Depending on what you are bluing you may have an issue with hydrogen embrittlement doing hydrogen peroxide flash rust bluing on hardened or high stress metals. Won't hurt mild steels, but things like...
Type: Posts; User: canross
Depending on what you are bluing you may have an issue with hydrogen embrittlement doing hydrogen peroxide flash rust bluing on hardened or high stress metals. Won't hurt mild steels, but things like...
It sounds like you're looking for a fairly easy solution, so an etching paint is probably the best option. Really don't bother with cold-bluing solutions... they're just a selenium dioxide solution....