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.Nimofer 6629, also called alloy B-4, is a newly developed 28 molybdenum alloy with low interstitials and a balanced chemistry to suppress beta-phase formation during thermo-mechanical operations.