ELEKTRON 21 has been developed to offer improved properties and superior corrosion resistance while maintaining the processing advantages of the Mg-Zn-rare earth alloys. The alloy is used in military and motorsport applications where these properties are at a premium. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fracture toughness. It also includes information on low and high temperature performance, and corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: MG-75. Producer or source: Magnesium Elektron Wrought Products, North America.