1.1 This specification covers aluminum-alloy permanent mold castings designated as shown in .1.2 This specification is not intended for aluminum-alloy permanent mold castings used in aerospace applications.1.3 Alloy and temper designations are in accordance with ANSI H35.1. The equivalent unified numbering system alloy designations are in accordance with Practice E 527.1.4 For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in th