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Electroless Nickel Plating

Electroless nickel plating is an auto-catalytic reaction, unlike electroplating, it is not necessary to pass an electric current through the solution to form a deposit.
Therefore it has several advantages:

Free from the need of the current to reach the area to be plated, nickel can be coated everywhere the solution touches the part. This means that it can plate the inside of tubes or holes which has design advantages over other electroplating processes.

Since it isn’t effected by high or low current density areas it plates an entirely even deposit over the whole part.

The electroless nickel coating is a nickel-phosphorous alloy, which is extremely hard, over 800 HV with post heat treatment, and therefore used for wear resistance. Depending on the requirements, there are different phosphorous contents available.

Plating Capabilities

  • Low-Phos 3-6% Phosphorus
  • Mid-Phos 5-9 % Phosphorous
  • High-Phos 10-13 % Phosphorous
  • Precision masking available for selective plating
  • Plating thickness analysis using XRF technology, coating weight, magnetic methods

Example Specifications

Typical Applications

  • Wear resistance and hardness for complex components
  • Electrical/mechanical tools
  • Oil field valves
  • Drive shafts
  • Electrical/mechanical tools
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Would recommend as they provide good overall service.
We have a good working, professional relationship and SWMF endeavour to achieve our aims and aspirations.
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