oil hardening steel

oil hardening steel
used to describe tool or alloy steels where oil is used as the quenching medium in the hardening process.

Mechanics glossary. 2013.

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  • air-hardening steel — sometimes referred to as self hardening steel. A steel that becomes fully hardened when cooled in air from above its critical point and does not require rapid quenching by oil or water. The risk of distortion is greatly reduced by air hardening.… …   Mechanics glossary

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  • hardening — increasing the hardness of steel by heat treatment. This normally implies heating the steel to a required temperature and quenching in a suitable medium, e.g., oil or water. age hardening case hardening cyanide hardening flame hardening induction …   Mechanics glossary

  • oil-harden — ˈ ̷ ̷| ̷ ̷ ̷ ̷ transitive verb : to quench (steel) in oil for the purpose of hardening * * * /oyl hahr dn/, v.t. Metall. to quench (steel) in a bath of oil. Cf. water harden. [1900 05] …   Useful english dictionary

  • Tool steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …   Wikipedia

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  • Carbon steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …   Wikipedia

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