AMS2489B Blackening of Steel, Touch-Up Method

Revised

4/23/2026

Features
Issuing Committee
Scope
Content
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.
Details
Citation
SAE International Material Specification, Blackening of Steel, Touch-Up Method, SAE Standard AMS2489B, Revised April 2026, Reaffirmed January 2021, .
Additional Details
Published
19 hours ago
Product Code
AMS2489B
Content Type
Material Specification
Status
Revised
Language
English

Revisions