Job 40:18
His bones are as strong pieces of brass; his bones are like bars of iron.
Torrey's Topical Textbook—AKJV

Daniel 2:40
And the fourth kingdom shall be strong as iron: for as much as iron breaks in pieces and subdues all things: and as iron that breaks all these, shall it break in pieces and bruise.
Torrey's Topical Textbook—AKJV