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.NIMONIC alloy 115 is a nickel/chromium/cobalt based alloy developed as a vacuum processed creep resisting alloy for service at temperatures up to about 1010 C (1850 F) as a turbine blade material for aircraft turbines.