EN AC-42200 | AlSi7Mg0,6 | A357.0 Sand casting
| Numeric designation | EN AC-42200 | A357.0 |
|---|---|
| Chemical designation | AlSi7Mg0,6 |
| State | Sandguss |
| Etching | 5 % NaOH |
Dendritic casting structure of Al mixed crystal, Al-Si eutectic in between. The silicon precipitations, which are very fine and round due to strontium refinement, appear dark gray. Occasionally intermetallic phases are found in a slightly lighter gray tone.
