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.Nicrofer 5120 CoTi is a precipitation-hardening alloy developed by Rolls-Royce. The alloy has good oxidation resistance with excellent creep-rupture values.