Ni Disc
| RM No. | 58A Ni-625 |
| Base | Ni Disc |
| Al | 0.215 |
| As | 0.0012 |
| B | 0.0015 |
| C | 0.0241 |
| Ca | 0.00012 |
| Co | 0.066 |
| Cr | 21.71 |
| Cu | 0.073 |
| Fe | 3.06 |
| Mg | 0.0042 |
| Mn | 0.068 |
| Mo | 9.23 |
| N | 0.0112 |
| Nb | 3.6 |
| Ni | 61.3 |
| O | 0.0013 |
| P | 0.0065 |
| Pb | 0.00003 |
| S | 0.00049 |
| Sb | 0.00018 |
| Si | 0.08 |
| Sn | 0.0008 |
| Ta | 0.0034 |
| Ti | 0.287 |
| V | 0.0151 |
| W | 0.066 |



