APEX 39-11 is an aluminum die casting alloy containing copper and silicon. It has excellent castability and improved machinability. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fracture toughness and fatigue. It also includes information on high temperature performance and corrosion resistance as well as casting and machining. Filing Code: Al-100. Producer or source: Apex Smelting Company.