Job 20:24; Job 28:2; Job 40:18; Job 41:27

Job 20:24

24 He shall flee from the iron weapon, and the bow of steel shall strike him through.

Job 28:2

2 Iron is taken out of the earth, and brass is molten out of the stone.

Job 40:18

18 His bones are as strong pieces of brass; his bones are like bars of iron.

Job 41:27

27 He esteemeth iron as straw, and brass as rotten wood.