Quote:
Originally Posted by IROC
For what it's worth, we used to passivate 304 all the time to reduce the propensity for corrosion. Passivation is really only a nitric acid based cleaning process. That really helps. Many times, what is actually corroding is the impurities left over from machining or other operations - not the stainless itself. Having said that, stainless steel is really more correctly called "corrosion resistent steel" or CRES.
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I have a "stainless steel" grill that is rusting. I expect that in the burnishing process, they used standard wire brushes, not stainless ones.