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.MONEL alloy 506 is an intermediate cast nickel-copper alloy that has higher hardness than cast Monel alloy 410 and better machinability than Monel alloy 505.