'Iron' in the Bible

They will be ruled by you with a rod of iron; they will be broken like a potter's vessel.

Your doors are broken down with hammers and iron blades.

His feet were fixed in chains; his neck was put in iron bands;

Those who were in the dark, in the black night, in chains of sorrow and iron;

The doors of brass are broken by his arm, and the bands of iron are cut in two.

He has made strong the iron bands of your doors; he has sent blessings on your children inside your walls.

To put their kings in chains, and their rulers in bands of iron;