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At Thornton Engineering we offer one of the largest Stress Relieving ovens in the southern hemisphere. Extreme heat in metals causes unwanted changes to the microstructure of the material. Through Stress Relieving we can improve hardness, ductility and reduce the risk of brittle fracture to the material, by re-heating the material to temperatures dictated by specific codes.


  • Length: 25m
  • Width: 7m
  • Height: 7m
  • Gas Supply: 7kPa to 70kPa
  • Combustion chamber volume: 936m3
  • Operating temperature: 300-800°C
  • Maximum temperature: 1000°C
  • Add 21 burners at 30° incline
  • Add 5 side wall flues and 4 chamfered edges spread evenly to improve circulations and prevent impingement

Products & Services

  • Quenching and tempering
  • Vessels, columns and towers
  • Evaporators
  • Reactors
  • Autoclaves
  • FFC Units
  • Feedwater heaters and condensers
  • Blow down receivers
  • Waste heat boilers
  • Tail gas heaters
  • Hyperbaric chambers
  • Scrubbers
  • Frames

Downloads & Media

Further Information

Craig Malt +61 (0) 3 5274 3180

Stress Relieving Oven Gallery

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