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.S-TEN1 is a steel alloy containing copper and antimony to make it more resistant to dew-point corrosion than conventional carbon steels. It is used as tubing in economizers.