The Hardenability Of Steel

The hardenability of steel is the ability of steel to partially or completely transform from austenite to martensite (when cooled in a given quenching medium).

Hardenability involves a rapid transition from a state of 100% austenite to a high percentage of martensite.

Note - Hardenability should not be mistaken for hardness.

* Hardness is the measure of a material's resistance to indentation or deformation. while hardenability is the ability of steel to form martensite.

* The Jominy end quench test is used to test the hardenability of steel.

The relationship of hardness to distance from the quenched end is an indication of its hardenability.

- The major factors that affect hardenability include:

• Carbon content of the steel
• Austenite grain size
• Alloying element.

Other factors that can affect hardenability include the geometry of the specimen and the quenching medium used.

This video explains and summarizes all you need to know about hardenability. #steel #endquenchtest #Hardenabilityofsteel

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