Bronze

ELEMENTS THAT MAKEUP THE ALLOY

• Copper and Tin
• Produced by the blending of these two elements
• Various amounts used for different applications

Bronze is substitutional

EARLIEST EVIDENCE OF USE

• 3rd-4th millennium BC
• Susa, Iran
• Luristan, Iran
• Mesopotamia, Iraq
• Parts of China

EVERYDAY USE

• Used industrially because it is sturdy and durable when well cared for.
• Ex. Bearings, gears, pipes, valves, and other plumbing fittings
• It is ideal for machinery because it causes minimal friction.
• It can also be used at home in jewelry, medals, decor, or statuary.

INTERESTING FACTS

• Originally bronze was made of arsenic and copper.
• Later tin was used to make a stronger, easier to cast, and non-toxic version.
• Bronze is harder than copper.
• Bells are often made of bronze because of it's quality when struck.
• The concentration of copper and tin varies with application.