Fetching details from the dictionary...
steel
sword steel; sword
鋼はがねの橋はしが完成かんせいしました。
The steel bridge has been completed.
鋼はがねでできた剣けんは鋭いするどい。
The sword made of steel is sharp.
鋼はがねのように強いつよい意志いしを持つもつ。
He has a will as strong as steel.