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The Difference Between Copper, Brass, And Bronze
2021.08.13
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Copper is a non-ferrous nature metal. It can be combined with other elements to create new alloys. Alloys of different combinations are used in various industries. You may feel confused about the difference between copper, brass, and bronze. The following chart is gonna tell you.

 

Property

Brass

Bronze

Copper

Features

The zinc element improve the strength and extensibility

The tin improves the ability of corrosion resistance

Excellent thermal conductivity and electrical conductivity

Composition

Copper and zinc

Copper and tin

Above 99.3% copper

Color

Range from yellow to red, depending on the composition of copper

Dull gold

Orange-tinted red

Price

Cheap

Medium

Expensive

Melting point

900℃-1000℃

950℃-1050℃

1084℃

Hardness

55-73

40-420 (strong but brittle)

89

Thermal conductivity

120w/m·k

24w/m·k

397w/m·k

Fatigue strength

22mpa-360mpa

90mpa-352mpa

200mpa-375mpa

Shear strength

35000psi-48000psi

35000psi-47000psi

25,000 psi

History

Found in 500 BC.

Found in 3500 BC.

Found in 3000 BC.

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