AA 771.0 is an aluminum casting alloy that age hardens at room temperature. It also may be age hardened by a number of temper heat treatments. It is recommended for heavy shock and high static loads, and also for severe fatigue loading. Its uses include aircraft guidance systems and computing devices. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on casting, heat treating, machining, and joining. Filing Code: Al-283. Producer or source: Various aluminum companies.