| Answer | Crossword Clue |
|---|---|
| ANNEAL | Toughen, as steel |
| TITANIUM | Element used to toughen steel |
| ANNEAL | Toughen, as glass |
| INURE | Toughen, as to hardship |
| ANNEAL | Toughen by heating, as glass |
| ANNEALS | Strengthens, as steel |
| TEMPERED | Hardened, as steel |
| ANNEAL | Temper, as steel. |
| TEMPER | Strengthen, as steel |
| ANNEAL | Temper, as steel |
| ANNEALED | Tempered, as steel. |
| GALV | Zincked as steel: abbr. |
| ANNEAL | Temper, as glass or steel |
| ASTRUE | " . . . my man's ... as steel": Shak. |
| WIREWOOL | Steel fibers used as an abrasive |
| IBEAM | Girder also known as a rolled-steel joist |
| SUPERBOY | The Man of Steel, as a young man |
