Austemper, Inc. | (586) 846-4605
33180 Kelly Road, Clinton Township, MI 48035

"Austemper Specialists"
 
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What is Austempering?

The austemper process offers benefits over the more conventional oil quench and temper method of heat treating springs and stampings that requires the uppermost in distortion control. The process consists of quenching the part from the proper austentizing temperature directly into a liquid salt bath at a temperature between 590 to 710 degrees Farenheit.

The part is held at this quench temperature for a recommended time to transform the Austenite into Bainite. The part is then removed from the salt quench and air cooled to room temperature.

Advantages of Austempering:

  • Less Distortion
  • Greater Ductility
  • Parts are plater friendly due to the clean surface from the salt quench
  • Uniform and consistent Hardness
  • Tougher and More Wear Resistant
  • Higher Impact and Fatigue Strengths
  • Resistance to Hydrogen Embrittlement

You should use the Austempering process if:

  • Material used: SAE 1045 to 1095, 4130, 4140, 5060, 5160, 6150
  • Material thickness between 0.008 and 0.150 inches
  • Hardness requirements needed in between HRC 38-52
  • Distortion prone

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Definition of Austempering:

Austempering is a hardening process for metals which yields better mechanical properties including:
• Higher Ductility
• Resistance to Shock
• Uniform Hardness

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