Hello Tom!
I like the idea. But will this permantly darken it if it is chorme.
P'S'- I don'y know if you know this but stainless steel often has chomium, and more modern stainless may also contain nickel, niobium ,molybdenum, and titanium.
This information I got off of
http://chemistry.about.com/cs/metals...a/aa071201.htm