View Sample Alloy Digest Data Sheet (PDF)Since 1952, Alloy Digest has been the leading reference for materials property data on metals and alloys used throughout the world. Featuring graphs, charts and tables, these sheets give facts and figures on composition or characterization, physical and mechanical properties, heat treatment, and machinability.ILZRO 16 is a zinc-base die-casting alloy which was developed to have superior creep resistance at both ambient and elevated temperatures for processing in cold-chamber die-casting machines.