Quick Facts
  • Finds use in construction equipments
  • Tough and wear resistant
  • Improves equipment performance

Austempered Ductile Iron

Austempering is an isothermal treatment that imparts superior properties to ferrous components. In line with the maxim of providing cutting edge technology services by virtue of its technical licence from Applied Process Inc to customers, HIGHTEMP offers a range of Austempering Heat Treatment services to manufacturers and end users of cast iron parts. These include - ADI (Austempered Ductile Iron), AGI (Austempered Gray Iron) and CADI (Carbidic Austempered Ductile Iron).

ADI is made by special heat treatment of cast ductile iron castings and ADI parts exhibit twice the strength of ductile iron with good toughness, wear resistance and fatigue strength. ADI parts are used extensively in automotive, agricultural, mining, construction and railway sectors, and have successfully replaced steel fabrications, weldments and forgings.


  • Higher Tensile and Yield strength
  • Lighter than steel
  • Excellent Wear Resistance
  • Excellent Impact Strength
  • Lower cost than steel and aluminum
  • Cast to near net shape



  • Diesel Engine Timing Gears
  • Hypoid Ring & Pinion Gears
  • Off Highway Drive Axles
  • Sprockets
  • CV Joints
  • Differential Housings
  • Wheel Hubs


  • Cylinder Liners
  • Timing Gears


  •  Digger Teeth
  • Wear Plates
  • Cam Shafts
  • Cam Followers
  • Pump Impellers
  • Plow points
  • Cutters

HIGHTEMP’s leadership in the Commercial Heat Treatment arena in India coupled with a strategic alliance with Applied Process Inc., USA - a pioneer in the ADI domain – enables us to offer top of the line ADI services. As a Technical Licensee of Applied Process Inc., USA, HIGHTEMP offers distinct advantages like

  • Experienced and well trained in-house professionals
  • Large data base of process parameters obviating the need for trial & error
  • Completely programmed furnace – ensuring accurate controls & repeatability
  • Ability to heat treat all grades of ADI & convenient location of the heat treat facility

To know more about how ADI applications can benefit your business, please contact marketing@hightemp-furnaces.com