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Corrosion Inquiry



(-----) 2006

How well does Nickel Plate finish prevent corrosion (RUST)?

Also, is there a chart or table that list a number of material finishes against corrosion?

Philip Belle
Koehler Instrument Company - Bohemia, New York
^


2006

There are lists of the general ideas behind various metal finishes. NASF at nasf.org offers one called "Understaning Surface Finishing". But I've never seen such a chart in several decades in this business, Philip, and I suspect that the reason is that it's too complicated. Zinc protects steel sacrificially, but doesn't offer the appearance of nickel or chrome (especially when applied in heavy coatings). A top quality multilayer nickel-chrome plating system can protect a bumper in the worst environment for decades, but a single layer of nickel plating doesn't offer much protection except in a benign interior environment.

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
^

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