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Black Rectangular Hollow Section with Straight Slot
The Black Rectangular Hollow Section with Straight Slot is a fundamental yet highly versatile component engineered for modern construction, framework, and industrial design. Its defining characteristic is the precisely cut vertical opening along one face, providing a practical solution for routing cables, fasteners, or other components within a clean, integrated structure. This design eliminates the need for external mounting brackets, streamlining assembly and enhancing aesthetic appeal. For applications requiring specific terminology, this product may also be referred to as a Black Rectangular Tube with Vertical Slot. In structural contexts demanding high-strength materials, the Linear Slot Black Rectangular Steel Tube offers superior load-bearing capabilities. The core functionality is also captured by the term Black Rectangular Pipe with Straight Opening, emphasizing the accessible channel. For projects where internal space optimization is critical, the design of a Vertical Slotted Black Rectangular Hollow Tube provides an ideal balance of structural integrity and functional utility.
Crafted from high-quality steel, the Black Rectangular Hollow Section with Straight Slot undergoes a meticulous manufacturing process. The material is first formed into a precise rectangular hollow section, ensuring consistent wall thickness and dimensional accuracy. A key feature is the straight slot, which is machined with high precision to maintain clean edges and exact tolerances, ensuring components slide or mount smoothly. The final product receives a durable, uniform black finish, typically a powder coating or other corrosion-resistant treatment. This finish not only provides a sleek, modern appearance but also offers excellent protection against rust, scratches, and general wear, making it suitable for both indoor and protected outdoor environments. The combination of robust steel construction and a protective coating ensures the Black Rectangular Hollow Section with Straight Slot delivers long-term reliability in demanding applications.
Detailed Product Specifications
Our Black Rectangular Hollow Section with Straight Slot is available in a comprehensive range of sizes to meet diverse project requirements. Standard specifications are outlined below.
Standard Size Range & Material Properties
- Common Outer Dimensions (Width x Height): 20mm x 40mm, 30mm x 60mm, 40mm x 80mm, 50mm x 100mm.
- Standard Wall Thickness: 1.5mm, 2.0mm, 2.5mm, 3.0mm.
- Standard Lengths: 1 meter, 2 meters, 3 meters, and 6 meters. Custom cut lengths are available upon request.
- Slot Dimensions: Slot width is typically 5mm, 8mm, or 10mm, running the entire length of the tube or in specified segments.
- Primary Material: ASTM A500 Grade B Steel or equivalent structural steel.
- Finish: Matte Black Powder Coating, applied at 60-80 microns for durability.
- Tolerances: Dimensional tolerance of ±0.5mm, straightness tolerance within 1mm per meter.
Key Technical Parameters Table
| Parameter | Specification / Value | Notes / Standard |
|---|---|---|
| Material Grade | ASTM A500 Grade B (or S355J0H EN 10219) | Certified material with tensile strength ~ 400-500 MPa. |
| Yield Strength | Min. 345 MPa | Ensures structural reliability under load. |
| Surface Treatment | Phosphating & Powder Coating | Pre-treatment for adhesion, followed by electrostatic powder coating. |
| Coating Thickness | 60-80 μm (microns) | Provides excellent corrosion and abrasion resistance. |
| Slot Positional Accuracy | ±0.3 mm | High precision machining for consistent alignment. |
| Squareness of Ends | Within 1° | Ensures clean, perpendicular cuts for assembly. |
| Weight per Meter (Example: 40x80x2mm) | Approx. 3.25 kg/m | Calculated based on steel density of 7850 kg/m³. |
| Primary Applications | Modular Framing, Machinery Guards, Display Systems, Cable Management, Architectural Features | Versatile for industrial, commercial, and retail uses. |
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