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.CARPENTER No. 481 is a fine-grained, oil-hardening electric-furnace tool steel for applications involving shock. It combines exceptional toughness to withstand the stresses in service, and good hardness to resist wear and abrasion.