DIN 17440 Grade X38Cr13 soft annealed (+A)

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Description

Properties: - in hardened state resistant to water and steam - in annealed or high tempered state corrosion resitance is not sufficient - application in hardened state with fine grounded or polished surface - application temperature: 200 °C Application - for manufacturing cutting tools (knife blades, scissors, surgical instruments) - spherical for bearings, wear resistant control elements and parts for pumps, spring, plunger, srews

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

7.7 - 7.71 g/cm³

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Mecánica

PropertyTemperatureValueComment

Coeficiente de Poisson

23.0 °C

0.3 [-]

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Typical for Steel

Dureza Brinell

20.0 °C

250 [-]

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Módulo elástico

20.0 °C

220 - 222 GPa

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100.0 °C

216 - 218 GPa

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200.0 °C

209 - 212 GPa

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300.0 °C

201 - 205 GPa

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400.0 °C

192 - 197 GPa

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500.0 °C

183 GPa

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600.0 °C

174 GPa

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Resistencia a la tracción

20.0 °C

800 MPa

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Aplicaciones térmicas

PropertyTemperatureValue

Calor específico

20.0 °C

439 - 460 J/(kg·K)

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100.0 °C

474 J/(kg·K)

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200.0 °C

498 J/(kg·K)

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300.0 °C

517 J/(kg·K)

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400.0 °C

538 J/(kg·K)

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500.0 °C

564 J/(kg·K)

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600.0 °C

598 J/(kg·K)

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Coeficiente de dilatación térmica

20.0 °C

1.02E-5 1/K

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100.0 °C

1.05E-5 1/K

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200.0 °C

1.09E-5 - 1.1E-5 1/K

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300.0 °C

1.13E-5 - 1.15E-5 1/K

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400.0 °C

1.16E-5 - 1.2E-5 1/K

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500.0 °C

1.2E-5 1/K

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600.0 °C

1.22E-5 1/K

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Conductividad térmica

20.0 °C

24.6 - 30 W/(m·K)

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100.0 °C

24.7 W/(m·K)

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200.0 °C

25 W/(m·K)

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300.0 °C

25.2 W/(m·K)

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400.0 °C

25.5 W/(m·K)

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500.0 °C

25.8 W/(m·K)

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600.0 °C

26 W/(m·K)

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Difusividad térmica

20.0 °C

7.3 mm²/s

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100.0 °C

6.4 mm²/s

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200.0 °C

6.1 mm²/s

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300.0 °C

5.8 mm²/s

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400.0 °C

5.4 mm²/s

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500.0 °C

4.8 mm²/s

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600.0 °C

4.1 mm²/s

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Temperatura máx. de funcionamiento, largo

0 - 200 °C

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Eléctrico

PropertyTemperatureValue

Resistividad eléctrica

20.0 °C

5.87E-7 - 6.5E-7 Ω·m

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100.0 °C

6.55E-7 Ω·m

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200.0 °C

7.38E-7 Ω·m

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300.0 °C

8.19E-7 Ω·m

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400.0 °C

8.96E-7 Ω·m

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500.0 °C

9.7E-7 Ω·m

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600.0 °C

1.04E-6 Ω·m

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Chemical properties

PropertyValue

Azufre

0.03 %

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Carbono

0.35 - 0.42 %

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Cromo

12.5 - 14.5 %

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Fósforo

0.05 %

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Manganeso

1 %

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Silicona

1 %

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