Exodus 38:29-31

29The bronze from the wave offering was 70 talents and 2,400 shekels. The weight of the bronze was about 2 1/2 tons or about 2.4 metric tons. 30They used it to make the bases for the entrance to the tent of meeting, the bronze altar with its bronze grating and all its utensils, 31the bases for the surrounding courtyard and those for its entrance and all the tent pegs for the tabernacle and those for the surrounding courtyard.