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Black Rectangular Hollow Tube
For structural and architectural projects demanding a combination of strength, clean aesthetics, and versatility, the Black Rectangular Hollow Tube is a premier choice. Often referred to as a Black Rectangular Steel Tube, this profile offers superior load-bearing capacity with a significantly lighter weight compared to solid sections, making it ideal for frameworks, supports, and modern designs. Its distinctive hollow rectangular shape provides excellent resistance to torsional forces. The uniform black finish, characteristic of a Black Finished Rectangular Tube, not only delivers a sleek, contemporary look suitable for exposed applications but also offers a basic layer of protection against corrosion. This product is synonymous with a high-quality Black Rectangular Pipe used in construction, furniture, and automotive industries. For applications requiring enhanced grip or a textured appearance, options like the Striped Rectangular Hollow Section are also available.
The inherent design of the Black Rectangular Hollow Tube provides a remarkable strength-to-weight ratio. This efficiency translates into easier handling, reduced transportation costs, and faster installation times on-site. Engineers and fabricators value this profile for its predictable performance and ease of welding, cutting, and drilling, allowing for complex and custom fabrications. Whether utilized as a primary load-bearing member in a building's skeleton, as a sleek railing component, or as the robust frame for industrial shelving, the Black Rectangular Hollow Tube delivers reliable structural integrity. Its clean lines and dark finish seamlessly integrate into both industrial and architectural settings, often eliminating the need for additional painting or finishing, which streamlines project timelines and budgets.
Key Specifications & Dimensions
Our Black Rectangular Hollow Tube is manufactured to precise standards, ensuring consistency and reliability for your projects. Below are the detailed parameters:
- Material: High-Strength Low-Alloy (HSLA) Steel, Carbon Steel
- Standard: ASTM A500 Grade B, AISI, DIN, EN, JIS, GB/T
- Surface Finish: Mill finish, Black Oxidized, or Painted
- Process: Cold-formed or Hot-formed, Electric Resistance Welded (ERW)
- Key Properties: Excellent Weldability, High Tensile Strength, Good Ductility
| Nominal Size (H x W) | Wall Thickness (t) | Weight per Meter (kg/m) | Moment of Inertia (Ix) | Common Lengths |
|---|---|---|---|---|
| 20mm x 10mm | 1.2mm, 1.5mm | 0.54, 0.66 | 0.25 cm⁴ | 6m, 6.5m |
| 40mm x 20mm | 1.5mm, 2.0mm, 2.5mm | 1.32, 1.73, 2.13 | 4.62 cm⁴ | 6m, 12m |
| 60mm x 40mm | 2.0mm, 2.5mm, 3.0mm | 2.90, 3.58, 4.24 | 18.5 cm⁴ | 6m, 12m |
| 80mm x 40mm | 2.5mm, 3.0mm, 4.0mm | 4.37, 5.19, 6.78 | 38.2 cm⁴ | 6m, 12m |
| 100mm x 50mm | 3.0mm, 4.0mm, 5.0mm | 6.76, 8.86, 10.88 | 80.1 cm⁴ | 6m, 12m |
Note: Dimensions and weights are nominal. Other sizes, thicknesses, and custom lengths are available upon request. All tubes are subject to strict quality control for straightness and dimensional tolerance.
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