| Metal | Standard electrode potential for metal | Corrosion Potential in aerated 0.5 M of NaCl solution pH-6 |
|
| V | V |
| Mg | −2.37 | −1.40 |
| Al | −1.63 | −0.57 |
| Zn | −0.76 | −0.78 |
| Cr | −0.74 | −0.11 |
| Fe | −0.44 | −0.44 |
| Cu | +0.34 | +0.06 |