5A02 aluminum sheet is a non-heat-treatable aluminum-magnesium alloy in the 5000 series, characterized by excellent corrosion resistance, lightweight performance, and moderate strength. It is commonly used in marine, transportation, and architectural applications where durability and resistance to seawater or industrial environments are critical. 5A02 is suitable for applications that require forming, welding, and long-term stability.
Description
Yutwin New Materials specializes in the production of aluminum sheets and coils in a wide range of alloys, grades, and specifications, offering stable quality, flexible customization, and reliable supply to meet the diverse needs of different industries.
Features
- Excellent corrosion resistance
Performs well in marine, chemical, and industrial environments, ideal for outdoor, coastal, and architectural applications.
- Moderate mechanical strength
Suitable for structural and decorative applications requiring moderate strength and durability.
- Good formability and workability
Can be rolled, bent, stamped, and deep-drawn, suitable for medium-to-thin gauge processing.
- Smooth and uniform surface finish
Ideal for anodizing, painting, coating, embossing, or film lamination for both decorative and functional purposes.
- Good weldability
Compatible with TIG, MIG, and spot welding, ensuring reliable fabrication.
- Lightweight material
Low density helps reduce overall weight while maintaining strength and durability.
Specifications
| Item | Specification |
|---|---|
| Alloy / Grade | 5A02 |
| Chemical Composition (%) | Mg 2.0–2.6, Cr 0.20–0.50, Fe ≤ 0.40, Si ≤ 0.25, Cu ≤ 0.10, Mn ≤ 0.10, Zn ≤ 0.25, Ti ≤ 0.15, Al Balance |
| Series | 5000 Series (Al-Mg) |
| Temper | O, H12, H14, H16, H22 |
| Thickness (mm) | 0.5 – 250 |
| Width (mm) | 100 – 2650 |
| Length (mm) | 1000 – 12000 (Customizable) |
| Surface Finish | Mill Finish, Anodized, Painted, Polished |
| Standard | ASTM B209, EN AW-5A02, GB/T 3880 |
Common Aluminum Surface Treatments
Polishing
Polishing uses mechanical grinding, chemical, or electrochemical methods to improve the smoothness and brightness of aluminum surfaces. Polished aluminum features a high-gloss finish and excellent decorative appearance.
Brushing
Brushing is a surface treatment process that creates fine, directional textures on aluminum using abrasive belts or brushes. The brushed surface provides a refined metallic appearance while helping conceal minor scratches.
Coating
Coating applies a protective coating onto the aluminum surface through powder coating, liquid spraying, or other coating methods. It provides excellent weather resistance, corrosion protection, and a wide range of color options. Coated aluminum offers both decorative appeal and long-term durabilit.
Anodizing
Anodizing is an electrochemical process that forms a dense oxide layer on the aluminum surface, improving corrosion resistance, wear resistance, and surface hardness. The oxide layer can also be colored to achieve various finishes.
Sand Blasting
Sand blasting uses high-speed abrasive particles to impact the aluminum surface, creating a uniform matte texture. This process provides a soft metallic appearance, reduces fingerprint marks, and improves coating adhesion for subsequent finishing processes.
Embossing
Embossing is a process that forms raised or recessed patterns on aluminum surfaces through rolling or stamping. Common patterns include stucco, diamond, and wood grain textures. Embossed aluminum offers excellent decorative effects, scratch resistance, and certain anti-slip properties.
Applications
- Marine equipment and shipbuilding panels.
- Vehicle and transportation bodies.
- Architectural panels, roofing, and facades.
- Storage tanks and chemical containers.
- Industrial structural components.
