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.Carpenter CP Titanium Grade 4 is the highest-strength grade of the unalloyed grades 1-4. It competes with steels and nickel alloys with its combination of corrosion resistance, fatigue properties, and high strength.