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.Seneca Hot Die is a tungsten-chromium-vanadium type hot work steel having good red hardness and abrasion resistance. It is recommended for forging dies, copper extrusion dies, die casting dies, and other hot work tools and dies.