ELECTROLESS NICKEL

ELECTROLESS NICKEL

Electroless Nickel (EN) is the deposition of a Nickel alloy without the use of an electrical current. EN utilizes an autocatalytic chemical reaction, resulting in reliable, repeatable coating with uniform thickness. EN demonstrates excellent corrosion protection, with similar lubricity properties to electroplated chromium. EN effectively coats parts with sharp edges, deep recesses, seams, threads, and complex geometries. Variations of EN bath chemistry include: High, 10% to 13% Phosphorus, for applications that need superior corrosion protection; Medium, 5% to 9% Phosphorus, for general use applications; Low, <5% Phosphorus, for applications that need a hard a hard, wear and alkaline resistant coating; Nickel Teflon, for increased lubricity and reduction in friction. EN can also be rendered non-magnetic, making it the optimal choice for electromagnetic shielding.

ARNOLDā€™S METAL FINISHING ELECTROLESS NICKEL PLATING CAPABILITIES ARE:

  1. Plating thickness range of 0.0001 to 0.0050 in. (For information on plating over 0.0020 in., please contact us !)
  2. Rack and Barrel plating available
  3. Available masking for selective surface plating
  4. Salt Spray Corrosion Test (1000 hours for high phos, 250 hours for mid-phos)
  5. Baking after plating can result in hardness as high as 70 Rc
  6. Hydrogen Embitterment Relief Bake (Parts with a hardness of 40 Rc or greater will be baked a minimum of 3 hours at 375 F to relieve entrapped hydrogen)
  7. Thickness Analysis

APPLICABLE SPECIFICATIONS

MIL-C-26074 MIL-STD-171 (1.4.3) MIL-F-14072 (M265)
ASTM B733 ASTM B656 AMS 2404
AMS 2405 ISO 4527

COMMON APPLICATIONS OF ELECTROLESS NICKEL INCLUDE:

  1. Electrical Equipment, due to solder ability and conductivity.
  2. Petroleum Products, due to superior corrosion and abrasion resistance.
  3. Packaging and Handling Machinery, due to wear resistanceĀ  attractive finish, and cleanliness.
  4. Chemical Equipment, due to chemical resistance.
  5. Molds & Dies, due to a lubricity that minimizes erosion and abrasion.
  6. Food Service Equipment, for superior corrosion and wear resistance
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