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 90 is a nickel-base alloy containing high percentages of chromium and cobalt with aluminum and titanium as hardening agents. It has strength at high temperature levels, and is highly resistant to scaling, oxidation, heat and corrosion.