Austempering Applications

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Austempering Applications Detail

In the conventional austempering process, the casting material is allowed to stand for a sufficient time (usually 1-2 hours) until a completely austenite (γ) matrix is obtained in the temperature range 850-950 ° C. Thereafter, it is rapidly cooled to a temperature range of 250-400 ° C and allowed to stand at the selected temperature for 1 to 4 hours, then cooled to room temperature in air.

The main purpose of the austempering heat treatment in spheroidal graphite cast irons is to form an acicular (beynitic) matrix structure composed of carbide-free ferrite, in which high-carbon austeniticity occurs.

Application Areas of Austempered Cast Iron Parts


  • timing gear
  • output shaft
  • control arm
  • Joint
  • engine mount
  • Differential crankcase
  • crankshaft
  • ball joint
  • tow hook

Agricultural Machinery

  • plow tip
  • control arm
  • bucket teeth
  • J-Hook
  • pruner gear

Heavy Vehicles

  • torqueplate
  • U bolt bridge
  • tail bracket
  • wheel hubs
  • Differential case and clutch ring
  • spindle hook