DIN 59470 Grade CrAl14-4 soft annealed (+A)

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Description

CrAl 44 is an ferritic aluminium-chromium material (heating conductor material) used at extrem alternating temperature loading from 1250 to 1350 °C. Application: thin sheet as carrier material for vehicle exhaust-gas catalysts, industry furnace parts

Related Standards

Equivalent Materials

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

7.3 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

220 GPa

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Typical for Ferritic Stainless Steel

Elongation

20.0 °C

8 %

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Elongation A100

20.0 °C

8 - 18 %

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Ferritic Stainless Steel

Shear modulus

23.0 °C

77 GPa

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Typical for Ferritic Stainless Steel

Tensile strength

20.0 °C

600 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

200.0 °C

1.1E-5 1/K

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400.0 °C

1.2E-5 1/K

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600.0 °C

1.3E-5 1/K

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800.0 °C

1.4E-5 1/K

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1000.0 °C

1.5E-5 1/K

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Max service temperature, long

1250 - 1350 °C

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Melting point

1425 - 1530 °C

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Typical for Ferritic Stainless Steel

Specific heat capacity

20.0 °C

480 J/(kg·K)

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1000.0 °C

650 J/(kg·K)

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Thermal conductivity

20.0 °C

15 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.25E-6 Ω·m

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100.0 °C

1.26E-6 Ω·m

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200.0 °C

1.27E-6 Ω·m

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300.0 °C

1.28E-6 Ω·m

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400.0 °C

1.3E-6 Ω·m

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500.0 °C

1.32E-6 Ω·m

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600.0 °C

1.34E-6 Ω·m

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700.0 °C

1.36E-6 Ω·m

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800.0 °C

1.39E-6 Ω·m

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900.0 °C

1.41E-6 Ω·m

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1000.0 °C

1.42E-6 Ω·m

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1100.0 °C

1.44E-6 Ω·m

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Chemical properties

PropertyValue

Aluminium

3.5 - 5 %

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Carbon

0.1 %

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Chromium

13 - 15 %

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Manganese

1 %

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Phosphorus

0.05 %

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Silicon

0.5 %

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Sulfur

0.03 %

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