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.) |