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.BETHLEHEM T-1 is the 18 tungsten-4 chromium-1 vanadium high-speed steel and is used for general-purpose cutting operations. It has a balanced combination of shock-resistance and abrasion-resistance for cutting tools, high red-hardness and decarburizes the least of the standards high-speed steels.