3104 aluminum sheet belongs to the 3000 series aluminum-manganese-magnesium alloys, featuring a higher magnesium content compared with 3003 and 3004. This alloy provides improved strength while maintaining good formability and corrosion resistance, making it especially suitable for packaging and structural applications that require higher mechanical performance.
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
- Higher Strength than 3003 / 3004
Increased magnesium content enhances mechanical properties.
- Excellent Corrosion Resistance
Performs reliably in atmospheric and mildly corrosive environments.
- Good Formability
Suitable for stamping, drawing, bending, and rolling processes.
- Good Thermal Conductivity
Appropriate for heat transfer and cooling-related applications.
- Excellent Weldability
Compatible with conventional welding and joining methods.
- Good Surface Finishing Performance
Suitable for coating, painting, and surface treatments.
Specifications
| Parameter | Description |
|---|---|
| Alloy | 3104 |
| Chemical Composition (%) | Al ≥ 95.6, Mn 0.8 – 1.4, Mg 0.8 – 1.3, Cu ≤ 0.25, Si ≤ 0.30, Fe ≤ 0.70, Zn ≤ 0.25, Others ≤ 0.05 |
| Temper | O, H12, H14, H16, H18, H19, H22, H24 |
| Thickness Range | 0.2 – 6.0 mm (customizable) |
| Width (mm) | 20 – 2000 |
| Length (mm) | 2000 – 6000 |
| Surface Finish | Mill Finish, Bright, Brushed, Coated, Film Laminated (optional) |
| Standard | ASTM B209 / EN AW-3104 / 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.
Typical Applications
- Beverage can bodies and packaging materials.
- Automotive panels and structural components.
- Heat exchangers and evaporators.
- Roofing sheets and wall cladding.
- Industrial containers and general fabrication.
