An aluminum disc for traffic signs is a round aluminum sheet used to make stop signs, prohibition signs, warning signs, and reflective road signs.
It offers lightweight strength, smooth surface, and excellent corrosion resistance, making it ideal for outdoor use.
Our discs are produced with stable quality, clean edges, and uniform thickness, suitable for all types of reflective films.
Key Features of Aluminum Discs for Traffic Signs
- Lightweight and easy to install
- Rust-proof and weather-resistant
- Perfect surface for reflective film bonding
- Suitable for stamping, cutting, and bending
- Long lifespan for outdoor road environments
Common Alloys and Properties
Below is a simple table showing popular alloys for traffic sign discs:
Alloy Performance Table
| Alloy | Hardness | Corrosion Resistance | Application Notes |
|---|---|---|---|
| 1050 / 1060 | Soft & easy to form | Excellent | Ideal for reflective traffic signs |
| 3003 | Medium strength | Very good | Better durability for outdoor signs |
| 5052 | High strength | Superior | Harsh weather, heavy-duty road signs |
Standard Sizes and Specifications
Our discs come in different diameters and thicknesses to match local traffic sign standards.
Specification Table
| Diameter (mm) | Thickness (mm) | Surface Type |
|---|---|---|
| 200–600 mm | 1.0–1.5 mm | Mill finish |
| 600–900 mm | 1.5–2.0 mm | Anodized |
| 900–1200 mm | 2.0–3.0 mm | Polished |
Custom sizes are available for large or special traffic signs.
Why Aluminum Is Best for Traffic Signs
Aluminum is widely used for road signs because of its stable outdoor performance.
Advantages
- Does not rust
- Long service life
- Works with all reflective films
- Can be recycled
- Excellent surface flatness
These features make aluminum discs better than steel or plastic options.
6. Applications of Aluminum Discs
Aluminum discs are used in many road safety and transportation projects:
Main Applications
- Mandatory signs
- Prohibition signs
- Warning signs
- Parking signs
- Speed limit signs
- Highway reflective signs
- City road direction signs
Manufacturing Process for Traffic Sign Discs
To ensure smooth surfaces and consistent quality, discs are made using:
Production Steps
- Continuous casting and rolling
- Sheet cutting
- Precision stamping
- Edge trimming
- Surface treatment
- Quality inspection
This stable process ensures each disc meets road safety standards.
How to Choose the Right Aluminum Disc
When selecting aluminum discs for traffic signs, consider:
Selection Tips
- Alloy: 1050/1060 for economy; 5052 for strength
- Thickness: 1.0–3.0 mm depending on sign type
- Diameter: Match government or project standards
- Surface: Mill finish, anodized, or polished
If needed, we can recommend the best option for your region.
Packaging and Delivery
To protect the surface of the discs:
Packaging
- PE film protection
- Anti-scratch paper
- Wooden pallet
- Strap reinforcement
Products are delivered safely for international shipment.
Why Choose Us as Your Aluminum Disc Supplier
- Own factory with stable production
- Fast delivery and competitive prices
- Clean surface and high accuracy
- Support OEM and custom sizes
- Long-term supply for traffic sign projects
aluminum disc for traffic signs for road sign
An aluminum disc for traffic signs is essential for producing durable road warning and direction signs. With good corrosion resistance, light weight, and long outdoor life, aluminum discs are the best material for modern traffic systems.