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.SILMAN is a silicon-manganese medium carbon tool steel showing good resistance to abrasion and fatigue. It is recommended for cold-working tools requiring toughness, wear and shock resistance.