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.HWD-2 is a chromium-molybdenum-vanadium hot work steel particularly useful for hot work die operations that are water-cooled in service. It is particularly useful for die casting, extrusion and forging dies.