| Wrought Aluminum Alloys |
| Series |
Main Alloy |
Wrought Aluminum Alloys Properties |
| 1xxx |
None (99% alu) |
Unalloyed aluminum is highly corrosion resistant, low strength, workable, conductive. Non-heat-treatable. |
| 2xxx |
Copper |
Gives strength, hardness, machinability. Heat-treatable. |
| 3xxx |
Manganese |
Adds moderate strength, good workability. Non-heat-treatable. |
| 4xxx |
Silicon |
|
| 5xxx |
Magnesium |
Moderate to high strength. Corrosion resistant. Non-heat-treatable. |
| 6xxx |
Magnesium & Silicon |
Increases strength, formability, corrosion resistance. Heat-treatable. |
| 7xxx |
|
For greatest strength. Heat treatable. Other alloying elements such as copper, magnesium, chromium and zirconium may be specified. |
| 8xxx |
Tin, Lithium & Other elements. |
Effects vary. |
| 9xxx |
N/A |
(This series is unused presently.) |