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Galvanic problems



2000

I need to know if there are any galvanic problems between Iridited aluminum and either zinc chromated steel, or passivated stainless steel, in an office environment.

- Brian Debelius
Mechanical Designer DRS Advanced Programs, Inc.



2000

For my opinion there is galvanic effect between those metals even in office atmosphere, the rate of corrosion will propagate depend on the humidity in the office room but for sure there is galvanic effect.

yehuda blau
Yehuda Blau
YB Plating Engineering and Quality - Haifa Israel



2000

Alloy tin-cadmium is about the least potential couple that you can get. Diffused tin cad is OK also. These are picky baths and do not recommend them. Cadmium plated and chromated is next and stainless steel is after that and zinc plated steel is the least desirable. Look at all of the electronic cabinetry that is Alodined and plated screws with a blue chromate which is the leas effective of all. I would not expect a huge problem unless it was in the warehouse or similar.

James Watts
- Navarre, Florida


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