The choice of material determines strength, elongation, thermal conductivity, corrosion resistance, anodizability and formability.
The following alloy groups are available for aluminum stampings 0.2-3 mm:
1xxx - pure aluminum (high thermal & electrical conductivity) Ideal materials for shielding, contact and heat distribution components.
Properties:
- Electrical conductivity: 57 MS/m
- thermal conductivity: 200-235 W/mK
- excellent formability
- very good anodizing properties
Application examples: Contact plates, LED heat plates, shielding modules.
2xxx - AlCu alloys (higher strength) For function-critical, dynamically stressed aluminum stamped parts.
Properties:
- Tensile strength 350-480 MPa
- High fatigue strength
- good machinability
Examples of use: Special machines, robotic structure plates, precise functional sheets.
3xxx - AlMn alloys (dimensionally stable & economical) For lightweight functional sheets, covers and housings.
Properties:
- Good formability
- Surface quality for anodizing
- Thermal conductivity ~160 W/mK
Examples of use: Housing plates, thin-walled functional contours.
5xxx - AlMg alloys (excellent corrosion resistance) For assemblies in mechanical engineering, automotive and energy systems.
Properties:
- Seawater resistant
- Strength 190-330 MPa
- Excellent bending properties
Examples of use: Housings, mounting plates, technical mounting plates.
6xxx - AlMgSi alloys (structurally stable & anodizable) The most universal range for stamped aluminum parts.
Properties:
- Very good dimensional stability
- Strength 240-350 MPa
- Excellent anodizing behaviour
Examples of use: Functional plates, assembly elements, robotic modules.
7xxx - AlZnMgCu alloys (highest strength) For applications with high dynamic loads.
Properties:
- Tensile strength up to 560 MPa
- Very high rigidity
- Good dimensional stability
Examples of use: Robotic axes, structural parts, safety assemblies.