Air Hardening
Characteristic of a steel that it becomes partially or fully hardened (martensitic) when cooled in air from above its critical point. Not necessarily applicable when the object to be hardened has considerable thickness.
Related Links
Air Hardening Steel | Byington Blades
Air-hardening Steel | Definition of Air-hardening Steel
A2 air hardening technique?
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Air Hardening S7 Process Video
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