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.ALMOLD 20 is a chromium-molybdenum tool steel of medium-carbon content. It was designed especially for zinc die casting dies and plastic molds. It is produced to high-quality tool-steels standards to permit a high luster to be achieved on polished die cavity surfaces.