AL TECH OILGRAPH is an oil-hardening, non-deforming graphitic tool steel. It has excellent machinability and outstanding resistance to wear and galling. Hardening is safe and easy. Typical applications are gages, cold-forming tools, punches, spindles and bushings. This datasheet provides information on composition, physical properties, microstructure, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-463. Producer or source: AL Tech Specialty Steel Corporation.