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.JALCASE 100 is an improved high-strength, stress-stabilized, wear resistant, cold drawn bar steel having free-cutting characteristics. JALCASE 100-L has a lead content of 0.15-0.35% for applications requiring superior machinability.