This specification has been declared "CANCELLED" by the Aerospace Materials Division, SAE, as of January 2012. By this action, this document will remain listed in the Numerical Section of the Index of Aerospace Materials Specifications, noting that it has been "CANCELLED".

This specification covers an aluminum alloy in the form of sheet.

This product is used for formed structural parts, which will be subsequently heat treated and require high strength and good corrosion resistance, but usage is not limited to such applications.