Due to its excellent corrosion resistance, lightweight, high strength, and outstanding weather resistance, aluminum circles are widely used in traffic signs and road safety industries. Aluminum circles are circular aluminum sheets used to manufacture road signs, traffic control signs, safety warning signs, and reflective signs.
Typical Applications
- Road traffic signs.
- Speed limit signs.
- Warning signs.
- Reflective traffic plates.
- Safety signs.
- Parking signs.
- Directional road signs.
- Municipal signage systems.
Description
These aluminum circles are typically made from high-quality aluminum sheets or coils through a precision stamping process, ensuring accurate diameter, smooth edges, and stable mechanical properties. The smooth, clean surface also provides an ideal substrate for reflective film lamination, screen printing, or coating processes—essential steps in traffic sign manufacturing.
Typical Specifications
| Item | Specification |
|---|---|
| Alloy | 1050, 1060, 3003, 5052 |
| Temper | H12, H14, H24 |
| Thickness | 0.8 – 3.0 mm |
| Diameter | 300 – 1200 mm |
| Surface | Mill finish, anodized, coated |
| Edge | Smooth edge, burr-free |
Manufacturing & Quality Advantages
- High Dimensional Accuracy
Precision blanking ensures consistent diameter, tight tolerances, and burr-free edges, improving production efficiency for traffic sign manufacturers.
- Excellent Flatness
Strict control during rolling and cutting processes guarantees flat surfaces, which is critical for proper reflective film adhesion.
- Weather and UV Resistance
Aluminum materials maintain stable performance under long-term outdoor exposure, making them suitable for road and highway signage.
- Compliance with International Standards
The aluminum materials can meet international environmental and quality standards such as RoHS and REACH, supporting global infrastructure projects.