EN 10028-7 Grade X2CrNiN18-7 solution annealed (+AT)

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Description

The austenitic steel X2CrNiN18-7 is a high-strength stainless ELC-steel (extra low carbon) for special applications. The corrosion resistance is comparable to 1.4311. Resistance to intercrystalline corrosion also in sensitized resp. welded condition. The material is well formable. Application: spring steel, construction, railway carriage engineering

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

7.9 - 7.92 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

206 GPa

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20.0 °C

196 - 200 GPa

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100.0 °C

190 - 194 GPa

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200.0 °C

182 - 186 GPa

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300.0 °C

174 - 179 GPa

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400.0 °C

166 - 172 GPa

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500.0 °C

158 - 165 GPa

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600.0 °C

150 GPa

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700.0 °C

142 GPa

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800.0 °C

134 GPa

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Elongation

-196.0 °C

15 %

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-150.0 °C

20 %

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-80.0 °C

25 %

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20.0 °C

35 %

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Elongation A80, transverse

20.0 °C

35 %

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Elongation, transverse

20.0 °C

40 %

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Poisson's ratio

20.0 °C

0.28 [-]

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Shear modulus

23.0 °C

77 GPa

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Typical for Austenitic Stainless Steel

Tensile strength

-196.0 °C

1500 MPa

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-150.0 °C

1320 MPa

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-80.0 °C

1040 MPa

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20.0 °C

650 - 850 MPa

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50.0 °C

605 MPa

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100.0 °C

530 MPa

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150.0 °C

490 MPa

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200.0 °C

460 MPa

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250.0 °C

450 MPa

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300.0 °C

440 MPa

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350.0 °C

430 MPa

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Tensile strength, transverse

20.0 °C

650 - 850 MPa

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Yield strength Rp0.2

-196.0 °C

450 MPa

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-150.0 °C

420 MPa

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-80.0 °C

380 MPa

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20.0 °C

330 MPa

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50.0 °C

309 MPa

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100.0 °C

265 MPa

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150.0 °C

200 MPa

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200.0 °C

185 MPa

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250.0 °C

180 MPa

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300.0 °C

170 MPa

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350.0 °C

165 MPa

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Yield strength Rp0.2, transverse

20.0 °C

330 - 350 MPa

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Yield strength Rp1.0

-196.0 °C

490 MPa

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-150.0 °C

450 MPa

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-80.0 °C

410 MPa

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20.0 °C

370 MPa

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150.0 °C

235 MPa

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200.0 °C

215 MPa

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250.0 °C

210 MPa

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300.0 °C

200 MPa

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350.0 °C

195 MPa

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Yield strength Rp1.0, transverse

20.0 °C

370 - 380 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

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20.0 °C

1.61E-5 1/K

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100.0 °C

1.6E-5 - 1.67E-5 1/K

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200.0 °C

1.65E-5 - 1.72E-5 1/K

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300.0 °C

1.7E-5 - 1.77E-5 1/K

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400.0 °C

1.75E-5 - 1.81E-5 1/K

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500.0 °C

1.8E-5 - 1.84E-5 1/K

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600.0 °C

1.88E-5 1/K

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700.0 °C

1.91E-5 1/K

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800.0 °C

1.94E-5 1/K

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Melting point

1230 - 1480 °C

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Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

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20.0 °C

472 - 500 J/(kg·K)

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100.0 °C

487 J/(kg·K)

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200.0 °C

503 J/(kg·K)

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300.0 °C

512 J/(kg·K)

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400.0 °C

520 J/(kg·K)

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500.0 °C

530 J/(kg·K)

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600.0 °C

541 J/(kg·K)

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700.0 °C

551 J/(kg·K)

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800.0 °C

559 J/(kg·K)

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Thermal conductivity

-100.0 °C

11.7 W/(m·K)

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20.0 °C

14.5 - 15 W/(m·K)

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100.0 °C

16 W/(m·K)

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200.0 °C

17.6 W/(m·K)

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300.0 °C

19.1 W/(m·K)

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400.0 °C

20.4 W/(m·K)

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500.0 °C

21.9 W/(m·K)

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600.0 °C

23.3 W/(m·K)

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700.0 °C

24.7 W/(m·K)

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800.0 °C

26.1 W/(m·K)

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Thermal diffusivity

-100.0 °C

3.7 mm²/s

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20.0 °C

3.9 mm²/s

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100.0 °C

4.3 mm²/s

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200.0 °C

4.3 mm²/s

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300.0 °C

4.6 mm²/s

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400.0 °C

4.7 mm²/s

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500.0 °C

4.9 mm²/s

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600.0 °C

5 mm²/s

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700.0 °C

5.3 mm²/s

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800.0 °C

5.7 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

-100.0 °C

5.86E-7 Ω·m

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20.0 °C

6.92E-7 - 7.3E-7 Ω·m

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100.0 °C

7.58E-7 Ω·m

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200.0 °C

8.36E-7 Ω·m

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300.0 °C

9.07E-7 Ω·m

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400.0 °C

9.73E-7 Ω·m

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500.0 °C

1.02E-6 Ω·m

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600.0 °C

1.06E-6 Ω·m

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700.0 °C

1.1E-6 Ω·m

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800.0 °C

1.13E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.03 %

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Chromium

16.5 - 18.5 %

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Manganese

2 %

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Nickel

6 - 8 %

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Nitrogen

0.1 - 0.2 %

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Phosphorus

0.05 %

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Silicon

1 %

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Sulfur

0.015 %

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