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.ENDURO S-1 is a chromium type stainless steel providing high strength, toughness and resistance to impact when heat treated. It shows resistance to wet and dry corrosion. It is recommended for steam turbine parts, valves, cutlery, pump components, etc.