Job 28:2
Iron is taken from the ground; and copper is smelted from ore.
Deuteronomy 8:9
a land without scarcity. You'll eat food in it and lack nothing. It's a land where its rocks are iron and you can dig copper from its mountains."
Genesis 4:22
Zillah gave birth to Tubal-cain, who became a forger of bronze and iron work. Tubal-cain's sister was Naamah.
Numbers 31:22
concerning anything containing gold, silver, brass, iron, tin, lead,
1 Chronicles 22:14
At great effort I have provided for the Temple of the LORD 100,000 gold talents, 1,000,000 silver talents, as well as bronze and iron beyond calculation, since there is so much of it. I've also provided timber and stone, but you'll need to obtain more.