Overview of Stamped Aluminum Sheet
Stamped aluminum sheet is a versatile product created through the process of metal stamping. This process involves transforming flat aluminum sheets into specific shapes and designs using high pressure and precision tooling. Stamped aluminum sheets are widely used in various industries due to their strength, durability, and cost-effectiveness.
Common Alloys Used
1xxx Series: High purity aluminum with excellent corrosion resistance and workability, suitable for intricate designs.
3xxx Series: Aluminum-manganese alloys with good formability and corrosion resistance, commonly used in general sheet metal applications.
5xxx Series: Aluminum-magnesium alloys known for their excellent corrosion resistance, especially in marine environments.
6xxx Series: Versatile alloys with good strength, corrosion resistance, and weldability, suitable for structural applications.
Mechanical Properties
| Alloy Series | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|
| 1xxx | 80-140 | 30-70 | 20-30 |
| 3xxx | 160-220 | 100-160 | 15-25 |
| 5xxx | 210-260 | 125-175 | 10-20 |
| 6xxx | 240-270 | 160-210 | 8-12 |
Physical Properties
Density: Approximately 2.7 g/cm³ for all common alloys.
Melting Point: Around 660°C for most aluminum alloys.
Thermal Conductivity: High, typically around 160-200 W/m·K.
Electrical Conductivity: Good, suitable for applications requiring electrical conductivity.
Applications
Automotive Industry: Used in car bodies, panels, and various components due to their lightweight and strength.
Aerospace Industry: Components like aircraft parts and satellite structures benefit from the high strength-to-weight ratio.
Electronics: Used in the manufacture of electronic components and casings for their thermal conductivity and shielding properties.
Construction: Common in architectural applications such as roofing, siding, and decorative elements.
Consumer Goods: Found in household appliances, furniture, and cookware.
Benefits of Stamped Aluminum Sheet
High Precision: The stamping process allows for high precision and consistency in part dimensions.
Cost-Effective: Efficient production method that reduces material waste and lowers manufacturing costs.
Strength and Durability: Provides strong and durable parts suitable for various applications.
Recyclability: Environmentally friendly as aluminum can be recycled multiple times without losing its properties.
Manufacturing Process
Shearing and Blanking: Cutting the aluminum sheet into the desired size and shape.
Punching and Bending: Creating holes or cut-outs and shaping the aluminum at specific angles.
Drawing: Stretching the aluminum into a different shape, often used for making deep or complex parts.
Surface Treatment: Processes like powder coating, painting, or anodizing can be applied to enhance appearance and corrosion resistance.
Packaging, Handling, & Storage
Packaging: Typically packaged in protective materials such as plastic film, foam, or cardboard boxes to prevent damage during transportation.
Handling: Requires careful handling to avoid scratches or deformation, especially during loading and unloading.
Storage: Should be stored in a dry, well-ventilated area, away from moisture and corrosive substances to maintain its quality and properties.
