Common aluminium alloy 5000 series for manufacturing lightweight components or prototypes in the field of automotive and aerospace industries.
Materials
Aluminium alloy AlSi10Mg
Range of application
Technical data after recommended heat treatment
|
1 Tensile test at 20°C according to DIN EN 50125 2 Specification according to the material manufacturer’s data sheet. |
|
| Yield Point Re 1 | 170 - 220 N/mm2 |
| Tensile Strength Rm 1 | 310 - 325 N/mm2 |
| Elongation A 1 | 2 - 3 % |
| Young's modulus 2 | approx. 75 · 103 N/mm2 |
| Thermal conductivity λ2 | 120 - 180 Wm/k |
| Coefficient of thermal expansion (at rt)2 | 20 · 10-6 K-1 |
Heat treatment
Stress relief annealing: Heat up in 1 hour to 240 °C. Maintain temperature for 6 hours. Allow the components to cool down in the oven to 100 °C. Afterwards allow the component cooling down at ambient atmosphere.
Chemical Composition
COMPONENT INDICATIVE VALUE (%)
Al Balance
Si 9,0 – 11,0
Mg 0,20 – 0,45
Fe 0 – 0,55
Mn 0 – 0,45
Ti 0 – 0,15
Cu 0 – 0,10
Zn 0 – 0,10
C 0 – 0,05
Ni 0 – 0,05
Pb 0 – 0,05
Sn 0 – 0,05
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