2 Bible Verses about Steel

And they had breast-plates like breast-plates of iron; and the sound of their wings was like the sound of chariots, with many horses running to battle.

the lading of gold, and silver, and precious stones, and pearl, and fine linen, and purple, and silk, and all sorts of thyine wood, and vessels of ivory, and of the most precious wood, and of brass, and iron, and marble;