| Answer | Crossword Clue |
|---|---|
| MANGANESE | Metal for hardening steel. |
| MANGANESE | Metal used for hardening steel. |
| IRON | Metal in steel |
| IRON | Metal found in steel |
| MANGANESE | Metal important to steel industry. |
| DAMASCUS | ... steel (metal used in Middle Eastern swordmaking) |
| MANGANESE | Grayish white metal used to harden steel. |
| COBALT | Silvery white metal important in steel-making. |
