RY-DIE is an air-hardening tool and die steel of the 5% chromium type. Basically a general purpose air-hardening tool steel. It is designed for a wide variety of applications for which its safe hardening and minimum distortion characteristics or its excellent wear resistance are important. This datasheet provides information on composition, hardness, tensile properties, and compressive and bend strength as well as fracture toughness. It also includes information on forming, heat treating, and machining. Filing Code: TS-64. Producer or source: Joseph T. Ryerson & Son Inc. (Distributor).