KO-1 ALLOY is an aluminum alloy for general casting purposes. It is used where high strength at room or elevated temperatures and high energy absorption are important. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fracture toughness and creep. It also includes information on high temperature performance and corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: Al-198. Producer or source: Electronic Specialties Company.