Square Tube Product Show:
We supply all kinds of tubes either of black or galvanized surface based on customer's request length, with size range from
Round: Â 10mm to 165mm
Square: 10x10mm to 500x500mm
Rectangular: Â 10x20mm to 400x600mm
Our Workshop and Facility:
Our factory is located in Hebei province.
We have 30 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.
Square Tube Appliation:
Square tubes are widely used for structure, furniture and fencing and so on field.
1. Square Tube Material: ASTM A500 Q195 Q235 Q345 S275JR, S355JR, etc.
2. Square Pipe Production Technique: ERW Welded
3. Square Pipe Specifications:
Diameter: 20X20mm~500X500mm
Thickness: 1.0mm~18mm
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, DNV certificate, ISO9001-2000, SGS inspection.
4. Square Pipe Standards: ASTM A500, BS1387-1985, GB/T3094-2008, JIS3466, GB/T6728-2002
5. Square Pipe Packing:
A. Galvanized: Packed by steel strips
B. Black steel hollow: Packed by steel strips and tarpaulin
C. Woven cloth with 7 slats
D. According to the requirements of customers
6. Usage of Square Pipe: 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: 200-480G/M2
9. Productivity: 60, 000 Metric Tons per Month
10. Remarks:
A. Payment terms: T/T, L/C
B. Terms of trade: FOB, CFR, CIF, DDP, EXW
C. Minimum order: 5 tons
D. Lead time: 7-30 days.
| Specification of ASTM A500 Q195 Q235 Q345 S275 B Grade ERW Structural Mild Steel Square Pipes | ||||||
| Square steel pipe | Size | WT(mm) |
 |
 Rectangular steel pipe |  Size | WT(mm) |
| Â 20*20 | Â 1.0-2.5 | Â 20*30 | Â 1.0-2.75 | |||
| Â 25*25 | Â 1.0-2.75 | Â 20*40 | Â 1.0-2.75 | |||
| Â 30*30 | Â 1.0-2.75 | Â 25*40 | Â 1.0-2.75 | |||
| Â 40*40 | Â 1.2-3.75 | Â 30*50 | Â 1.0-4.75 | |||
| Â 50*50 | Â 1.2-5.75 | Â 30*60 | Â 1.2-4.75 | |||
| Â 60*60 | Â 1.2-5.75 | Â 40*50 | Â 1.2-4.75 | |||
| Â 70*70 | Â 1.2-5.75 | Â 40*80 | Â 1.2-4.75 | |||
| Â 80*80 | Â 1.2-5.75 | Â 50*70 | Â 1.3-4.75 | |||
| Â 90*90 | Â 1.2-5.75 | Â 50*80 | Â 1.3-4.75 | |||
| Â 100*100 | Â 1.5-12 | Â 60*90 | Â 1.3-4.75 | |||
| Â 120*120 | Â 2.5-12 | Â 50*100 | Â 1.3-5.75 | |||
| Â 140*140 | Â 2.75-16 | Â 50*150 | Â 1.3-5.75 | |||
| Â 150*150 | Â 2.75-16 | Â 60*160 | Â 1.3-5.75 | |||
| Â 160*160 | Â 3.0-16 | Â 100*150 | Â 2.5-16 | |||
| Â 180*180 | Â 3.0-16 | Â 100*200 | Â 2.5-16 | |||
| Â 200*200 | Â 3.0-16 | Â 100*250 | Â 2.5-16 | |||
| Â 250*250 | Â 4.75-16 | Â 150*300 | Â 4.5-16 | |||
| Â 300*300 | Â 4.75-16 | Â 200*300 | Â 5.5-16 | |||
| Â 400*400 | Â 4.75-25 | Â 200*400 | Â 5.5-16 | |||
| Â 500*500 | Â 4.75-25 | Â 400*600 | Â 5.5-25 | |||
Shijiazhuang Yihe-chem Co.Ltd is engaged in Pesticides,Pharmaceutical Intermediates for agriculture products.With experienced technical team and service team,we have been serving customers in chemical industry and agriculture industry in more than thirty countries and regions.
Our mission is providing high quality products to our customers.Our comprehensive product portfolio and striving for excellent service enable us to develop long-term relationship with our customers all over the world.When you choose Yihe-chem,you may rest assured you are choosing the best value provider in the industry.
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shijiazhuang yihe-chem co.,ltd , https://www.yihe-chem.com