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.Timken Latrobe Steel TLP A11 is a powder metallurgically (P/M) produced A11 type of tool steel that is air hardening. It provides high wear resistance and a relatively high impact toughness.