RE: [DMCForum] stainless cleaner

[mike clemens <rmclemns@xxxxxxxxx>]

Greg,  

It weren't Superman, but pretty close. :-)

Mike


--- timnagin <timnagin@xxxxxxxxxxxxxx> wrote:

> If the stainless is alloyed correctly then it will
> not rust.  You can see
> rust develop within the stainless grains if anyone
> used anything containing
> steel on the stainless.  For example, someone using
> an SOS pad or other
> steel wool abrasive that can leave remnants on the
> stainless.  A scratch can
> also harbor the materials that will rust if the item
> used to cause the
> scratch was made of steel.
> 
> Or, whoever peed on your door had a very high iron
> content in their urine :)
> 
> Greg
> 
> 
> -----Original Message-----
> From: mike clemens [mailto:rmclemns@xxxxxxxxx]
> Sent: Tuesday, November 09, 2004 11:29 PM
> To: DMCForum@xxxxxxxxxxxxxxx
> Subject: RE: [DMCForum] stainless cleaner
> 
> 
> 
> Lauren,
> 
> This is not meant to be a wiseass comment---I have a
> damaged Delo door that was "peed" upon, (not by me)
> and guess what, the dented parts are fine, but the
> scratched areas are rusting.  I realize this is not
> a
> scientific study, but, it verifies what I have
> always
> heard, SS rusts if scratched.
> 
> If someone knows any other reason why it would rust,
> only in the scratches, I would be appreciative of an
> explanation.
> 
> Mike
> 
> 
> --- Lauren <LPLand@xxxxxxxxxxxxx> wrote:
> 
> >
> > Maybe I'm all wrong, it's certainly been a while
> > since I took
> > Chemistry, but the components of the alloy are
> > bonded in such a
> > way that a surface scratch (or even a deep one)
> > would still cut down
> > to a consistent  pattern of elements  no different
> > inside than on top.
> > ..................LP
> > >
> > > I hope I remember this correctly, and anyone
> > please feel free to
> > > correct this as it has been awhile since my
> > material science classes.
> > >
> > > Stainless steel contains Chromium, and I believe
> > SS304 is at least 12%
> > > Cr. When the surface is scratched, the Cr reacts
> > with oxygen faster
> > > than the steel, creating the protective layer of
> > Chromium Oxide CrO3.
> > >
> > > Greg
> 
> 



            
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