Aluminum Circle For Traffic Sign
Aluminum Circle is a crucial material for traffic sign manufacturing, made from high-purity aluminum alloys via deep drawing or cold rolling. Its circular shape, uniform thickness, and high surface quality are perfect for reflective sign faces. Lightweight, corrosion-resistant, and easy to process, it is widely used for various road signs.
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Overview
Aluminum Circle is a key base material in traffic sign manufacturing, typically produced from high-purity aluminum alloys through deep drawing or cold rolling. Its circular shape, uniform thickness, and high surface quality make it ideal for reflective traffic sign faces. Combining lightweight, corrosion resistance, and ease of processing, it complies with global standards and is widely used in road guidance, warning, regulatory, and temporary construction signs.
Specification
Alloy: 1050, 1060, 3003, 3004, 5052, etc
Temper: O, H12，H14，H16，H18, etc
Thickness: 0.5mm-6mm
Diameter: 80mm-1500mm
Surface Treatment: Mill Finish, Color Coated, Anodized
Shape: Disc, Triangle, Square, Rectangle, Hexagon, etc
Feature
1.Weather & Corrosion Resistance: Aluminum oxide film resists rain, salt spray, and UV, extending lifespan to over 10 years.
2.Lightweight & Easy Installation: Density 2.7g/cm³, reducing transportation and installation costs; easy to mount on poles or brackets.
3.Processability: Supports stamping, cutting, welding, and reflective film lamination for complex designs.
4.Stable Visibility: Smooth and flat surface ensures tight adhesion with reflective film, maintaining high visibility day and night.
5.Eco-Friendly: 100% recyclable, aligning with sustainable infrastructure goals.
Application
Aluminum circles are widely utilized in traffic sign manufacturing due to their lightweight strength, corrosion resistance, and machinability: In regulatory signs, they form street name plates, freeway speed limit signs, and school zone warnings to enforce traffic rules; for warning signs, they serve as railroad crossing markers, construction zone temporary speed limits, and route number identifiers to preempt hazards; in guide signs, they support expressway service area directions, bicycle lane indicators, and tourist attraction guides to optimize traffic flow and information services.
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