Austempered Ductile Iron
austempered ductile iron, the material
ADI applications
austempered ductile iron
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Heavy Truck

Economic growth drives the need to haul heavier loads over longer distances, resulting in more time between vehicle maintenance and some difficult engineering challenges. The Heavy Truck industry recognised the potential benefits of Austempering solutions many years ago. Manufacturers took advantage of the versatility of ADI to introduce innovative light weight, high performance parts.

Typical examples include:


  • Diesel Engine Timing Gears
  • Hypoid Ring and Pinion Gears
  • Jack Stand Gears
  • Suspension Brackets
  • Gear Housings
  • Sprockets
  • CV Joints
  • Differential Housings
  • Wheel Hubs


  • Timing Gears
  • Cylinder Liners

Austempered Steel

  • Transmission Wave Plates
  • Transmission Gears
  • Output Shafts

Carbo-Austempered Steel

  • Output Shafts
  • Pump Shafts
  • Starter Clutch Shells
  • Drive Splines
  • Differential Pinions
  • Side Pinions

ADI Treatments Limited, Doranda Way, West Bromwich, West Midlands, B71 4LE  Tel: +44 (0)121 525 0303