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.AIRVAN is an air-hardening alloy steel possessing excellent non-deforming properties. It is particularly adapted to applications requiring toughness and fairly high abrasion resistance.