DEFSTAN 95-14 Grade S144

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Description

3S144 is a British aerospace grade, precipitation hardenable stainless steel. It is widely used in the aerospace industry benefiting from a combination of strength and moderate corrosion resistance. BS S143 and BS S145 are chemically identical. S144 is supplied in bar form with heat treatment applied.

Related Standards

Los datos sobre este material han sido proporcionados por Righton Blackburns,Matmatch.

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

PropertyTemperatureValueComment

Densidad

20.0 °C

7.9 - 8.2 g/cm³

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Typical for Austenitic Stainless Steel

Mecánica

PropertyTemperatureValueComment

Coeficiente de Poisson

20.0 °C

0.3 [-]

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Typical for Austenitic Stainless Steel

Dureza Brinell

20.0 °C

341 [-]

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Elongación A50

20.0 °C

12 %

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Módulo de cizallamiento

20.0 °C

77 GPa

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Typical for Austenitic Stainless Steel

Módulo elástico

20.0 °C

195 GPa

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Typical for Austenitic Stainless Steel

Resistencia a la tracción

20.0 °C

1130 - 1330 MPa

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Aplicaciones térmicas

PropertyTemperatureValueComment

Calor específico

20.0 °C

440 J/(kg·K)

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Typical for Austenitic Stainless Steel

Coeficiente de dilatación térmica

20.0 °C

1.7E-5 - 1.9E-5 1/K

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Typical for Austenitic Stainless Steel

Conductividad térmica

20.0 °C

11 - 21 W/(m·K)

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Typical for Austenitic Stainless Steel

Temperatura de fusión

1375 - 1450 °C

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Typical for Austenitic Stainless Steel

Eléctrico

PropertyTemperatureValueComment

Resistividad eléctrica

20.0 °C

8.5E-7 Ω·m

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Typical for Austenitic Stainless Steel

Chemical properties

PropertyValue

Azufre

0.03 %

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Carbono

0.08 %

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Cobre

1.2 - 2 %

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Cromo

Balance

Fósforo

0.04 %

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Manganeso

1 %

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Molibdeno

1.2 - 2 %

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Niobio

0.1 - 0.4 %

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Níquel

5 - 5.8 %

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Silicona

0.6 %

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