Aluminum 212 is a copper, silicon, aluminum-base sand casting alloy having good machinability and good castability. It is recommended for general machinery and utility castings. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fatigue. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: Al-153. Producer or source: Aluminum Company of America.