Uddeholm AISI D2 is a high-carbon, high-chromium, air-hardening tool and die steel capable of great hardness and high resistance to abrasive wear. It is nondeforming and is also somewhat corrosion resistant. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on heat treating, machining, and joining. Filing Code: TS-567. Producer or source: Uddeholm Tooling AB.