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.ATLANTIC 25 Alloy is a heat-treatable aluminum-nickel-iron bronze for castings that combine high strength with excellent resistance to corrosion. It is wear and abrasion resistant. It is also nonmagnetic and resistant to sparking. Its uses include gears, bearings, pump parts and other corrosion-resistant castings.