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.DC53 can be hardened up to 63 HRC without losing toughness or becoming brittle. It is a long-lasting steel that reduces cracking and chipping and often replaces D2. It is patent pending as of the date of publication.