For he hath broken the gates of brass, and cut the bars of iron in sunder.
I will go before thee, and make the crooked places straight: I will break in pieces the gates of brass, and cut in sunder the bars of iron:
Thy shoes shall be iron and brass; and as thy days, so shall thy strength be.
1 Kings 4:13
The son of Geber, in Ramothgilead; to him pertained the towns of Jair the son of Manasseh, which are in Gilead; to him also pertained the region of Argob, which is in Bashan, threescore great cities with walls and brasen bars:
1 Chronicles 22:3
And David prepared iron in abundance for the nails for the doors of the gates, and for the joinings; and brass in abundance without weight;
Go and tell Hananiah, saying, Thus saith the LORD; Thou hast broken the yokes of wood; but thou shalt make for them yokes of iron.
2 Chronicles 4:9
Furthermore he made the court of the priests, and the great court, and doors for the court, and overlaid the doors of them with brass.