This document has been declared ""Stabilized"" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This specification covers an aluminum alloy in the form of sheet and plate supplied in the -T861 temper. These products have been used typically for structural parts requiring a combination of high strength and good corrosion resistant and whose fabrication does not involve welding; but usage is not limited to such applications.