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.COLUMBIUM-10W-10Hf is a columbium-base alloy having good oxidation resistance and good high temperature properties. It is recommended for high temperature applications such as missiles, space vehicles, etc.