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.CARPENTER No. 408 Punch Steel was developed specifically to meet the needs of the pharmaceutical industry. It has the necessary wear resistance to withstand the severe conditions of handling the abrasive materials that must be pellitized. It also has high strength in combination with excellent toughness and resistance to splitting stresses. It has found a number of other uses requiring resistance to shock loading and splitting stresses, such as clutch parts, vise jaws and expander punches.