'Iron' in the Bible

"He will rule them with an iron scepter; shattering them like clay pots.'

They had breastplates like iron, and the noise of their wings was like the roar of chariots with many horses rushing into battle.

She gave birth to a son, a boy, who is to rule all the nations with an iron scepter. But her child was snatched away and taken to God and to his throne.

cargo of gold, silver, gems, pearls, fine linen, purple cloth, silk, scarlet cloth, all kinds of scented wood, all articles made of ivory, all articles made of very costly wood, bronze, iron, marble,

A sharp sword comes out of his mouth to strike down the nations. He will rule them with an iron rod and tread the winepress of the fury of the wrath of God Almighty.