| Elements (mg/liter) | Non-coated | Thin coating (0.35 g/m2) | Thick coating (0.5 g/m2) |
| Aluminium | 117 | 2.17 | 1.71 |
| Zinc | 5.57 | 3.65 | 3.60 |
| Copper | 0.101 | 1.13 | 0.765 |
| Chromium | 0.558 | 0.091 | 0.082 |
| Zirconium | 0.021 | 0.020 | 0.022 |
| Iron | 0.085 | 0.027 | 0.018 |
| Magnesium | 3.97 | 0.565 | 0.495 |