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 |