'Bronze' in the Bible

So Eleazar the priest took the bronze censers which the men who were burned had offered, and they hammered them out as a plating for the altar,

And Moses made a bronze serpent and set it on the standard; and it came about, that if a serpent bit any man, when he looked to the bronze serpent, he lived.

only the gold and the silver, the bronze, the iron, the tin and the lead,