Definitions for "Flame hardening"
A process in which a high temperature flame is applied to the surface of a hardenable steel to convert it to austenite. The surface is then quenched to harden it.
A process consisting of heating a desired area, usually localized, with an oxyacetylene torch or other type of high temperature flame and then quenched to pro duce a desired hardness.
In this method of hardening, the surface layers of a medium or high carbon steel is heated by a high temperature torch and then quenched.
Keywords:  welding, flash
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