SEW 400 Grade X35CrMo17 quenched and tempered (+QT)

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Description

Properties: - Cr-steel for quenching and tempering - elevated corrosion resistance - widely resistant in most organic and inorganic acids - relatively resistant in seawater - improved resistance to crevice corrosion - elevated heat resistance up to 600 °C - high polishable - use differnent quenched and tempered grad in case of sliding contact - application temperature: -40 to 550 °C - excellent runnability and wear resistance Application: - for pump axis, sindle, fittings, beater bar

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

7.56 - 7.7 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

218 - 223 GPa

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100.0 °C

213 - 216 GPa

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200.0 °C

206 - 209 GPa

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300.0 °C

198 - 200 GPa

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400.0 °C

190 - 192 GPa

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500.0 °C

180 - 183 GPa

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600.0 °C

167 GPa

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700.0 °C

150 GPa

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Elongation

20.0 °C

10 - 12 %

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Hardness, Brinell

20.0 °C

235 - 285 [-]

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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

750 - 950 MPa

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Yield strength Rp0.2

20.0 °C

550 MPa

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50.0 °C

550 MPa

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100.0 °C

550 MPa

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150.0 °C

540 MPa

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200.0 °C

530 MPa

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250.0 °C

520 MPa

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300.0 °C

510 MPa

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350.0 °C

490 MPa

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400.0 °C

470 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

20.0 °C

9.9E-6 1/K

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100.0 °C

1.03E-5 - 1.04E-5 1/K

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200.0 °C

1.08E-5 1/K

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300.0 °C

1.12E-5 1/K

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400.0 °C

1.16E-5 1/K

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500.0 °C

1.19E-5 1/K

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600.0 °C

1.21E-5 1/K

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700.0 °C

1.24E-5 1/K

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800.0 °C

1.29E-5 1/K

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Max service temperature, long

-40 - 550 °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

430 - 450 J/(kg·K)

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100.0 °C

482 J/(kg·K)

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200.0 °C

506 J/(kg·K)

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300.0 °C

525 J/(kg·K)

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400.0 °C

547 J/(kg·K)

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500.0 °C

576 J/(kg·K)

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600.0 °C

616 J/(kg·K)

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Thermal conductivity

20.0 °C

15 - 16 W/(m·K)

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100.0 °C

17.2 W/(m·K)

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200.0 °C

18.6 W/(m·K)

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300.0 °C

20 W/(m·K)

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400.0 °C

21.2 W/(m·K)

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500.0 °C

22.3 W/(m·K)

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600.0 °C

23.3 W/(m·K)

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700.0 °C

24.1 W/(m·K)

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800.0 °C

25.5 W/(m·K)

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900.0 °C

26.9 W/(m·K)

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1000.0 °C

28.3 W/(m·K)

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Thermal diffusivity

20.0 °C

4.7 mm²/s

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100.0 °C

4.5 mm²/s

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200.0 °C

4.5 mm²/s

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300.0 °C

4.6 mm²/s

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400.0 °C

4.4 mm²/s

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500.0 °C

4.1 mm²/s

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600.0 °C

3.6 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

8E-7 - 9.06E-7 Ω·m

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100.0 °C

9.42E-7 Ω·m

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200.0 °C

9.87E-7 Ω·m

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300.0 °C

1.03E-6 Ω·m

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400.0 °C

1.08E-6 Ω·m

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500.0 °C

1.12E-6 Ω·m

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600.0 °C

1.18E-6 Ω·m

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700.0 °C

1.22E-6 Ω·m

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800.0 °C

1.24E-6 Ω·m

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900.0 °C

1.26E-6 Ω·m

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1000.0 °C

1.27E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.33 - 0.45 %

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Chromium

15.5 - 17.5 %

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Manganese

1 %

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Molybdenum

0.8 - 1.3 %

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Nickel

1 %

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Phosphorus

0.05 %

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Silicon

1 %

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Sulfur

0.03 %

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