Formadur 2738 Plate

Nombres alternativos y comerciales
DIN EN ISO 40CrMnNiMo8-6-4, AISI P20+Ni, 1.2738
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Description

1.2738 (40CrMnNiMo8-6-4) is a plastic mould steel, improved through hardening with good machinability, good polishability and suitable for texturing.

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.

Ashby charts

Propiedades

Medidas

PropertyValue

Ancho

1050 mm

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Espesor

30 - 430 mm

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Mecánica

PropertyValueComment

Dureza Brinell

280 - 325 [-]

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as-delivered condition

Dureza Rockwell C

28 - 51 [-]

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Resistencia a la tracción

950 - 1095 MPa

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Aplicaciones térmicas

PropertyTemperatureValueComment

Coeficiente de dilatación térmica

100 °C

1.11e-05 1/K

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for 20°C to the mentioned temperature

200 °C

1.29e-05 1/K

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for 20°C to the mentioned temperature

300 °C

1.34e-05 1/K

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for 20°C to the mentioned temperature

400 °C

1.38e-05 1/K

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for 20°C to the mentioned temperature

500 °C

1.42e-05 1/K

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for 20°C to the mentioned temperature

600 °C

1.56e-05 1/K

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for 20°C to the mentioned temperature

700 °C

1.49e-05 1/K

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for 20°C to the mentioned temperature

Conductividad térmica

23 °C

34.5 W/(m·K)

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150 °C

33.5 W/(m·K)

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300 °C

32 W/(m·K)

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Chemical properties

PropertyValue

Carbono

0.4 %

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Cromo

1.9 %

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Hierro

Balance

Manganeso

1.5 %

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Molibdeno

0.2 %

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Níquel

1 %

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Silicona

0.3 %

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Technological properties

Property
Application areas

Large plastic moulds, mould frames for plastic moulds and die casting moulds

Heat Treatment

Soft annealing: 710-740°C (Cooling in furnace) - Hardening: 840-870°C and quenching in oil or polymer