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.1.3 Alloy and temper designations are in accordance with ANSI H35.1 /H35.1 (M). The equivalent unified numbering system alloy designations are in accordance with Practice E 527.1.4 Unless the order specifies the "M" specification designation, the material shall be furn