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Originally Posted by Karantanec
Hmmm...
What do u mean by contaminated? The steel itself or impurities from outside?
WOuld the use of some anti-corroding agent in the coolant quarantee safety?
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Contaminated, as in the steel itself as a result of its manufacture.
If the steel is fine, and there's a
very good chance it will be, you won't need corrosion protection. If it isn't, then you basically need to treat it about the same as you would treat bare aluminium in a copper loop, which would mean at least a 25% concentration mix of anti-freeze/corrosion inhibitor.