OHIO DIE is a high-carbon high-chromium air hardening steel providing outstanding wearing ability with correspondingly long die life in service. It is equivalent to AISI Type D2 and ASM Class II D2. This datasheet provides information on composition, hardness, and bend strength as well as deformation. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-56. Producer or source: Vanadium-Alloy Steel Company.