CNC · Materials for comparison · Metal
Aluminum 6061-T6
The most common CNC metal; light, strong and anodizable.
What is Aluminum 6061-T6?
6061-T6 is the most common aluminum alloy in machining thanks to its good machinability, strength-to-weight ratio and corrosion resistance. It is often chosen when moving from a 3D printed prototype to the final product.
- Metal
- Lightweight
- High strength
Technical data
Typical values compiled from common manufacturer datasheets; they vary by brand and grade.
| Density | ≈ 2.7 g/cm³ |
|---|---|
| Tensile strength | ≈ 310 MPa |
| Yield strength | ≈ 275 MPa |
| Elongation at break | ≈ 12% |
| Modulus of elasticity | ≈ 69 GPa |
Design guidelines for Aluminum 6061-T6
General guidelines for CNC technology. All design guidelines
- Minimum wall thickness0.8 – 1.5 mm
- Smallest detailDepends on tool diameter
- Clearance for moving parts0.05 – 0.1 mm
- Text and logosEngraved ≥ 0.5 mm
- Minimum hole diameterØ 1 mm
- Unsupported overhang angleUndercuts require special tools
Applications
- Machine parts
- Enclosures and panels
- Fixtures
Advantages
- Tight tolerances
- Coloring with anodizing
Limitations
- Complex internal geometry is not possible
Comparison
Aluminum 6061-T6 and alternatives
| Property | Aluminum 6061-T6 | Aluminum AlSi10Mg | PA-CF |
|---|---|---|---|
| Density | 2.7 g/cm³ | 2.67 g/cm³ | 1.2 g/cm³ |
| Tensile strength | 310 MPa | 400 MPa | 85 MPa |
| Elongation at break | 12 % | 5 % | 3 % |
| Modulus (stiffness) | 69 GPa | 70 GPa | 6 GPa |
| Heat deflection (0.45 MPa) | — | — | 160 °C |
Values are averages of typical ranges; see each material page for details.
Good to know
Frequently asked questions about Aluminum 6061-T6
What is Aluminum 6061-T6?
6061-T6 is the most common aluminum alloy in machining thanks to its good machinability, strength-to-weight ratio and corrosion resistance. It is often chosen when moving from a 3D printed prototype to the final product.
Is Aluminum 6061-T6 heat resistant?
Aluminum 6061-T6 is a metal; it keeps its strength at much higher temperatures than polymers.
Can Aluminum 6061-T6 be used outdoors?
Yes. Aluminum 6061-T6 has good resistance to UV light and weather; it is suitable for outdoor parts.
Which parts are made with Aluminum 6061-T6?
Aluminum 6061-T6 is typically used in applications such as machine parts, enclosures and panels, fixtures.
Which material can be used instead of Aluminum 6061-T6?
Depending on the application, Aluminum AlSi10Mg, PA-CF can be alternatives. You can see the differences in the comparison tables on the material pages.
Does TAİ Robotik produce with Aluminum 6061-T6?
For Aluminum 6061-T6, send us your part's dimensions, quantity and operating conditions; we will determine the best production route and, if needed, an equivalent alternative together.
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