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Oversized Black Rectangular Tube
The demand for robust, large-format structural components is a constant in construction and fabrication. Our Oversized Black Rectangular Tube meets this need with exceptional performance and reliability. Engineered for projects requiring superior load-bearing capacity and dimensional stability, this high-strength product is an optimal choice for frameworks, supports, and architectural elements. For applications requiring even greater cross-sectional dimensions, explore our Large Diameter Black Rectangular Tube. When your design calls for substantial internal clearance, our Big Bore Black Rectangular Pipe provides an ideal solution. As a premier supplier of Large Size Black Rectangular Hollow Section, we offer a product that combines significant wall thickness with precise geometry. For the most demanding structural applications, our Heavy Caliber Black Rectangular Tube offers unmatched durability and resilience against bending and torsional forces.
The Oversized Black Rectangular Tube is manufactured from high-grade, low-carbon steel, ensuring excellent weldability and formability while maintaining structural integrity. The distinctive black finish is achieved through a hot-dip galvanizing and subsequent powder-coating process, providing a durable, corrosion-resistant barrier that stands up to harsh environmental conditions without the need for frequent maintenance. This protective layer is tightly bonded to the steel substrate, preventing chipping or peeling. Available in a comprehensive range of sizes, the product is produced to tight tolerances, guaranteeing consistency and ease of integration into complex assemblies. Its rectangular hollow section (RHS) profile offers a high strength-to-weight ratio, making it efficient for material use and reducing overall structural weight without compromising performance.
Key Specifications & Features
- Material: ASTM A500 Grade B/C, S355JR, or equivalent structural steel.
- Standard: Manufactured to ASTM A500, A513, EN 10219, or customer specifications.
- Finish: Black powder-coated over hot-dip galvanized (Z275 minimum) for superior corrosion protection.
- Common Wall Thickness: Ranges from 6.0mm to 25.0mm, depending on outer dimensions.
- Key Advantage: High torsional stiffness and moment of inertia compared to equivalent round sections.
Standard Size Range (Outer Dimensions)
| Height (mm) | Width (mm) | Standard Length |
|---|---|---|
| 200 - 500 | 100 - 400 | 6m, 12m, or Custom |
| 300 - 600 | 200 - 500 | 6m, 12m, or Custom |
Mechanical Properties (Typical)
| Property | Value (ASTM A500 Gr. B) | Value (S355JR) |
|---|---|---|
| Yield Strength (min) | 290 MPa | 355 MPa |
| Tensile Strength | 400 - 550 MPa | 470 - 630 MPa |
| Elongation (min) | 21% | 22% |
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