ALUMINUM 705.0 is an aluminum-zinc-magnesium-manganese-chromium casting alloy that is hardened by aging at room temperature. It offers high mechanical properties in the cast-and-aged condition. It has good castability and high resistance to corrosion. Among its many users are high-pressure oxygen valves, aerospace components, gears, fittings and washing machine agitators. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as casting, heat treating, and machining. Filing Code: Al-259. Producer or source: Various aluminum companies.