Thermodur 2365 EFS Bar

Alternative and trade names
DIN EN ISO 32CrMoV12-28, 1.2365, AISI H10, AFNOR 32CDV12-28
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Description

1.2365 (32CrMoV12-28) is a steel bar with excellent high-temperature strength and tempering resistance, thermal conductivity, low susceptibility to hot cracking. May be water-cooled to a limited extent. Suitable for cold hobbing.

Equivalent Materials

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

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

Diameter

25.8 mm

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353.0 mm

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Mechanical

PropertyValueComment

Hardness, Brinell

185.0

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soft annealed

Hardness, Rockwell C

40.0 - 50.0 [-]

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Tensile strength

1255.0 - 1665.0 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100 °C

0.0000118 1/K

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for 20°C to the mentioned temperature

200 °C

0.0000125 1/K

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for 20°C to the mentioned temperature

300 °C

0.0000127 1/K

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for 20°C to the mentioned temperature

400 °C

0.0000131 1/K

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for 20°C to the mentioned temperature

500 °C

0.0000135 1/K

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for 20°C to the mentioned temperature

600 °C

0.0000136 1/K

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for 20°C to the mentioned temperature

700 °C

0.0000138 1/K

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for 20°C to the mentioned temperature

Thermal conductivity

20 °C

31.4 W/(m·K)

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350 °C

32 W/(m·K)

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700 °C

29.3 W/(m·K)

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Chemical properties

PropertyValue

Carbon

0.32

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Chromium

3.0

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Manganese

0.30000000000000004

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Silicon

0.25

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Vanadium

0.5

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Technological properties

Property
Application areas

High speed forging machines, dies and inserts, extrusion dies for steel and heavy metal processing, heavy metal die casting tools, piercer plugs, steel for high alternating thermal stress

Heat Treatment

Soft annealing: 750-800°C (Cooling in furnace) - Hardening: 1030-1050°C and quenching in air, oil or hot bath T=500-550°C