Black Oxide Coatings

Black oxide coatings provide a thin corrosion resistant oxide for ferrous materials. The black coating is both decorative and functional. The oxide provides corrosion resistance without producing any dimensional changes in the components. The coating can be applied to all ferrous materials including stainless steel.

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Black Oxide Articles

Black Oxide Coatings for Helicopter Transmission Components

Black Oxide Coatings for Helicopter Transmission Components

Helicopter transmissions are the heart and soul of the rotary aircraft.  The design of this critical flight system includes a variety of precisely machined components produced from a highly scrutinized selection of materials.  All of these components are protected by...

Specification Numbers for Black Oxide Coatings

  • AMS-2485
  • Mil-DTL-13924 (Class I & IV)
  • HP4-50 (Boeing)
  • M69838 (Honeywell)
  • M69458 (Honeywell)
  • M690330 (Honeywell)

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