AMS2489A Blackening of Steel Touch Up Method
Reaffirmed
01/08/2021
- Features
- Issuing Committee
- 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.
- Pages
- 6
- Citation
- SAE International Material Specification, Blackening of Steel Touch Up Method, SAE Standard AMS2489A, Reaffirmed January 2021, Revised July 2015, Issued June 2003, https://doi.org/10.4271/AMS2489A.