Fe Disc
| RM No. | 58A Fe-1018CD |
| Base | Fe Disc |
| Al | 0.0191 |
| As | 0.0033 |
| B | 0.0002 |
| C | 0.159 |
| Ca | 0.0002 |
| Co | 0.0056 |
| Cr | 0.08 |
| Cu | 0.098 |
| Mg | 0.0001 |
| Mn | 0.788 |
| Mo | 0.0329 |
| N | 0.0076 |
| Nb | 0.0011 |
| Ni | 0.083 |
| O | 0.0021 |
| P | 0.0108 |
| Pb | 0.00004 |
| S | 0.0292 |
| Sb | 0.0012 |
| Si | 0.207 |
| Sn | 0.0062 |
| Ti | 0.0008 |
| V | 0.0014 |
| W | 0.0007 |
| Zr | 0.0005 |



