Aluminum Extrusion Alloys: Selecting the Right Material
Choosing the optimal aluminum alloy is critical for successful extrusion projects. This guide covers the most common extrusion alloys, their properties, and how to select the best material for your application requirements.
Most Common Aluminum Extrusion Alloys
6061 Aluminum
Key Features: High strength, good corrosion resistance, excellent weldability. Learn more about 6061-T6 properties.
Extrudability: Good
Typical Tempers: T4, T6, T651
6063 Aluminum
Key Features: Excellent surface finish, good corrosion resistance. Ideal for 6063-T6 specifications.
Extrudability: Excellent
Typical Tempers: T5, T6
6082 Aluminum
Key Features: Higher strength than 6061, good machinability. See our 6082 alloy guide.
Extrudability: Good
Typical Tempers: T6
Detailed Alloy Comparison
| Property | 6061-T6 | 6063-T6 | 6082-T6 |
|---|---|---|---|
| Tensile Strength (MPa) | 310 | 240 | 310-340 |
| Yield Strength (MPa) | 276 | 215 | 260-300 |
| Machinability | Excellent | Good | Good |
| Weldability | Excellent | Excellent | Good |
| Corrosion Resistance | Excellent | Excellent | Excellent |
For more technical details, you can explore the aluminum extrusion process for different materials.
How to Choose the Right Extrusion Alloy
Strength Requirements
For high-stress applications, consider 6082 or 6061. For moderate loads, 6063 may suffice.
Surface Finish Needs
6063 provides the best as-extruded finish for visible applications.
Post-Extrusion Processing
6061 machines better, while 6063 anodizes more uniformly.
Cost Considerations
6063 is typically most economical, followed by 6061 then 6082.
Specialty Extrusion Alloys
For unique applications, consider these less common options:
- 6005A: Improved strength over 6063 with similar extrudability
- 6101: Optimized for electrical conductivity applications
- 6463: Enhanced surface finish for anodizing
Learn about 6061 aluminum properties in more detail.
Need Help Selecting an Extrusion Alloy?
Our materials experts can recommend the perfect aluminum alloy for your project requirements.
Related Resources
- 6061 Aluminum Properties
- 6082 Alloy Guide
- Benefits of Aluminum Extrusion
- Extrusion vs Machining
- Custom Extrusion Services
- Our Extrusion Products