Letter 37032

Looking for materials to be plated on a steel electrical terminal  

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We are actually busy to design a meter in which there are steel terminals. At the moment, these terminals are plated with Zinc and Chromium. However, we have problems with this plating because chromium seems to be broken down by water and it reveals the Zinc plating which is able to be oxidated. That is why I would like to find other materials for this plating. Could you please give me information about other useable materials (cheaper than silver and gold, and having good electrical conductivity).

Samuel MERLET
Industrial Placement Trainee - Felixstowe, Suffolk, ENGLAND

0.0002" of bright nickel could be an alternative.

Tom Pullizzi
- Levittown, PA

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