DIN 17440 Grade X30Cr13 quenched and tempered (+QT)

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Description

Properties: - in hardened state resistant to water and steam - in annealed or high tempered state corrosion resitance is not sufficient - application in hardened state with fine grounded or polished surface Application: - for manufacturing cutting tools (knife blades, scissors, surgical instruments) - spherical for bearings, wear resistant control elements and parts for pumps, spring, plunger, srews

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

7.7 - 7.71 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

220 - 222 GPa

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100.0 °C

216 - 218 GPa

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200.0 °C

209 - 212 GPa

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300.0 °C

201 - 205 GPa

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400.0 °C

192 - 197 GPa

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500.0 °C

183 GPa

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600.0 °C

174 GPa

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Elongation

20.0 °C

11 %

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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

800 - 1000 MPa

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Yield strength Rp0.2

20.0 °C

600 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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Max service temperature, long

0 - 400 °C

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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 - 6.5E-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

0.26 - 0.35 %

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Chromium

12 - 14 %

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Manganese

1 - 1.5 %

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Phosphorus

0.04 - 0.05 %

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Silicon

1 %

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Sulfur

0.015 - 0.03 %

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