DIN 17465 Grade G-CoCr28 cast condition

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Description

According to DIN EN 10295 : 2003-01, the highest temperature in air is 1200 °C for the material G-CoCr28, material number 2.4778 . For cyclic heatings, the highest temperature in air is 1100 °C. The following is valid for the comparable austenitic DIN-material: The heat-resistant cast material G-CoCr28 is also produced as the wrought material CoCr28 (material number 2.4778 as well). It is applied in the construction of industrial furnaces at up to 1100 °C. Its weldability is good, a preheating is not necessary.

Related Standards

This material data has been provided by WIAM.

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.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.1 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

190 - 210 GPa

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Typical for Steel

Elongation

20.0 °C

6 %

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Steel

Tensile strength

20.0 °C

490 MPa

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Yield strength Rp0.2

20.0 °C

235 MPa

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

400.0 °C

1.5E-5 1/K

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800.0 °C

1.6E-5 1/K

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1000.0 °C

1.7E-5 1/K

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Max service temperature, long

0 - 1200 °C

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Specific heat capacity

20.0 °C

500 J/(kg·K)

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Thermal conductivity

20.0 °C

8.5 - 9.2 W/(m·K)

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800.0 °C

21 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

8.25E-7 Ω·m

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Chemical properties

PropertyValue

Carbon

0.05 - 0.25 %

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Chromium

27 - 30 %

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Cobalt

48 - 52 %

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Iron

9.68 %

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Manganese

1.5 %

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Molybdenum

0.5 %

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Nickel

4 %

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Niobium

0.5 %

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Phosphorus

0.04 %

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Silicon

0.5 - 1.5 %

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Sulfur

0.03 %

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