Metal LPBF · Metal powders · Metal
Aluminum AlSi10Mg
Lightweight aluminum with good thermal conductivity; heat exchangers and light structures.
What is Aluminum AlSi10Mg?
AlSi10Mg is an aluminum alloy familiar from the casting industry. LPBF produces lightweight, thin-walled parts with internal channels. Its good thermal conductivity makes it suitable for heat exchangers and heat sinks.
- Metal
- Lightweight
- High strength
Technical data
Typical values compiled from common manufacturer datasheets; they vary by brand and grade.
| Density | ≈ 2.67 g/cm³ |
|---|---|
| Tensile strength | ≈ 350 – 450 MPa (as built) |
| Elongation at break | ≈ 3 – 8% |
| Modulus of elasticity | ≈ 70 GPa |
Design guidelines for Aluminum AlSi10Mg
General guidelines for SLM / DMLS technology. All design guidelines
- Minimum wall thickness0.4 – 1 mm
- Smallest detail0.6 mm
- Clearance for moving parts0.3 mm
- Text and logosEmbossed ≥ 0.5 mm
- Minimum hole diameterØ 1.5 mm
- Unsupported overhang angle≥ 45° from horizontal; flatter surfaces need support
Applications
- Heat exchangers and heat sinks
- Lightweight brackets
- Automotive prototypes
Advantages
- Lightweight
- Good thermal conductivity
Limitations
- Low ductility
- Lower strength than steel and titanium
Comparison
Aluminum AlSi10Mg and alternatives
| Property | Aluminum AlSi10Mg | Titanium Ti6Al4V | Aluminum 6061-T6 | PA12 CF |
|---|---|---|---|---|
| Density | 2.67 g/cm³ | 4.43 g/cm³ | 2.7 g/cm³ | 1.06 g/cm³ |
| Tensile strength | 400 MPa | 1,000 MPa | 310 MPa | 68 MPa |
| Elongation at break | 5 % | 12 % | 12 % | 4 % |
| Modulus (stiffness) | 70 GPa | 114 GPa | 69 GPa | 4.8 GPa |
| Heat deflection (0.45 MPa) | — | — | — | 175 °C |
Values are averages of typical ranges; see each material page for details.
Good to know
Frequently asked questions about Aluminum AlSi10Mg
What is Aluminum AlSi10Mg?
AlSi10Mg is an aluminum alloy familiar from the casting industry. LPBF produces lightweight, thin-walled parts with internal channels. Its good thermal conductivity makes it suitable for heat exchangers and heat sinks.
Is Aluminum AlSi10Mg heat resistant?
Aluminum AlSi10Mg is a metal; it keeps its strength at much higher temperatures than polymers.
Can Aluminum AlSi10Mg be used outdoors?
Yes. Aluminum AlSi10Mg has good resistance to UV light and weather; it is suitable for outdoor parts.
Which parts are made with Aluminum AlSi10Mg?
Aluminum AlSi10Mg is typically used in applications such as heat exchangers and heat sinks, lightweight brackets, automotive prototypes.
Which material can be used instead of Aluminum AlSi10Mg?
Depending on the application, Titanium Ti6Al4V, Aluminum 6061-T6, PA12 CF can be alternatives. You can see the differences in the comparison tables on the material pages.
Does TAİ Robotik produce with Aluminum AlSi10Mg?
For Aluminum AlSi10Mg, 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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