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

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.