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.THYROTHERM 2799 is a maraging tool steel with extremely low heat treat distortion and high resistance to thermal shock and excellent weldability. The alloy also possesses resistance to heat checking a high work temperatures.