Q195 Black Iron Rectangular Steel Tube 2x4 Inch with 1.5-8mm Wall Thickness for Building Construction
Zhengde seamless rectangular steel tubes feature hollow sections with no seams, offering superior material utilization and manufacturing efficiency. These structural tubes are ideal for creating ring components, bearing housings, hydraulic jack sets, and various construction applications.
| Basic Size A (mm) | Basic Size B (mm) | Wall Thickness S (mm) | Area F (cm²) | Weight G (kg/m) |
|---|---|---|---|---|
| 36 | 18 | 1.5 | 1.49 | 1.17 |
| 36 | 18 | 2 | 1.93 | 1.52 |
| 36 | 18 | 2.5 | 2.34 | 1.84 |
| 36 | 18 | 3 | 2.73 | 2.14 |
| 36 | 18 | 3.5 | 3.08 | 2.42 |
| 50 | 32 | 2 | 3.05 | 2.4 |
| 50 | 32 | 2.5 | 3.74 | 2.94 |
| 50 | 32 | 3 | 4.41 | 3.46 |
| 70 | 50 | 4 | 8.69 | 6.82 |
| 70 | 50 | 5 | 10.57 | 8.3 |
| 70 | 50 | 6 | 12.34 | 9.69 |
| 70 | 50 | 7 | 14 | 10.99 |
| 80 | 60 | 4 | 10.29 | 8.07 |
| 80 | 60 | 5 | 12.57 | 9.87 |
| 80 | 60 | 6 | 14.74 | 11.57 |
| 80 | 60 | 7 | 16.8 | 13.19 |
| 90 | 60 | 4 | 11.09 | 8.7 |
| 90 | 60 | 5 | 13.57 | 10.65 |
| 90 | 60 | 6 | 15.94 | 12.52 |
| 90 | 60 | 7 | 18.2 | 14.29 |
| 100 | 70 | 5 | 15.57 | 12.22 |
| 100 | 70 | 6 | 18.34 | 14.4 |
| 100 | 70 | 7 | 21 | 16.48 |
| 100 | 70 | 8 | 23.54 | 18.48 |
Our hot-rolled seamless steel pipes utilize advanced three-roll mill technology, ensuring exceptional dimensional accuracy and uniform wall thickness without surface defects.
We maintain extensive stock of carbon rectangular seamless tubes, alloy seamless tubes, and precision tubes ranging from 5-426mm in diameter and 0.5-60mm wall thickness.
Every tube undergoes rigorous inspection to ensure uniform wall thickness, smooth surfaces, and absence of cracks or imperfections.
- Engineering construction and structural frameworks
- Glass curtain walls and architectural decoration
- Automotive manufacturing and machinery components
- Shipbuilding, containers, and agricultural equipment
- Fitness equipment, furniture, and shelving systems
- Fluid transportation systems and fire protection
- Strict adherence to production standards and quality control
- Competitive pricing based on current market conditions
- Secure transaction processing and customer protection
- Comprehensive after-sales support and service
- Long-term partnership opportunities
Shandong Zhengde Metal Manufacturing Co., Ltd. is a comprehensive metal products enterprise with multiple production bases, advanced laboratories, and technical centers. Our products are exported to over 50 countries worldwide.
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