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.LEHIGH-S is the oil-hardening type of high-carbon high-chromium tool and die steel, having high abrasion resistance and very little change in size and shape during heat treatment.