EN 10250-4 Grade X20Cr13 soft annealed (+A)

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Description

Make X20Cr13 is comparable to X 20 Cr 13 acc. to DIN 17440 : 1985-07. The material is applicated for construction parts of higher strength and higher mechanical load, such as axles, shafts, pump components, piston rods, valve cones, nozzle needles, ship`s propeller, but also beater bars, surgical instruments. Favorable corrosion resistance to water and steam (turbine blades). The steel is usable for mirror finishing.

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

"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.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.7 - 7.71 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

215 - 222 GPa

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100.0 °C

212 - 216 GPa

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200.0 °C

205 - 209 GPa

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300.0 °C

200 - 201 GPa

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400.0 °C

190 - 192 GPa

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500.0 °C

183 GPa

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600.0 °C

174 GPa

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Hardness, Brinell

20.0 °C

230 [-]

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Martensitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

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Typical for Martensitic Stainless Steel

Tensile strength

20.0 °C

760 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

20.0 °C

1.02E-5 1/K

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100.0 °C

1.05E-5 1/K

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200.0 °C

1.09E-5 - 1.1E-5 1/K

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300.0 °C

1.13E-5 - 1.15E-5 1/K

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400.0 °C

1.16E-5 - 1.2E-5 1/K

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500.0 °C

1.2E-5 1/K

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600.0 °C

1.22E-5 1/K

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Melting point

1370 - 1530 °C

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Typical for Martensitic Stainless Steel

Specific heat capacity

20.0 °C

439 - 460 J/(kg·K)

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100.0 °C

474 J/(kg·K)

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200.0 °C

498 J/(kg·K)

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300.0 °C

517 J/(kg·K)

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400.0 °C

538 J/(kg·K)

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500.0 °C

564 J/(kg·K)

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600.0 °C

598 J/(kg·K)

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Thermal conductivity

20.0 °C

24.6 - 30 W/(m·K)

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100.0 °C

24.7 W/(m·K)

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200.0 °C

25 W/(m·K)

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300.0 °C

25.2 W/(m·K)

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400.0 °C

25.5 W/(m·K)

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500.0 °C

25.8 W/(m·K)

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600.0 °C

26 W/(m·K)

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Thermal diffusivity

20.0 °C

7.3 mm²/s

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100.0 °C

6.4 mm²/s

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200.0 °C

6.1 mm²/s

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300.0 °C

5.8 mm²/s

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400.0 °C

5.4 mm²/s

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500.0 °C

4.8 mm²/s

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600.0 °C

4.1 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

5.87E-7 Ω·m

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100.0 °C

6.55E-7 Ω·m

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200.0 °C

7.38E-7 Ω·m

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300.0 °C

8.19E-7 Ω·m

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400.0 °C

8.96E-7 Ω·m

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500.0 °C

9.7E-7 Ω·m

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600.0 °C

1.04E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.16 - 0.25 %

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Chromium

12 - 14 %

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Manganese

1.5 %

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Phosphorus

0.04 %

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Silicon

1 %

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Sulfur

0.03 %

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