1.1 This specification covers aluminum-alloy castings, produced by the thixocast, rheocast, semi-solid and squeeze casting processes, shown in Table 1. 1.2 This specification is not intended for castings used in aerospace This specification covers the material, chemical and mechanical requirements for aluminum-alloy castings produced by the thixocast, rheocast, semi-solid and squeeze casting processes. It does not apply to castings used in aerospace applications. Castin