Diffused Nickel Plating

Diffused Nickel Plating has all the benefits of Electroless Nickel Plating and more. A specific type of Heat Treatment is employed after the initial plating, to improve the corrosion resistance of Electroless Nickel plating, meeting the demands of more extreme environments.

Diffused Nickel Plating is becoming ever more popular within the oil and gas sectors as a means of providing enhanced corrosion protection in harsh environments. By incorporating the corrosion resistant properties of Electroless Nickel Plating with the added benefits of Heat Treatment to produce Diffused Nickel Plating, it is possible to extend the operational life of subsea components up to 30 years.

Click here for a full list of differences between Diffused Nickel Plating and Electroless Nickel Plating.

The process:

High Phosphorous Diffusion Electroless Nickel is an Electroless Nickel deposit which diffuses, after a specific Heat Treatment, into the carbon steel substrate resulting in a very high corrosion and wear resistance in very severe conditions such as offshore or subsea.

After plating the component with Electroless Nickel, a Heat Treatment at high temperature is applied. As a result of the chosen heating temperature and time, a diffusion layer (i.e., the Electroless Nickel Plating and the substrate mix), between the Electroless Nickel deposit and the steel substrate is created.

  • Heat Treatment at 610°C: average diffusion layer thickness of 3 to 5 µm.

After Heat Treatment in an atmospheric oven, a typical olive-green colour appears. In an oven with inert gasses or under vacuum, the deposit maintains its metallic aspect.

CBE+ Diffused Nickel Plating process is the highest standard for corrosion resistance via the plating process.

Properties include:

  • Highest levels of corrosion resistance.
  • Cheaper alternative to stainless steel.
  • Ideal for marine environments.
  • 25-30-year sub-sea guarantee.

IF YOU WOULD LIKE MORE INFORMATION ABOUT DIFFUSED NICKEL PLATING & ELECTROLESS NICKEL PLATING FROM CBE+, PLEASE CONTACT US 01246 859200.