DIN 17222 Grade Ck85 cold rolled and hardened

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Description

The steel Ck 85 is used as cold rolled steel strip for springs with high dimensional accuracy and surface condition up to 2.5 mm thicknesses.

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

7.8 g/cm³

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Mecánica

PropertyTemperatureValueComment

Coeficiente de Poisson

23.0 °C

0.29 [-]

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Typical for High Carbon Steel

Dureza Vickers

20.0 °C

730 [-]

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Módulo de cizallamiento

20.0 °C

78 GPa

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Módulo elástico

-100.0 °C

217 GPa

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20.0 °C

206 - 212 GPa

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100.0 °C

207 GPa

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200.0 °C

199 GPa

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300.0 °C

192 GPa

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400.0 °C

184 GPa

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500.0 °C

175 GPa

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600.0 °C

164 GPa

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Aplicaciones térmicas

PropertyTemperatureValueComment

Calor específico

-100.0 °C

423 J/(kg·K)

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20.0 °C

461 J/(kg·K)

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100.0 °C

479 J/(kg·K)

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200.0 °C

499 J/(kg·K)

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300.0 °C

517 J/(kg·K)

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400.0 °C

536 J/(kg·K)

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500.0 °C

558 J/(kg·K)

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600.0 °C

587 J/(kg·K)

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Coeficiente de dilatación térmica

-100.0 °C

1.08E-5 1/K

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20.0 °C

1.19E-5 1/K

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100.0 °C

1.25E-5 1/K

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200.0 °C

1.3E-5 1/K

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300.0 °C

1.36E-5 1/K

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400.0 °C

1.41E-5 1/K

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500.0 °C

1.45E-5 1/K

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600.0 °C

1.49E-5 1/K

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Conductividad térmica

20.0 °C

41.7 W/(m·K)

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100.0 °C

43.4 W/(m·K)

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200.0 °C

43.2 W/(m·K)

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300.0 °C

41.4 W/(m·K)

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400.0 °C

39.1 W/(m·K)

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500.0 °C

36.7 W/(m·K)

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600.0 °C

34.1 W/(m·K)

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Difusividad térmica

20.0 °C

11.6 mm²/s

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100.0 °C

11.3 mm²/s

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200.0 °C

10.5 mm²/s

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300.0 °C

9.5 mm²/s

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400.0 °C

8.3 mm²/s

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500.0 °C

7.1 mm²/s

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600.0 °C

5.8 mm²/s

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Temperatura de fusión

1289 - 1478 °C

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Typical for High Carbon Steel

Temperatura máx. de funcionamiento

500 °C

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Typical for Carbon Steel

Eléctrico

PropertyTemperatureValue

Resistividad eléctrica

20.0 °C

2.5E-7 Ω·m

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100.0 °C

2.95E-7 Ω·m

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200.0 °C

3.65E-7 Ω·m

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300.0 °C

4.53E-7 Ω·m

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400.0 °C

5.56E-7 Ω·m

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500.0 °C

6.74E-7 Ω·m

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600.0 °C

8.13E-7 Ω·m

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Chemical properties

PropertyValue

Azufre

0.035 %

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Carbono

0.8 - 0.9 %

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Fósforo

0.04 %

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Manganeso

0.45 - 0.65 %

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Silicona

0.15 - 0.35 %

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Technological properties

Property
Features

Spring