RYCUT 40 is a leaded chromium-molybdenum alloy steel having high machinability rating. It is especially recommended for high production automatic machine products. This datasheet provides information on composition, hardness, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: SA-69. Producer or source: Joseph T. Ryerson & Son Inc. (Distributor).