Beijing Gnail Heattreatment Technology Co, is famous for his liquid heattreatment technology in China.

  We have produce liquid nitriding salt series and Liquid cyaniding salt series.It can instead the HEF. Sursurf salt,Tenifer TF-1 and Degussa salt for most nitriding and cyaniding technology. Our products have been widely used in China. All experts in Gnail are skill in application for the technologies. We are professional.
  Our products have been exported to many countries and regions over the world with good quality. Gnail liquid salts offer so many pollutant-free solutions for manufacturer with low cost and easy operation.
  Gnail liquid salt including:
   Liquid nitriding salt series (Liquid nitriding salt and Restorable salt in liquid nitriding)
           Heattreatment temperature: 520~600癈
           Thickness of compound layer of surface: 0.01 to 0.02mm     
           Workpiece colour after heattreatment: Grey
           Hardness of surface: HV>700
           24 working hours consumption rate: 3% or so

   Liquid cyaniding salt series (Liquid cyaniding salt and Restorable salt in liquid cyaniding)
           Heattreatment temperature: 720癈 or so
           Thickness of the surface hardening layer: 0.08 to 0.3mm
           Workpiece colour after heattreatment: Grey

   Isothermal hardening salt series (Isotherma hardening salt, Stepped quenching salt)
          Working temperature:
           150~400癈 (Low temperature isothermal hardening salt )
           500~700癈 (middle temperature isothermal hardening salt )
          24 working hours aging ratio : No
      *Low temperature isothermal hardening salt is unsuitable for aluminum and aluminum alloy