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.PYROTOOL EX is an austenitic precipitation-hardenable nickel-base alloy with high strength in the range 1000 to 1500 F. When aged it produces a hardness of Rockwell C 40-44. Applications include high-temperature tooling, extrusion dies and dummy blocks.