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Stainless & rusting

Subject: Stainless & rusting
From: Barrie Robinson <>
Date: Thu, 28 Nov 2002 09:00:00 -0800
I dimly remember my metallurgy lectures at university and I do not seem to 
be able to work this one out.  Different metals in contact with each other 
when a electrolyte (water will do) is present causes corrosion due to their 
dissimilar potential differences.  So what happens when one uses stainless 
steel bolts in plain jane steel of wings (fenders) etc.?  Is stainless 
inactive and appears like plastic to the other metal - or do they rot the 
other metal?

Any metallurgy experts out there?


Barrie Robinson -

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