Essentials of Heat Treatment of Steel

Provided by: ToolingU

"Essentials of Heat Treatment" provides a through introduction to steel heat treatment, including a discussion of how heat and carbon content impact a steel's microstructure. This class also describes common heat treating methods, such as annealing, quenching, normalizing, and tempering. Steel is heat treated to adjust the metal's properties. Heat treatments can increase a steel's hardness or ductility, or relieve stresses that accumulate due to other processing steps. To choose the best heat treating method for an application, manufacturers must understand how heat and carbon dictate phase changes and how different processes can be combined to produce a desired property. After completing this course, users will be familiar with heat treating theories and processes and be better equipped to use heat treatments.

Course Objectives:

  • Define heat treatment
  • Define allotropic
  • Describe allotropic changes in iron
  • Describe the iron-carbon phase diagram for steel
  • Describe ferrite and austenite
  • Describe cementite
  • Define hypoeutectoid and hypereutectoid steels
  • Describe the formation of pearlite
  • Describe the formation of bainite
  • Describe the formation of martensite
  • Define hardenability
  • Define annealing
  • Define normalizing
  • Define quenching
  • Describe common quenching mediums
  • Describe tempering
  • Describe the combination of heat treatment steps.

Recommended Background

  • Recommended for Manufacturing / Material Engineers.

Course ID







Communication, Critical Thinking, Personal Effectiveness, Heat Treatment, Metallurgy

Method of Delivery


Estimated Effort

3 hrs



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