Pure Tungsten (W)

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Description

Tungsten has the highest melting point of all metals and is therefore also suitable for very high-temperature applications. It is also characterized by a uniquely low coefficient of thermal expansion and a very high level of dimensional stability.

Los datos sobre este material han sido proporcionados por Plansee.

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

Sección transversal de captura neutrónica

23.0 °C

0 m²

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Densidad

23.0 °C

19.3 g/cm³

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Masa molar

183.85 g/mol

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Mecánica

PropertyTemperatureValueComment

Coeficiente de Poisson

23.0 °C

0.28 [-]

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Dureza Vickers 30

23.0 °C

360 [-]

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recrystallized

Módulo elástico

23.0 °C

405 GPa

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Aplicaciones térmicas

PropertyTemperatureValue

Calor específico

23.0 °C

130 J/(kg·K)

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Conductividad térmica

23.0 °C

164 W/(m·K)

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Temperatura de fusión

3420 °C

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Eléctrico

PropertyTemperatureValue

Conductividad eléctrica

23.0 °C

1.80E+7 S/m

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Función de trabajo

23.0 °C

4.54 eV

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Resistividad eléctrica

23.0 °C

5E-8 Ω·m

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Acústico

PropertyTemperatureValue

Velocidad del sonido longitudinal

23.0 °C

5180 m/s

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Velocidad del sonido transversal

23.0 °C

2870 m/s

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Chemical properties

PropertyValue

Aluminio

1E-4 %

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Cadmio

1E-4 %

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Carbono

6E-4 %

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Cobre

1E-4 %

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Cromo

3E-4 %

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Hierro

8E-4 %

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Molibdeno

1.2E-3 %

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Nitrógeno

1E-4 %

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Níquel

2E-4 %

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Oxígeno

2E-4 %

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Plomo

1E-4 %

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Potasio

1E-4 %

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Silicona

1E-4 %

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Wolframio

99.97 %

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Technological properties

Property
Application areas

For example, this material can be used to manufacture high-temperature furnace components, lamp components and components for use in the fields of medical and thin-film technology.