2 Bible Verses about Steel

And they had breastplates like breastplates of iron; and the sound of their wings was like the sound of chariots of many horses running to battle.

the merchandise of gold and silver and precious stones, and of pearls, and of fine linen and purple, and of silk and scarlet; and every kind of thyme wood, and every kind of vessel of ivory, and every kind of vessel of most costly wood, and of brass, and of iron, and of marble: