| Grade | N4 | N6 | Nickel 201 | Nickel 200 | |
| Chemical Composition(%) | Ni | -- | -- | ≥99 | ≥99.2 |
| Ni+Co | 99.9 | 99.5 | -- | -- | |
| Cu | ≤0.015 | 0.1 | ≤0.25 | ≤0.25 | |
| Si | ≤0.03 | 0.1 | ≤0.35 | ≤0.35 | |
| Mn | ≤0.002 | ≤0.350.05 | ≤0.35 | ≤0.35 | |
| C | ≤0.01 | 0.1 | ≤0.02 | ≤0.15 | |
| Mg | ≤0.01 | 0.1 | -- | -- | |
| S | ≤0.001 | 0.005 | ≤0.01 | ≤0.01 | |
| P | ≤0.001 | 0.002 | -- | -- | |
| Fe | ≤0.04 | 0.1 | ≤0.4 | ≤0.4 | |









