barzel

And Zillah, she also bare Tubal-cain, the forger of every cutting instrument of brass and iron: and the sister of Tubal-cain was Naamah.

The first tagged occurrence in Genesis.

And I will break the pride of your power: and I will make your heaven as iron, and your earth as brass;

The first tagged occurrence in Leviticus.

howbeit the gold, and the silver, the brass, the iron, the tin, and the lead,

The first tagged occurrence in Numbers.

(For only Og king of Bashan remained of the remnant of the Rephaim; behold, his bedstead was a bedstead of iron; is it not in Rabbah of the children of Ammon? nine cubits was the length thereof, and four cubits the breadth of it, after the cubit of a man.)

The first tagged occurrence in Deuteronomy.

But all the silver, and gold, and vessels of brass and iron, are holy unto Jehovah: they shall come into the treasury of Jehovah.

The first tagged occurrence in Joshua.

And Jehovah was with Judah; and drove out the inhabitants of the hill-country; for he could not drive out the inhabitants of the valley, because they had chariots of iron.

The first tagged occurrence in Judges.

And the staff of his spear was like a weaver’s beam; and his spear’s head weighed six hundred shekels of iron: and his shield-bearer went before him.

The first tagged occurrence in 1 Samuel.

And he brought forth the people that were therein, and put them under saws, and under harrows of iron, and under axes of iron, and made them pass through the brickkiln: and thus did he unto all the cities of the children of Ammon. And David and all the people returned unto Jerusalem.

The first tagged occurrence in 2 Samuel.

And the house, when it was in building, was built of stone made ready at the quarry; and there was neither hammer nor axe nor any tool of iron heard in the house, while it was in building.

The first tagged occurrence in 1 Kings.

But as one was felling a beam, the axe-head fell into the water; and he cried, and said, Alas, my master! for it was borrowed.

The first tagged occurrence in 2 Kings.

And he brought forth the people that were therein, and cut them with saws, and with harrows of iron, and with axes. And thus did David unto all the cities of the children of Ammon. And David and all the people returned to Jerusalem.

The first tagged occurrence in 1 Chronicles.

Now therefore send me a man skilful to work in gold, and in silver, and in brass, and in iron, and in purple, and crimson, and blue, and that knoweth how to grave all manner of gravings, to be with the skilful men that are with me in Judah and in Jerusalem, whom David my father did provide.

The first tagged occurrence in 2 Chronicles.