steel hollow sections are commonly used in steel structures, mechanical engineering, manufacturing, construction, automobile manufacturing, shipbuilding, electricity, and more. They provide strength and durability to various projects.
The Square and Rectangular Steel Hollow Section Tube is available in different finishes to meet specific requirements. These include black steel hollow sections, black annealed steel hollow sections, pre-galvanized steel hollow sections, hot dip galvanized steel hollow sections, painted or power coated finish steel hollow sections, and oiled finish hollow sections.
Additionally, special processes can be applied to these steel hollow sections based on your requests. This includes punching holes, cutting different lengths, bending, water-proof cloth packing, high zinc coating ranging from 10micron up to 80 micron, and heat treatment for special usage steel.
Products & Production lines show:
Check out our comprehensive range of square and rectangular tubes for construction. Our carbon steel pipes are durable, corrosion-resistant, and available in various wall thicknesses. Choose from welded or seamless options to suit your needs. Get high-quality, reliable, and affordable steel tubing for your construction projects.
| Square tube (mm) |
Rectangular tube (mm) |
Wall Thickness (mm) |
Square tube (mm) |
Rectangular tube (mm) |
Wall Thickness (mm) |
|
| 19*19 | 1.0 | 40*135 50*140 60*130 75*125 40*150 |
50*150 60*140 80*120 100*100 |
1.5 | ||
| 1.2 | 1.7 | |||||
| 1.3 | 2.0 | |||||
| 1.4 | 2.2 | |||||
| 1.5 | 2.5~5.0 | |||||
| 1.7 | 5.25~6.0 | |||||
| 2.0 | 6.5~9.75 | |||||
| 20*20 25*25 |
20*30 | 1.0 | 11.5~16 | |||
| 1.2 | 50*160 60*150 60*180 65*180 70*150 90*150 90*160 100*120 100*125 100*140 |
60*160 80*140 80*160 100*150 120*120 110*110 120*180 125*125 |
2.5 | |||
| 1.3 | 2.75 | |||||
| 1.4 | 3.0~4.0 | |||||
| 1.5 | 4.25~4.75 | |||||
| 1.7 | 5.25~6.0 | |||||
| 1.8 | 6.5~7.75 | |||||
| 2.0 | 9.5~9.75 | |||||
| 2.2 | 10.5~11.75 | |||||
| 2.5~3.0 | 12.5~15.75 | |||||
| 32*32 35*35 20*50 |
20*40 25*40 30*30 30*40 |
1.0 | 16~~30 | |||
| 1.2 | 60*170 70*160 80*150 80*180 127*127 |
75*150 100*200 140*140 150*150 130*130 |
2.5 | |||
| 1.3 | 2.75 | |||||
| 1.4 | 3.0~5.75 | |||||
| 1.5 | 7.5~9.75 | |||||
| 1.7 | 10.5~11.75 | |||||
| 1.8 | 12.5~15 | |||||
| 2.0 | 60*200 60*220 80*200 80*220 100*180 120*160 120*200 |
100*250 160*160 180*180 140*180 150*170 150*180 150*200 |
2.5 | |||
| 2.2 | 2.75~3.25 | |||||
| 2.5~3.0 | 3.5~5.0 | |||||
| 3.5~3.75 | 5.25~7.75 | |||||
| 20*60 20*80 25*65 30*70 35*60 38*38 45*45 39*49 25*70 |
25*50 30*50 30*60 40*40 40*50 40*60 50*50 |
1.2 | 9.5~11.75 | |||
| 1.3 | 12.5~15.75 | |||||
| 1.4 | 16~~30 | |||||
| 1.5 | 100*350 125*250 130*250 135*135 140*240 150*220 225*225 |
100*300 150*250 200*200 200*250 |
2.75 | |||
| 1.7 | 3.0~3.25 | |||||
| 1.8 | 3.5~9.75 | |||||
| 2.0 | 11.5~11.75 | |||||
| 2.2 | 12.5~14.75 | |||||
| 2.5~4.0 | 15.5~15.75 | |||||
| 4.25~5.0 | 16~~30 | |||||
| 5.25~5.75 | 100*400 130*300 150*350 200*280 220*220 200*350 250*350 |
150*300 200*300 250*250 180*300 200*400 300*300 |
3.5~4.0 | |||
| 5.75~6.0 | 4.5~7.75 | |||||
| 30*100 40*70 40*90 50*60 50*75 50*90 55*55 65*65 |
40*80 40*100 50*70 50*80 60*60 60*80 70*70 |
1.3 | 9.5~11.75 | |||
| 1.4 | 12.5~14.75 | |||||
| 1.5 | 15.5~17.75 | |||||
| 1.7 | 4.75~11.75 | |||||
| 1.8 | 12.5~14.75 | |||||
| 2.0 | 15.5~17.75 | |||||
| 2.2 | 300*320 300*350 |
200*500 250*450 300*400 350*350 |
4.75~11.75 | |||
| 2.5~4.0 | 12.5~14.75 | |||||
| 4.25~5.0 | 15.5~17.75 | |||||
| 5.25~5.75 | 18~~30 | |||||
| 5.75~6.0 | 200*450 250*400 250*500 300*450 |
200*600 280*280 300*500 350*400 400*400 |
4.5~5.75 | |||
| 40*120 40*140 50*110 50*120 50*125 70*100 85*85 |
50*100 60*90 60*100 60*120 75*75 80*80 80*100 90*90 |
1.3 | 6.5~11.75 | |||
| 1.5 | 12.5~14.75 | |||||
| 1.7 | 15.5~17.75 | |||||
| 1.8 | 18~~30 | |||||
| 2.0 | 300*700 300*650 320*320 |
300*600 400*500 400*600 450*450 500*500 |
4.5~7.75 | |||
| 2.2 | 9.5~9.75 | |||||
| 2.5~4.0 | 11.5~13.75 | |||||
| 4.25~5.0 | 14.5~15.75 | |||||
| 5.25~5.75 | 16.5~17.75 | |||||
| 7.5~9.75 | 18~~30 |
We are pleased to offer a wide range of steel products to meet your needs. Our selection includes:
These products are available in both black self finish and hot dipped galvanized finishes, ensuring durability and versatility for various applications.
Tianjin Youfa International Trade Co., Ltd. is a reputable company that specializes in supplying high-quality steel products. With our extensive range of offerings and commitment to customer satisfaction, we have become a trusted name in the industry. Our team is dedicated to providing reliable products and excellent service to meet the diverse needs of our clients.
Tianjin Youfa Steel Pipe Group Co. is the largest welded steel pipe manufacturer in the world. With our headquarters located in Daqiuzhuang Village, Tianjin City, China, we have been the leading producer and seller of steel pipes in China for 13 consecutive years. Our products are exported to over 86 countries and regions, and we are proud to be recognized as one of the Top 500 Enterprises in China.
We have established four production bases in Tianjin City, Tangshan City, Handan City, and Shanxi Province. This allows us to meet the growing demand for steel pipes and ensure timely delivery to our customers.
Tianjin Youfa International Trade Co., Ltd. is a subsidiary of YOUFA Steel Pipe Group. With 55 professional talents, we are committed to providing personalized service for foreign businessmen. To further enhance our capabilities, we have opened a processing factory spanning 10,000 square meters.
Tianjin Youfa Steel Pipe Group Co. has acquired the following certificates:
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}