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DIN 1629 Grade St 52.0 – High‑Strength Normalized Steel Tubes

Seamless tubes made from St 52.0 are used in the apparatus engineering, container and pipe construction as well as mechanical engineering. The steel is weldable.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.85 g/cm³

Mechanical

PropertyTemperatureValueComment

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

21 %

Elongation, transverse

20.0 °C

19 %

Poisson's ratio

20.0 °C

0.28 [-]

Shear modulus

23.0 °C

75 - 80 GPa

Typical for Carbon Steel

Tensile strength

20.0 °C

500 - 650 MPa

Tensile strength, transverse

20.0 °C

500 - 650 MPa

Yield strength

20.0 °C

335 - 355 MPa

Yield strength Rp0.2

50.0 °C

335 - 355 MPa

200.0 °C

230 - 245 MPa

250.0 °C

210 - 225 MPa

300.0 °C

185 - 195 MPa

Yield strength, transverse

20.0 °C

335 - 355 MPa

Thermal

PropertyTemperatureValueComment

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

Max service temperature

500 °C

Typical for Carbon Steel

Max service temperature, long

0 - 300 °C

Melting point

1380 - 1514 °C

Typical for Medium Carbon Steel

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

53.4 W/(m·K)

100.0 °C

52.9 W/(m·K)

200.0 °C

50.3 W/(m·K)

300.0 °C

46.7 W/(m·K)

400.0 °C

43.3 W/(m·K)

500.0 °C

39.8 W/(m·K)

600.0 °C

36.7 W/(m·K)

Thermal diffusivity

20.0 °C

14.8 mm²/s

100.0 °C

13.6 mm²/s

200.0 °C

12.1 mm²/s

300.0 °C

10.6 mm²/s

400.0 °C

9.2 mm²/s

500.0 °C

7.7 mm²/s

600.0 °C

6.2 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.95E-7 Ω·m

100.0 °C

2.42E-7 Ω·m

200.0 °C

3.14E-7 Ω·m

300.0 °C

4.02E-7 Ω·m

400.0 °C

5.02E-7 Ω·m

500.0 °C

6.21E-7 Ω·m

600.0 °C

7.55E-7 Ω·m

Chemical properties

PropertyValue

Aluminium

0.02 %

Carbon

0.22 %

Phosphorus

0.04 %

Sulfur

0.035 %


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