1.1 This specification covers aluminum-alloy centrifugal castings designated as shown in Table 1. 1.2 This specification is not intended for aluminum-alloy centrifugal castings used in aerospace applications. This specification covers the standard for aluminum-alloy centrifugal castings. This specification does not cover aluminum-alloy centrifugal castings used in aerospace applications. The castings shall be in accordance to the prescribed chemical composi