AISI Type A10 is a high-carbon graphitic tool steel capable of developing high hardness and wear resistance. It is recommended for shear blades, blanking and forming dies, drawing dies and wear plates. This datasheet provides information on composition and hardness as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-220. Producer or source: Timken Roller Bearing Company.