EN 12451 Grade CuZn20Al2As R340

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Description

The material according this standard is used for seamless, round tubes for heat exchangers, condensers, evaporators and desalination equipment. It can be used for the working in sea water.

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

110 GPa

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50.0 °C

110 GPa

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100.0 °C

108 GPa

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150.0 °C

107 GPa

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200.0 °C

106 GPa

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250.0 °C

105 GPa

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Elongation

20.0 °C

55 %

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Shear modulus

23.0 °C

40 GPa

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Typical for Wrought Copper Brass

Tensile strength

20.0 °C

340 MPa

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Yield strength Rp0.2

20.0 °C

120 MPa

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Yield strength Rp1.0

20.0 °C

130 MPa

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50.0 °C

130 MPa

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100.0 °C

125 MPa

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150.0 °C

125 MPa

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200.0 °C

120 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.7E-5 - 2.1E-5 1/K

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Typical for Wrought Copper Brass

Melting point

875 - 1075 °C

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Typical for Wrought Copper Brass

Specific heat capacity

23.0 °C

371 - 418 J/(kg·K)

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Typical for Wrought Copper Brass

Thermal conductivity

23.0 °C

100 - 234 W/(m·K)

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Typical for Wrought Copper Brass

Chemical properties

PropertyValue

Aluminium

1.8 - 2.3 %

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Arsenic

0.02 - 0.06 %

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Copper

76 - 79 %

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Iron

0.07 %

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Lead

0.05 %

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Manganese

0.1 %

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Nickel

0.1 %

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Phosphorus

0.01 %

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