
What is bronze? this is the bronze head of an Akkadian king (ca. 2300 BC)
What is bronze? Copper and tin
Bronze smiths make bronze by melting two different metals and mixing them. The two metals are copper and tin. Copper, by itself, is too soft to make tools of. (Have you ever had a copper bracelet? It dents every time you knock your hand on a door). Tin is too brittle: it breaks too easily.
What is copper?
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Bronze Age timeline
West Asian inventions
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But if you mix a little tin into the copper, it becomes bronze, which is much harder and at the same time less brittle. It is more useful for tools and also better for making statues. (Early on, people tried mixing copper with other things like lead and arsenic, but tin works best.)

History of bronze: bronze greaves (leg armor) from ancient Greece
West Asian bronze
When West Asian smiths first began to make bronze, about 3500 BC, it was very expensive. Copper is common, but tin is very rare and was hard to get. Mostly people used bronze for weapons and armor. You could make a much better sword out of bronze than out of stone or wood. Bronze swords were lighter and sharper.
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Bronze spreads to Europe, North Africa, and East Asia
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Lost-wax casting bronze statues
But soon Chinese and West Asian artists also began to use bronze to make bronze statues. As with the weapons, bronze is lighter than stone, and you can make statues in different poses with bronze than you can with stone. To get these bronze statues, the artists invented lost-wax casting.
What is lost-wax casting?
Where does wax come from?
Bronze spreads to West Africa
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Bronze corrodes and turns green
When bronze gets old, and the air touches it, it corrodes (like iron rusting) and turns green, like these Etruscan greaves (leg armor). Once bronze got old and corroded, people usually sold it to a bronze-smith to melt down and recycle into new bronze things – that’s why we don’t have very much ancient bronze.
So what is bronze? Did you find out what you wanted to know about the history of bronze? Let us know in the comments!
Learn by Doing – make a copper bracelet
More about iron
Bibliography and further reading about the history of bronze:
[…] you can cut the cloth off the loom with a knife or a pair of scissors and tie off the ends so they don’t ravel (or leave them long to make a […]
[…] coast of Europe as far north as northern France, probably looking for tin to use in making bronze. Himilco reported finding lots of dangerous seaweed, too. Where was that? He may have sailed as […]