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.INCO Alloy 25-6 MO is a highly alloyed austenitic nickel/iron alloy that is especially resistant to non-oxidizing acids such as sulfuric and phosphoric. It is also well suited to handle high-chloride environments and to combat microbially influenced corrosion.