U.S. Chrome Corporation

Electroless Nickel

Electroless Nickel

Electroless nickel plating provides parts with a microcrystalline to amorphous nickel-phosphorous alloy coating. This coating creates a barrier on the substrate and maximizes the objects surface corrosion resistance. Electroless nickel plating is offered in three different phosphorus content weights: Low Phosphorus, Mid Phosphorus, and High Phosphorus. The phosphorus content can be changed to best fit your needs for corrosion, wear, and hardness.

Electroless nickel is generally applied to a thickness range of 12 to 25 microns (0.0005” to 0.001”) and typically does not require further surface finishing, machining, or grinding after plating. The coating creates a thick barrier that fills any minor imperfections in the substrate. Due to its uniformity, electroless plating is superior to its electrolytic counterpart. The hardness and wear resistant properties also stand out against other surface finishes.

Features & Benefits of Electroless Nickel Plating

• Electroless plating is best for corrosion resistance
• Deposits nickel uniformly in thickness and in volume
• Conforms to the shape of the object
• Heat resistant up to 540°C (1000°F)
• Good durability
• Superior bond strength to base metal
• Doesn’t require electrical power

After the electroless nickel plating process, parts can be heat treated at relatively low temperatures (400° C to 450°C) to achieve higher hardness (up to 1000 HVN); however, corrosion resistance is reduced.