AuAg5.5Cu2.8

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Description

The color gold jewelry alloy AuAg5.5Cu2.8 (in the literature also 917Au-55Ag-28Cu) corresponds to a fineness of 917/1000 Au, also with 22 carats (24 carats is 1000/1000 Au = fine gold). The alloy (name: 22 LS) has a yellow tint and is used for rings and brooches, chains and braids, for precision castings as well as for driving and deep-drawing work.

Related Standards

Los datos sobre este material han sido proporcionados por WIAM.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

PropertyTemperatureValue

Densidad

20.0 °C

17.9 g/cm³

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Mecánica

PropertyTemperatureValueComment

Coeficiente de Poisson

23.0 °C

0.42 [-]

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Typical for Gold

Dureza Vickers 10

20.0 °C

52 [-]

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Módulo de cizallamiento

23.0 °C

26 GPa

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Typical for Gold

Módulo elástico

23.0 °C

74 - 81 GPa

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Typical for Gold

Aplicaciones térmicas

PropertyTemperatureValueComment

Calor específico

23.0 °C

126 - 138 J/(kg·K)

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Typical for Gold

Coeficiente de dilatación térmica

23.0 °C

1.4E-5 1/K

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Typical for Gold

Conductividad térmica

23.0 °C

292 - 316 W/(m·K)

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Typical for Gold

Temperatura de fusión

1064 °C

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Typical for Gold

Chemical properties

PropertyValue

Cobre

2.8 %

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Oro

91.7 %

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Plata

5.5 %

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