What is a STAIN?? Do tell.
Because STEEL will STAIN and OXIDIZE no matter WHAT it is called.
As I said, and as you fail to realize, Stainless is NOT STAINPROOF.
Here you go -
Stainless steel does not stain, corrode, or rust as easily as ordinary steel (it stains less, but it is not stain-proof).
So what do we mean when we say that stainless steel is stainless? Does that mean if we spill our coffee on it that it won't stain? Not exactly. The name gets it origin from the fact that
stainless steel corrodes or rusts less easily than ordinary steel. In this article we'll look into the chemistry behind stainless steel and find out what makes it stainless.
WAIT!!!
WHAT WAS THAT???
stainless steel corrodes or rusts less easily than ordinary steel
LINK
Sit down before you hurt yourself.
""True stainless doesn't rust""

