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.Colmonoy 750 is a tough Ni-Cr-W matrix alloy used to hold extremely hard tungsten-carbide particles. It is best used for the most severe abrasive conditions and is finished by grinding.