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Top Ten Facts About Electroless Nickel Plating (ENP)

At CBE+, Electroless Nickel Plating (ENP) is our core surface treatment service– and with good reason. This highly versatile coating plays a vital role in improving component performance across a range of demanding industries, from aerospace and automotive to energy and renewables.

But what makes ENP so special? Here are ten facts to help you understand its advantages and why CBE+ is trusted by OEMs and innovators alike to deliver exceptional performance.

  1. No Electricity Required

Unlike electroplating, ENP doesn’t use an external electrical current. Instead, it relies on a controlled chemical reaction to deposit an even layer of nickel-phosphorus alloy onto the component surface. This makes it ideal for coating complex geometries and internal surfaces.

  1. Uniform Thickness, Even on Complex Shapes

ENP provides an exceptionally uniform coating – even on intricate parts with internal bores, threads, and recesses. This reduces the need for post-plating machining and ensures consistent protection where it matters most.

  1. Exceptional Corrosion Resistance

ENP offers excellent protection against corrosion, especially in harsh environments. The level of phosphorus in the coating (medium or high) can be tailored to meet specific corrosion resistance requirements.

  1. Enhanced Wear Resistance

When hardness and wear resistance are essential, ENP delivers. Heat-treated ENP can achieve hardness values up to 1000 Vickers (comparable to hard chrome), making it ideal for components exposed to friction, abrasion, and heavy use.

  1. Perfect for Precision Engineering

Because it adds a controlled and consistent layer, ENP is often used in precision components where tolerances are tight, and dimensional accuracy is critical.

  1. Suitable for a Range of Base Materials

ENP can be applied to a variety of substrates, including steel, stainless steel, aluminium, copper, brass, and even some plastics. This versatility makes it useful across many manufacturing sectors.

  1. Follows the Surface Finish of the Base Material

Electroless Nickel Plating doesn’t smooth out or improve the surface finish — it follows the texture of the original material. If a smooth or shiny finish is needed, the part must be properly prepared before plating. Find out more here!

  1. Ideal for Harsh Industrial Environments

Industries like oil & gas, defence, and subsea often rely on ENP for components exposed to aggressive chemicals, saltwater, or high-pressure environments. CBE+ has the expertise and approvals to serve these sectors.

  1. Can Be Combined with Other Services at CBE+

One of the major advantages of choosing CBE+ is our ability to integrate ENP with CNC machining, assembly, paint and more – providing a streamlined, single-source solution for your engineered components.

  1. Backed by Decades of Expertise

At CBE+, our ENP facility is operated by a skilled team with decades of plating experience. We understand how to tailor the process to your application – and we’re always ready to support your project from prototype to production.

Need ENP for your next project?

Whether you need enhanced corrosion protection, wear resistance or a precise and uniform coating, our electroless nickel plating team is here to help. Get in touch to discuss how CBE+ can add value to your components.