ISONITE® QPQ Nitriding

ISONITE® QPQ Nitriding

ISONITE® QPQ (per SAE AMS 2753) is a high-performance variety of salt bath nitrocarburizing process. It is also known as Liquid/Salt Bath Ferritic Nitrocarburizing (FNC) process. It is a thermochemical diffusion process whereby nitrogen-bearing salts generate a controlled release of nitrogen at the interface of a ferrous part.


  • Improved Durability
  • Corrosion Resistance Better than Chrome Plating
  • Low Material Distortion
  • Greater Resistance To abrasion And seizure
  • Fatigue Endurance is Extended
  • Heat Resistance
  • Uniform and Beautiful Black Appearance

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Salt Bath Nitriding Heat Treatment

Parker Trutec Springfield, MMI-Tennessee, and MMI-Arkansas facilities offers world class ISONITE® QPQ Nitriding services for customers in mid-west and southern states, USA. We provide the convenience and flexibility your company needs to meet the demanding requirements of today’s manufacturing environment.