Corrosion Potential Calculator
Galvanic Corrosion, Anode Sizing & Bonding System Assessment
Galvanic Series Potential
Select two dissimilar metals to calculate galvanic potential and corrosion risk.
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Anode Sizing & Life Predictor
Calculate anode size and estimated life based on hull material and surface area.
Bonding System Integrity Check (ABYC E-2)
Enter resistance readings (in Ohms) from your bonding system. ABYC E-2 requires maximum 1 Ohm resistance between bonded items and anodes.
Stray Current Risk Assessment
Answer the following questions to assess your boat's vulnerability to stray current corrosion.
Galvanic Series Reference (Seawater)
| Metal/Alloy | Potential (V) | Characteristic |
|---|---|---|
| Magnesium | -1.60 to -1.63 | Most Anodic (Sacrifices First) |
| Zinc | -0.98 to -1.03 | Anodic (Sacrificial Anode) |
| Aluminum | -1.10 | Anodic |
| Mild Steel | -0.60 to -0.71 | Anodic |
| Bronze | -0.02 to +0.10 | Cathodic (Protected) |
| Stainless Steel (316) | +0.30 to +0.50 | Most Cathodic (Protected) |