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EN 10025 Grade S275J2G3 – High‑Yield Normalized Steel for Dynamic Load Applications

S275J2G3 is a fine grained steel for welding constructions of dynamic load. The steel is applicated up to temperatures of -20°C. Compared to S235J2G3 is achievable a saving of material due to the by 40 MPa higher yield point. For this steel are available (mat. No 1.0141 acc. to DIN EN 10025) grades for: - folding (KQ)-S275J2G3C - cold forming of sections (KP)-S275J2G3C - cold drawing (KZ)-S275J2G3C

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

17 - 22 %

Elongation A80

20.0 °C

14 - 18 %

Elongation A80, transverse

20.0 °C

12 - 16 %

Elongation, transverse

20.0 °C

17 - 20 %

Poisson's ratio

20.0 °C

0.28 [-]

Shear modulus

23.0 °C

82 GPa

Typical for Low Carbon Steel

Tensile strength

20.0 °C

380 - 580 MPa

Yield strength

20.0 °C

205 - 275 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

-20 - 0 °C

Melting point

1480 - 1526 °C

Typical for Low 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

Magnetic

PropertyValueComment

Curie temperature

770 °C

Typical for Low Carbon Steel

Chemical properties

PropertyValue

Carbon

0.18 %

Manganese

1.5 %

Phosphorus

0.04 %

Sulfur

0.035 %


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    4. EN 10025 QSt 44-3 Steel – Normalized/Normalized Formed (+N) for High-Performance Applications
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