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Slender Thickness Rectangular Steel Tube
When your engineering or fabrication project demands a combination of structural efficiency, modern aesthetics, and material economy, slender-walled rectangular profiles are an optimal choice. Our high-precision Light Gauge Rectangular Hollow Tube is engineered for applications where weight reduction is critical without sacrificing essential rigidity. For designs requiring a particularly sleek profile and high strength-to-weight ratio, our Slim Thickness Rectangular Steel Pipe offers superior performance. In architectural and structural frameworks where minimizing material usage is a priority, our Low Wall Rectangular Hollow Section provides reliable load-bearing capabilities with a clean, contemporary look. Finally, for precision machinery, furniture, and high-end displays, our Fine Wall Rectangular Steel Tube delivers exceptional dimensional accuracy and a flawless surface finish, ready for painting or powder coating.
The Slender Thickness Rectangular Steel Tube is manufactured to exacting international standards using continuous welded or cold-formed processes from high-quality low-carbon or mild steel. This ensures consistent wall thickness, sharp 90-degree angles, and excellent straightness along the entire length. The inherent design of the rectangular hollow section provides greater resistance to bending and torsion compared to open sections, making the Slender Thickness Rectangular Steel Tube ideal for applications like space frames, conveyor structures, vehicle framing, and modern furniture design. Its reduced weight translates to lower shipping costs and easier on-site handling, while its flat surfaces simplify joining and finishing operations.
Key Specifications & Parameters
- Material Grades: ASTM A500 Grade B & C, A513, S235JR, S355JR, or equivalent.
- Manufacturing Process: Electric Resistance Welding (ERW) / Cold-Formed.
- Surface Finish: Mill finish, black, galvanized, or pre-primed.
- Tolerances: Compliant with ASTM A500 / EN 10219 for dimensions and straightness.
- Key Advantage: Optimal strength-to-weight ratio, excellent weldability and formability.
| Outside Dimensions (mm) | Wall Thickness (mm) | Cross-Sectional Area (cm²) | Weight per Meter (kg/m) | Moment of Inertia - Ix (cm⁴) |
|---|---|---|---|---|
| 20 x 10 | 1.0 | 0.54 | 0.42 | 0.26 |
| 30 x 15 | 1.2 | 0.98 | 0.77 | 1.12 |
| 40 x 20 | 1.5 | 1.62 | 1.27 | 3.45 |
| 50 x 25 | 1.5 | 2.12 | 1.66 | 7.22 |
| 60 x 30 | 2.0 | 3.20 | 2.51 | 16.88 |
| 80 x 40 | 2.0 | 4.40 | 3.45 | 41.23 |
Note: The table above provides sample data for common sizes. We offer a comprehensive range of dimensions and can produce custom sizes to meet specific project requirements. All weights are calculated based on a steel density of 7.85 g/cm³.
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