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DIN 5512‑1 Grade S235J2W: Normalized or Normalized‑Formed Steel for Rail Vehicle Engineering

The steel is used for rail vehicle engineering acc. to the selected standard DIN 5512-1.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.85 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

217 GPa

20.0 °C

212 GPa

100.0 °C

207 GPa

200.0 °C

199 GPa

300.0 °C

192 GPa

400.0 °C

184 GPa

500.0 °C

175 GPa

600.0 °C

164 GPa

Elongation

20.0 °C

22 - 26 %

Elongation A80

20.0 °C

19 - 21 %

Elongation A80, transverse

20.0 °C

17 - 19 %

Elongation, transverse

20.0 °C

22 - 24 %

Poisson's ratio

20.0 °C

0.28 [-]

Tensile strength

20.0 °C

350 - 510 MPa

Tensile strength, transverse

20.0 °C

350 - 510 MPa

Yield strength

20.0 °C

195 - 235 MPa

Yield strength, transverse

20.0 °C

195 - 235 MPa

Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

-100.0 °C

1.08E-5 1/K

20.0 °C

1.19E-5 1/K

100.0 °C

1.25E-5 1/K

200.0 °C

1.3E-5 1/K

300.0 °C

1.36E-5 1/K

400.0 °C

1.41E-5 1/K

500.0 °C

1.45E-5 1/K

600.0 °C

1.49E-5 1/K

Specific heat capacity

-100.0 °C

423 J/(kg·K)

20.0 °C

461 J/(kg·K)

100.0 °C

479 J/(kg·K)

200.0 °C

499 J/(kg·K)

300.0 °C

517 J/(kg·K)

400.0 °C

536 J/(kg·K)

500.0 °C

558 J/(kg·K)

600.0 °C

587 J/(kg·K)

Thermal conductivity

20.0 °C

56.9 W/(m·K)

100.0 °C

56.4 W/(m·K)

200.0 °C

53.5 W/(m·K)

300.0 °C

49.4 W/(m·K)

400.0 °C

45.2 W/(m·K)

500.0 °C

41.3 W/(m·K)

600.0 °C

37.6 W/(m·K)

Thermal diffusivity

20.0 °C

15.7 mm²/s

100.0 °C

14.5 mm²/s

200.0 °C

12.9 mm²/s

300.0 °C

11.2 mm²/s

400.0 °C

9.6 mm²/s

500.0 °C

7.9 mm²/s

600.0 °C

6.3 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.83E-7 Ω·m

100.0 °C

2.27E-7 Ω·m

200.0 °C

2.95E-7 Ω·m

300.0 °C

3.8E-7 Ω·m

400.0 °C

4.81E-7 Ω·m

500.0 °C

5.99E-7 Ω·m

600.0 °C

7.38E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.13 %

Chromium

0.4 - 0.8 %

Copper

0.25 - 0.55 %

Manganese

0.2 - 0.8 %

Nickel

0.65 %

Phosphorus

0.04 %

Silicon

0.4 %

Sulfur

0.03 %


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