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.Ultradie 3 is a high production tool and die steel of the high-carbon high-chromium type. It is deep hardening, non-deforming, and has high resistance to wear and compression. It is recommended for heavy duty tools and dies.