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Quite a puzzle why only half this gas tank clamp rusted, other half like new 850 1995

posted by  B.B. on  Tue Mar 6 17:11 CST 2012
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last visit: Mon Oct 6 13:15 CST 2014
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Such an interesting photo and subject.
My guess is that the rusted part is more base than the other part.
or the rusted part was on a more noble metal.
Electrolysis is what eats up metals. The base metal is the donor.

Have you ever seen a unibody (welded car body) rust out at the welds
between panels? How about it's the wrong welding rod for the sheetmetal,
setting up essentially a series of semiconductors at the junction of the unlike metals- electrolysis - destroying car bodies. Makes you wonder about using
stainless near ordinary steel.

Would GM, Ford and the others do that on purpose?







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New 1 Quite a puzzle why only half this gas tank clamp rusted, other half like new [850][1995]
posted by  Three5bangers  on Tue Mar 6 14:27 CST 2012 >


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