



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.
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 |
Description
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.
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.
















