1. What Is Special-Shaped Steel Grating?
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Special-shaped steel grating is a processing method that cuts, punches or welds ordinary steel grating into a steel-grating product with a specific shape. Compared with ordinary panels, special-shaped gratings offer unique appearance designs and more application scenarios. They can be made into various shapes - square, circle, trapezoid, herringbone, rhombus, cross - meeting the use needs of specific places while increasing the decorative effect.
2. Features and Advantages
Unique design. Special shapes adapt to the structural design and aesthetic requirements of specific places.
Strength and stability. Usually made of high-strength steel with high load-bearing capacity and stability.
Anti-slip performance. Opening design and surface treatment provide good anti-slip properties, preventing people or items from slipping.
Anti-corrosion performance. Surface treatment (e.g. hot-dip galvanising) per environmental requirements increases durability and service life.
Light transmittance and ventilation. Pore size and arrangement are adjusted during design to achieve good light and ventilation effects.
3. Typical Specifications
| Item | Value |
|---|---|
| Bearing bar (typical) | 25×3 / 32×5 / 40×5 mm (per design) |
| Cross-bar spacing | 30 / 50 / 100 mm |
| Panel width | 50 / 65 / 70 mm or custom |
| Materials | Q235 (GB/T 700), S275JR (EN 10025), ASTM A36 or per project |
| Construction | Welded (resistance welding) |
| Surface treatment | Hot-dip galvanised |
Confirm dimensions, bar pitch, mesh and load data on the drawing; load calculations and fabrication tolerances follow the applicable grating standard (e.g. YB/T 4001, ISO 14122).
4. Applications
Municipal engineering platforms, industrial walkways and platforms, drainage covers, stair treads, trench covers and architectural facades.
