ATLAS-CM is a carbon-molybdenum machinery steel. It is recommended for general machinery parts requiring a good combination of strength and toughness in the natural condition as supplied from the mill. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: SA-132. Producer or source: Atlas Steels Company.