Hera 238 (AuAgCu alloy)

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This material data has been provided by Heraeus.

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.

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

15.1 g/cm³

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Dimension

PropertyValue

Dimensions

Dimensions available upon request.

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

87 GPa

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Elongation

23.0 °C

25 %

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min.

Hardness, Vickers

23.0 °C

120 - 170 [-]

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Shear modulus

23.0 °C

37 GPa

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Tensile strength

23.0 °C

400 - 600 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.67E-5 1/K

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RT-100 °C

Melting point

865 - 895 °C

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Thermal conductivity

23.0 °C

66 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

23.0 °C

1.25E-7 - 1.45E-7 Ω·m

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Specific Electrical conductivity

11.9 - 13.8 % IACS

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Temperature coefficient of resistance

23.0 °C

5.2E-4 1/K

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Technological properties

Property
Application areas

Sliding contacts, Slip ring brushes, Resistance wires

Corrosion properties

Corrosion resistant

Other

Wear resistant, Age hardenable, Ductile, High electrical conductivity, Stable Contact resistant