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SAE AMS2489B

Blackening of Steel, Touch-Up Method

STANDARD published on 1.4.2026

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The information about the standard:

Designation standards: SAE AMS2489B
Publication date standards: 1.4.2026
Country: American technical standard
Category: Technical standards SAE

Annotation of standard text SAE AMS2489B :


This specification covers the requirements for an inorganic black coating applied at ambient temperature to steel to touch up black oxide coating in areas where the black oxide has been removed. This coating is intended only to visually change the surface to a black color, not to meet the requirements of any black oxide specification.

SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Material Specification