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.Corsair is balanced with a chemistry intermediate to Double Six (M2 type steel) and Crusader (M3-2 type steel). (See Alloy Digest TS-459 and TS-485). Corsair has applications when both improved tool life and grindability are needed.