It is possible to blacken stainless steel in a process like bluing although with a different chemical bath.
Robar does it.
I don't think you can phosphate (Parkerize) stainless.
It can also be blasted and coated to about any color.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.