DIN 17730 Grade G-Ni90Si cast condition

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Description

G-Ni90Si is brittler than the material G-Ni95 (2.4170) and possesses increased resistance to wear. The tendency to galling at insufficiently lubricated bearing spots is low. The material possesses good corrosion-resistance to non-oxidizing mediums. It shows very good resistance to hot and concentrated caustic alkalies as well as to dry gases, e.g. chlorine. The material is applied in the chemical industry and in the food industry, for valves and fittings, in the apparatus engineering, for pumps, shut-off devices and the like. Processing properties: Weldability: not weldable.

Related Standards

Equivalent Materials

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

8 g/cm³

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Mecánica

PropertyTemperatureValueComment

Dureza Brinell

20.0 °C

180 [-]

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Elongación

20.0 °C

3 %

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Límite elástico Rp 0,2

20.0 °C

350 MPa

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Módulo elástico

23.0 °C

190 - 220 GPa

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Typical for Pure/Low Nickel Alloy

Resistencia a la tracción

20.0 °C

500 MPa

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Aplicaciones térmicas

PropertyTemperatureValueComment

Calor específico

23.0 °C

430 - 532 J/(kg·K)

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Typical for Pure/Low Nickel Alloy

Coeficiente de dilatación térmica

23.0 °C

8.5E-6 - 1.4E-5 1/K

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Typical for Pure/Low Nickel Alloy

Conductividad térmica

23.0 °C

18 - 86 W/(m·K)

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Typical for Pure/Low Nickel Alloy

Temperatura de fusión

1400 - 1500 °C

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Typical for Pure/Low Nickel Alloy

Chemical properties

PropertyValue

Carbono

1 %

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Cobre

1.2 %

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Hierro

1 %

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Manganeso

1.5 %

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Níquel

90 %

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Silicona

5.5 - 6.5 %

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Technological properties

Property
Processing methods

sand casting, separately cast test sample