O6 is an oil hardening stable cold work die steel that has evenly distributed graphite particles giving it a unique non-seizing characteristics. This material offers good machinability and good wear and abrasion resistance. O6 is available in Plate and Round Bar forms. The optimal hardness range is 58-64 HRC.
For more detailed information download the tech bulletin PDF below:
AISI 0-6 Oil Hardeing Tool Steel