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Heat Treating Fundamentals

 

Hardness & Hardening Temperature vs Carbon
Hardness & Hardening Temperature vs Carbon

 

Isothermal Transformation Diagram
Isothermal Transformation Diagram

Induction Hardening 1045 Steel
Induction Hardening 1045 Steel
* Depth at 50RC hardness
   Because prior structure affects the response of the material, a quench and tempered part is optimum.

 

Typical Temperature Profiles through Heat Treating
Typical Temperature Profiles through Heat Treating

Time-temperature cycle for case hardened 2.63 in. diameter part showing temperature changes with time at indicated distances from center to surface of piece. Also illustrated is average temperature for various times during this surface hardening treatment.

 

Quench Media for Hardening
Quench Media for Hardening

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