EN AC-46000 | AlSi9Cu3(Fe)
| Numeric designation | EN AC-46000 |
|---|---|
| Chemical designation | AlSi9Cu3(Fe) |
| Etching | 5 % NaOH |
Classic hypoeutectic AlSi casting alloy. Instead of the fine spheres which would be optimal
für strength and ductility, the dark grey Si precipitations here form coarse needles, due to either
slow cooling or missing refinement.
