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. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on heat treating, machining, and joining. Filing Code: CS-12. Producer or source: Jones & Laughlin Steel Corporation.