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.UNS No. H47180 is a low-carbon nickel-chromium-molybdenum carburizing steel recommended for applications requiring a strong, tough core combined with a highly wear-resistant carburized case. It has fairly high hardenability and can be used without carburizing.