2 Bible Verses about Steel

And they had breast-plates as it were breast-plates of iron, and the sound of their wings was as the sound of chariots of many horses running to battle.

and silver, and precious stone, and pearl, and fine linen, and purple, and silk, and scarlet, and all sorts of thyine wood, and all sorts of vessels of ivory, and all sorts of vessels of most precious wood, and of brass, and iron, and marble;