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EN10219 carbon steel cold formed rectangular hollow section
Cold Formed Rectangular Hollow Sections (CFRHS) are widely used in structural engineering due to their high strength, excellent weldability, and cost-effectiveness. These sections come in a broad range of sizes, from 10 x 15 mm up to 800 x 1200 mm, with wall thicknesses ranging from 0.5 mm to 60 mm for larger dimensions. Their versatility makes them ideal for a wide variety of construction and industrial applications.
The Cold Formed EN 10219 Black Rectangular Hollow Section is manufactured according to the EN 10219 standard, ensuring consistent quality and performance. It is commonly used in construction projects, such as bridges, buildings, and industrial structures, where lightweight yet strong materials are required. The hollow design not only enhances material efficiency but also contributes to environmental sustainability by reducing waste and energy consumption during production.
**Advantages of Cold Formed Rectangular Hollow Sections:**
- **High Strength:** The cold forming process preserves the material’s grain structure, resulting in improved tensile and yield strength compared to hot-formed sections.
- **Excellent Mechanical Properties:** These sections offer smooth surfaces, precise dimensions, and superior mechanical performance, making them easy to work with during fabrication.
- **Corrosion Resistance:** With surface treatments like galvanizing or painting, they provide long-term protection against rust and weathering, increasing the lifespan of the structure.
- **Easy to Process:** They can be easily cut, welded, and shaped, which simplifies the manufacturing and assembly processes.
**Complete Dimensions of Cold Formed Rectangular Hollow Sections:**
Below is an overview of the available outer dimensions (O.D.) and wall thicknesses (W.T.) for various sizes:
| O.D. mm | W.T. mm | O.D. mm | W.T. mm | O.D. mm | W.T. mm | O.D. mm | W.T. mm |
|---------|---------|---------|---------|---------|---------|---------|---------|
| 20x20 | 1.3 | 60x120 | 1.50 | 180x180 | 3 | 300x800 | |
| | 1.4 | | 1.70 | | 3.5–3.75| | 9.5–9.75|
| | 1.5 | | 1.80 | | 4.5–4.75| | 11.5–11.75|
| | 1.7 | | 2.00 | | 5.5–7.75| | 12–13.75|
| | 1.8 | | 2.20 | | 9.5–9.75| | 15–50 |
| | 2.0 | | 2.5–4.0 | | 11.5–11.75| | |
| 20x30 | 1.3 | 50x150 | 1.50 | 100x300 | 2.75 | 300x900 | |
| 25x25 | 1.4 | | 1.70 | | 3.0–4.0 | | 9.5–9.75|
| 25x25 | 1.5 | | 2.00 | 150x250 | 4.5–9.75| | 11.5–11.75|
| 25x25 | 1.7 | | 2.20 | | 11.5–11.75| | 12–13.75|
| 25x25 | 1.8 | | 2.5–2.75| 200x200 | 12.5–12.75| | 15–50 |
| 25x25 | 2.0 | | 3.0–4.75| | 13.5–13.75| | |
| 25x25 | 2.2 | | | | 15.5–30 | | |
| ... | ... | ... | ... | ... | ... | ... | ... |
**Applications of Cold Formed Rectangular Hollow Sections:**
These sections are extensively used in both residential and commercial construction. They are ideal for frame columns, shear walls, support structures, and roof beams. In addition, they are frequently used in sports halls, factories, and industrial buildings. In civil engineering, they serve as key components in bridge piers, arches, and main beams. Their adaptability and structural integrity make them a preferred choice for mechanical and architectural frameworks.