DOMAL AZ21X is a readily extrudable magnesium alloy used where moderate strength requirements will suffice. It does not respond to an age-hardening heat treatment. It is recommended for structural members, truck bodies and paneling. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: Mg-68. Producer or source: Dominion Magnesium Ltd.