Full Description 1.1 This specification covers a commercial zinc-copper-aluminum alloy in ingot form (UNS Z46540*) for remelting for the manufacture of die castings.1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Data Sheet for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.