Steely

Part of speech: adjective (a.)

1. Made of steel; consisting of steel. "The steely point of Clifford's lance." Shak. Around his shop the steely sparkles flew. Gay.

2. Resembling steel; hard; firm; having the color of steel. "His hair was steely gray." The Century. She would unarm her noble heart of that steely resistance against the sweet blows of love. Sir P. Sidney. Steely iron, a compound of iron containing less than one half of one per cent of carbon.