AlSi10Mg material data
General description
Osprey® AlSi10Mg and AlSi7Mg aluminium alloy powders are manufactured by inert gas atomization, based on composition specifications of casting alloys are particularly suited for automotive, with thin walls, complex geometries and light weight aerospace applications. This grade of metal powder is designed for additive manufacturing, including Powder Bed Fusion by Laser and Electron Beam, achieving material densities greater than 99.5%.
- Light weight
- Suitable for applications in automotive and aerospace industries
Chemical composition
| Al | Si | Mg | Fe | Ti | Mn | Cu | Ni | O |
| Bal. | 9–11 | 0.2–0.4 | ≤0.55 | ≤0.15 | ≤0.45 | ≤0.03 | ≤0.04 | Reported |
| Al | Si | Mg | Fe | Ti | Mn | Cu | Ni | O |
| Bal. | 6–8 | 0.4–0.6 | ≤0.55 | ≤0.15 | ≤0.45 | ≤0.03 | ≤0.04 | Reported |
Powder morphology
SEM micrographs of Osprey® ALSI10MG a) -63 +20 mm powder with a spherical morphology, b) smooth surface and low level of powder satellites.
Powder size distribution
Available in a range of customized powder sizes suitable for different AM platforms:
Laser beam - Powder Bed Fusion, (L-PBF)
- e.g. 63 to 20 µm & 53 to 15 µm
Electron Beam - Powder Bed Fusion, (E-PFB)
- 106 to 45 µm
Direct Energy Deposition (DED)
- 150 to 53 mm & 90 to 45 µm
Other powder size range distributions are available by request.
Mechanical properties
Typical mechanical properties of as-built Osprey® ALSI10MG alloy powders L-PBF in the as-built condition, evaluated at room temperature.
| Metric units | ||||
| Alloy | Direction | Proof strength | Tensile strength | Elongation |
|---|---|---|---|---|
| Rp0.2 | Rm | A | ||
| MPa | MPa | % | ||
| AlSi10Mg | Horizontal | 220–280 | 390–440 | 5–6 |
| Vertical | 220–300 | 400–440 | 4–5 | |
| AlSi7Mg | Horizontal | 225–235 | 380–390 | 8–9 |
| Imperial units | ||||
| Condition | Direction | Proof strength | Tensile strength | Elongation |
| Rp0.2 | Rm | A | ||
| ksi | ksi | % | ||
| AlSi10Mg | Horizontal | 32–41 | 57–64 | 5–6 |
| Vertical | 32–44 | 57–64 | 4–5 | |
| AlSi7Mg | Horizontal | 33–34 | 55–57 | 8–9 |
| Vertical | 33–34 | 55–57 | 8–9 | |
Physical properties
Osprey® AlSi10Mg; Tap Density: 1.54 g/cm3
- Pycnometric Density; 2.70 g/cm3
Osprey® AlSi7Mg; Tap Density: 1.59 g/cm3
- Pycnometric Density; 2.75 g/cm3