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.TOPHET Alloy C has excellent heat resistance to 1850 F (1010 C) and is highly suited for domestic appliance heating elements. Because of its ability to withstand high overloads it is used in heavy-duty rheostats and controls. This Digest supercedes Filing Code Ni-106 of 10/65.