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.CHB CALMAX is a chromium-tungsten-cobalt hot work steel recommended for the most severe applications. It has an extremely high hot hardness combined with a great toughness at high temperatures.