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Galvanic Corrosion in 5052 Aluminum

I have an application where a fastener will be installed into a 5052 aluminum panel. I'm looking for suggestions for fastener material/plating that will will be electrically conductive and withstand a "harsh" outdoor environment (high humidity/salt).

Doug Cole
fasteners - Valencia, California
2003

Olive Drab Chromated Cadmium plated steel.

Robert H Probert
Robert H Probert Technical Services

Garner, North Carolina

2003

Organic coatings from Magni and Metal Coatings International (Dacromet and Geomet) are often used for improving the compatibility of aluminum and steel. The organic coatings are filled with aluminum and/or zinc, which reduces the galvanic effect. You can obtain more information from the respective companies.

Toby Padfield
automotive suspension components/modules - Michigan
2003

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