3A22 aluminum sheet is an aluminum–manganese alloy in the 3000 series. It offers good corrosion resistance, moderate strength, and excellent formability, making it suitable for construction, transportation, and industrial applications. 3A22 is widely used in environments that require durable, corrosion-resistant panels and components.
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
- Good Corrosion Resistance
Provides long-term durability in atmospheric and humid environments, suitable for outdoor use.
- Moderate Strength
Higher strength than 1000 series aluminum while maintaining good formability for general structural applications.
- Excellent Formability
Can be easily bent, rolled, or formed into panels, sheets, and other structural components.
- Good Weldability and Fabrication
Supports welding and machining with minimal risk of cracking or distortion.
- Reliable Performance
Stable mechanical properties under long-term service conditions.
Specifications
| Item | Specification |
|---|---|
| Alloy / Grade | 3A22 |
| Chemical Composition (%) | Al ≥ 96.8, Mn 1.0–1.5, Fe ≤ 0.7, Si ≤ 0.6, Cu ≤ 0.1, Mg ≤ 0.2, Zn ≤ 0.25, Ti ≤ 0.15, Others ≤ 0.05 |
| Series | 3000 Series (Al-Mn Alloy) |
| Temper | O, H14, H16, H18, H19, H22 |
| Thickness (mm) | 0.2 – 250 |
| Width (mm) | 100 – 2650 |
| Length (mm) | 2000 – 6000 |
| Surface Finish | Mill Finish, Anodized, Painted |
| Standard | GB/T 3880, ASTM B209, EN AW-3A22 |
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
- Building panels, roofing, and siding.
- Transportation vehicle panels and containers.
- Industrial and chemical equipment.
- Decorative and architectural panels.
- General engineering and machinery components.
