Cryodur 2709 Bar

Alternative and trade names
DIN EN ISO X3NiCoMo-Ti18-9-5, 1.2709
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Description

1.2709 (X3NiCoMoTi18-9-5) Percipitation Hardened steel bar with high yield point and tensile strength combined with good toughness.

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

Diameter

15 - 180 mm

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Mechanical

PropertyValueComment

Hardness, Brinell

340 [-]

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soft annealed

Hardness, Rockwell C

51 - 55 [-]

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Tensile strength

1740 - 1995 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100 °C

1.03e-05 1/K

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for 20°C to the mentioned temperature

200 °C

1.1e-05 1/K

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for 20°C to the mentioned temperature

300 °C

1.12e-05 1/K

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for 20°C to the mentioned temperature

400 °C

1.15e-05 1/K

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for 20°C to the mentioned temperature

500 °C

1.18e-05 1/K

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for 20°C to the mentioned temperature

600 °C

1.16e-05 1/K

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for 20°C to the mentioned temperature

Thermal conductivity

20 °C

14.2 W/(m·K)

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350 °C

18.5 W/(m·K)

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700 °C

22.5 W/(m·K)

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Chemical properties

PropertyValue

Carbon

0.02 %

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Cobalt

10 %

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Iron

Balance

Molybdenum

5 %

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Nickel

18 %

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Titanium

1 %

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Technological properties

Property
Application areas

Casings for cold extrusion tools, casting dies, plastic moulds

Heat Treatment

Soft annealing: 820-850°C (Cooling in furnace) - Percipitation temperature: 490°C, 4hr in air