'Iron' in the Bible

But all the silver and gold and articles of bronze and iron are holy to the Lord; they shall go into the treasury of the Lord.”

They burned the city with fire, and all that was in it. Only the silver and gold, and articles of bronze and iron, they put into the treasury of the house of the Lord.

just as Moses the servant of the Lord had commanded the sons of Israel, as it is written in the book of the law of Moses, an altar of uncut stones on which no man had wielded an iron tool; and they offered burnt offerings on it to the Lord, and sacrificed peace offerings.

The sons of Joseph said, “The hill country is not enough for us, and all the Canaanites who live in the valley land have chariots of iron, both those who are in Beth-shean and its towns and those who are in the valley of Jezreel.”

but the hill country shall be yours. For though it is a forest, you shall clear it, and to its farthest borders it shall be yours; for you shall drive out the Canaanites, even though they have chariots of iron and though they are strong.”

and said to them, “Return to your tents with great riches and with very much livestock, with silver, gold, bronze, iron, and with very many clothes; divide the spoil of your enemies with your brothers.”