Rol-Man is the wrought form of Hadfield's austenitic manganese steel. It has high strength, high ductility and excellent wear resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SA-169. Producer or source: Manganese Steel Forge Company.