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 VIM-VAR M-50 Bearing Steel* is produced by vacuum induction melting and vacuum arc remelting. The alloy's high degree of cleanliness enables it to be finished to a high luster.