TERNALLOY 7 is a precipitation-hardening type of aluminum alloy having good castability, excellent machinability, and high corrosion resistance. 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, machining, and joining. Filing Code: Al-19. Producer or source: Apex Smelting Company.