[TheForge] Stainless contamination

[Craig Schaefer]

Depends on your alloy.   It is the combination of iron and oxygen that 
IS rust.

craigs
gresham, or

Pwwhitley at aol.com wrote:

>Bruce...I have to contradict you.  I have several stainless pieces  
>(sculptures) that have never been chemically passivated and have been outside  for 
>years with no rust.  The only treatment was to grind or sand the  surface exposing 
>new metal and keeping it exposed to air.  Uncontaminated  SS (no iron 
>particles on surface) will not rust as long as oxygen is  present.  
> 
>A plastic covering, if left in place where moisture can get under it, might  
>actually cause rust by depriving the metal of the oxygen needed to maintain 
>its  oxide protection.  
> 
>Philip
>SC
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