Carbodur 7131 Blank Hardened

Nombres alternativos y comerciales
Carbodur 7131, 1.7131, 16MnCr5
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Description

1.7131 (16MnCr5) is a case hardening steel which used for gear parts and other parts of mechanical engineering, which are case hardened after machining.

Related Standards

Equivalent Materials

Los datos sobre este material han sido proporcionados por Deutsche Edelstahlwerke Specialty Steel (DEW).

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

PropertyValue

Densidad

7.8 g/cm³

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Medidas

PropertyValueComment

Diámetro

63 mm

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max.

Mecánica

PropertyValueComment

Dureza Brinell

138 - 237 [-]

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Depending on the delivery condition

Elongación

9 - 11 %

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A5

Estricción

35 - 40 %

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Límite elástico

440 - 635 MPa

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Módulo elástico

210 GPa

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Resistencia a la tracción

640 - 1180 MPa

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Aplicaciones térmicas

PropertyTemperatureValueComment

Calor específico

431 J/(kg·K)

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Coeficiente de dilatación térmica

100 °C

1.15e-05 1/K

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for 20°C to the mentioned temperature

200 °C

1.25e-05 1/K

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for 20°C to the mentioned temperature

300 °C

1.33e-05 1/K

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for 20°C to the mentioned temperature

400 °C

1.39e-05 1/K

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for 20°C to the mentioned temperature

Conductividad térmica

44 W/(m·K)

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Eléctrico

PropertyValue

Resistividad eléctrica

1.9e-07 Ω·m

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Chemical properties

PropertyValue

Azufre

0.035 %

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Carbono

0.14 - 0.19 %

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Cromo

0.8 - 1.1 %

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Fósforo

0.025 %

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Hierro

Balance

Manganeso

1 - 1.3 %

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Silicona

0.4 %

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Technological properties

Property
Application areas

It is used for gear parts and other parts of mechanical engineering.

Heat Treatment

Soft annealing: 650-700°C, Case Hardening: 880-980°C (Oil, Polymer), Direct hardening: 880-980°C (Oil, Polymer), Core Hardening: 860-900°C (Oil, Polymer), Surface hardening: 780-820°C (Oil, Polymer), Tempering: 150-200°C (Air)

Hot forming

It is formable at 850-1100°C.

Processing history

Blank Hardened

Welding

It is usually weldable.