Galvanic Corrosion Calculator

Analyze galvanic series compatibility and corrosion risk between dissimilar metals on boats

Input Parameters

Results

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Potential Difference
V
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Corrosion Risk
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Anodic Metal (corrodes)
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Protection Method

Reference

Galvanic Series (seawater, V vs Ag/AgCl): Zinc -1.03 | Aluminum -0.76 | Steel -0.60 | 316 SS 0.0 | Bronze +0.27 | Copper +0.34 >0.25V difference = significant corrosion risk Always use isolation when mixing metals