Magnesium HM11XA is a die casting alloy recommended for service above 500 F. It is a high-temperature high-strength, light weight alloy. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as casting, heat treating, machining, and surface treatment. Filing Code: Mg-51. Producer or source: Magnesium die casters.