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EN 12166 Grade CuZn38Pb2 H070 – High-Quality Copper Alloy Hollow Rod

Copper alloy hollow rod for free machining purposes.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.4 - 8.44 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

102 GPa

Hardness, Brinell

20.0 °C

70 - 170 [-]

Hardness, Vickers

20.0 °C

80 - 110 [-]

Poisson's ratio

20.0 °C

0.34 [-]

Shear modulus

23.0 °C

40 GPa

Typical for Wrought Copper Brass

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

2E-5 1/K

300.0 °C

2.1E-5 1/K

Melting point

875 - 1075 °C

Typical for Wrought Copper Brass

Specific heat capacity

20.0 °C

377 J/(kg·K)

Thermal conductivity

20.0 °C

109 - 110 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

1.39E+7 - 1.40E+7 S/m

Specific Electrical conductivity

24 % IACS

Chemical properties

PropertyValue

Aluminium

0.05 %

Copper

60 - 61 %

Iron

0.2 %

Lead

1.6 - 2.5 %

Nickel

0.3 %

Tin

0.2 %


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