Lo-Air is a high-carbon alloy steel having air hardening characteristics. It is a deep hardening steel producing a combination of high strength, toughness and wear resistance. It is recommended for precision tools and heavy duty blanking and forming dies. This datasheet provides information on composition, physical properties, hardness, tensile properties, and bend strength as well as fracture toughness and fatigue. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-154. Producer or source: Cyclops Corporation.