2 Bible Verses about Steel

And they had breastplates like breastplates of iron; and the noise of their wings was like the noise of chariots, and many horses rushing to war.

the merchandise of gold, and silver, and jewels, and pearls, and fine linen, and purple, and silk, and scarlet, and every odiferous wood, and every vessel of ivory, and every vessel of most precious wood, and of brass, and of iron, and of marble,