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.Armco 410 Cb is a modified Type 410 corrosion resistant steel by the addition of columbium. It is extremely tough and impact resistant. It is a hardenable grade but less sensitive to tempering variables than Type 410.