Formadur 2738 Plate

Alternative and trade names
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

This material data has been provided by Deutsche Edelstahlwerke Specialty Steel (DEW).

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

Dimension

PropertyValue

Thickness

30 - 430 mm

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Width

1050 mm

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Mechanical

PropertyValueComment

Hardness, Brinell

280 - 325 [-]

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as-delivered condition

Hardness, Rockwell C

28 - 51 [-]

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Tensile strength

950 - 1095 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

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

Thermal conductivity

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

Carbon

0.4 %

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Chromium

1.9 %

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Iron

Balance

Manganese

1.5 %

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Molybdenum

0.2 %

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Nickel

1 %

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Silicon

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