1000-series | pure aluminum types | |
2000-series | aluminum | copper alloys |
3000-series | aluminum | manganese alloys |
4000-series | aluminum | silicon alloys |
5000-series | aluminum | magnesium alloys |
6000-series | aluminum | magnesium-silicon alloys |
7000-series | aluminum | zinc alloys |
8000-series | other |
The 5000 and 6000 Series alloys are used primarily in motor vehicle construction. These alloys are easily formed, but flow lines may occur during processing. 6000 Series alloys are precipitation-hardened for vehicle outer skins, but are more difficult to form. Yet, they are free of flow lines. For recycling, a single alloy group is preferred.