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.MUELLER ALLOY No. 6741 (formerly 600 Alloy) is a high-strength bearing alloy intended for use in applications requiring a combination of outstanding wear characteristics and high bearing strength.