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Cal-Aurum
  • Home
  • Manufacturing Process
  • Plating Types
    • Gold
    • Silver
    • Palladium Nickel
    • Tin
    • Albaloy
    • Electroless Nickel
    • Copper
    • Nickel
  • Cal-Aurum
  • Quality / Accreditations
  • About Us
  • Contact






plating type


electroless nickel plating


Electroless nickel, using an autocatalytic deposition process (without electricity), is primarily used to provide a hard deposit resistant to both corrosion and wear, and is well known for its ability to provide uniform deposits on complex part geometries. In addition, Electroless nickel may be thermally treated after plating to increase its hardness level. Electroless nickel plating may be used as an underplate layer for gold and other precious metals or as a heavy deposit for additional protection against corrosive environments. Engineering purposes are many, including resistance to wear, abrasion, and high temperature environments up to 1000º F (537º C). Given its deposit uniformity characteristics, it may be a better choice when attempting to build up undersized or worn material surfaces.


specifications

ASTM B 733


PHOSPHORUS CONTENT


type i


No requirement


type ii


1 - 3 %


type iii


2 - 4 %


type iv


5 - 9 %


type V


10% and above


Service Conditions (thicknesses):


  • SC-00.000004"
  • SC-10.0002"
  • SC-20.0005"
  • SC-30.001"
  • SC-40.003"


Post Heat Treatment Classes:


  • 1 As-deposited, no heat treatment
  • 2HT at 260-400°C to produce 850 HK100 minimum
  • 3HT at 180-200°C for 2-4 hours
  • 4HT at 120-130°C for at least 1 hour
  • 5HT at 140-150°C for at least 1 hour
  • 6HT at 300-320°C for at least 1 hour


specifications

AMS 2404 Electroless Nickel Plating


Class:

  1. Except for hydrogen embrittlement relief, no post plate thermal treatment
  2. Thermal treatment at 450 °F (232 °C) or above to harden the deposit
  3. Thermal treatment at 375 °F (191 °C) to improve adhesion for non heat-treatable materials
  4. Thermal treatment at 250 °F (121 °C) to improve adhesion for heat-treatable aluminum alloys


specifications

AMS 2405 Electroless Nickel Plating, Low Phosphorus


Class:

  1. Except for hydrogen embrittlement relief, no post plate thermal treatment
  2. Thermal treatment at 450 °F (232 °C) or above to harden the deposit
  3. Thermal treatment at 375 °F (191 °C) to improve adhesion for nonheat-treatable materials
  4. Thermal treatment at 250 °F (121 °C) to improve adhesion for heat-treatable aluminum alloys


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