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.Hi-Wear 64 is a cold work tool steel offering improved wear resistance and low temperature heat treatment. It is a deep hardening non-deforming steel recommended for tools to blank and form abrasive materials.