Austempered Ductile Iron
austempered ductile iron, the material
ADI applications
austempered ductile iron
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Gears, Shafts and Powertrain

For high performance gear and powertrain manufacturers, Austempered materials offer greater wear resistance, reduced noise, improved bending and contact fatigue, as well as increased strength and durability.

Austempering an iron, steel, or powdered metal component (depending on the specific application) can therefore deliver a valuable competitive edge. Companies such as Delphi Automotive, Dana Corporation, Ford Motor Company, AGCO, John Deere, and General Motors are among those selecting ADI and Austempered steels for production and design.

Some typical applications in this industry include:


  • Diesel Engine Timing Gears
  • Hypoid Ring and Pinion Gears
  • Off-Highway Drive Axles
  • Ring Gears
  • Gear Housings
  • Sprockets
  • CV Joints
  • Differential Housings
  • Wheel Hubs
Carbo-Austempered Steel

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

  • Transmission Wave Plates
  • Transmission Gears
  • Sprag Races
  • Output Shafts

  • Timing Gears
  • Cylinder Liners

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