'Bronze' in the Bible

Their legs were straight, but the soles of their feet were like calves' feet. They gleamed like polished bronze.

Next, I noticed six men coming from the direction of the upper gate which faces north, each with his war club in his hand. Among them was a man dressed in linen with a writing kit at his side. They came and stood beside the bronze altar.

"Son of man, the house of Israel has become slag to me. All of them are like bronze, tin, iron, and lead in the furnace; they are the worthless slag of silver.

As silver, bronze, iron, lead, and tin are gathered in a furnace so that the fire can melt them, so I will gather you in my anger and in my rage. I will deposit you there and melt you.

Javan, Tubal, and Meshech were your clients; they exchanged slaves and bronze items for your merchandise.

When he brought me there, I saw a man whose appearance was like bronze, with a linen cord and a measuring stick in his hand. He was standing in the gateway.