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EN 10250-2 Grade S355J2G3 – Normalized or Normalized Formed Steel for High-Performance Welding Applications

S355J2G3 is a high-tensile fine grain steel for welding constructions of dynamic load. Compared to S235J2G3 is achievable a considerable saving of material due to the by 120 MPa higher yield point. The steel shows a by 15% higher resistance to wear due to sliding action compared to S235J2G3.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.83 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

Poisson's ratio

23.0 °C

0.29 [-]

Typical for Low Carbon Steel

Shear modulus

23.0 °C

82 GPa

Typical for Low Carbon Steel

Yield strength

100.0 °C

194 - 254 MPa

200.0 °C

166 - 226 MPa

250.0 °C

146 - 206 MPa

300.0 °C

126 - 186 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

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

-100.0 °C

37.6 W/(m·K)

20.0 °C

42.2 W/(m·K)

100.0 °C

43.2 W/(m·K)

200.0 °C

42.9 W/(m·K)

300.0 °C

41.2 W/(m·K)

400.0 °C

39.1 W/(m·K)

500.0 °C

36.6 W/(m·K)

600.0 °C

34.1 W/(m·K)

Thermal diffusivity

-100.0 °C

12.9 mm²/s

20.0 °C

11.7 mm²/s

100.0 °C

11.2 mm²/s

200.0 °C

10.3 mm²/s

300.0 °C

9.4 mm²/s

400.0 °C

8.3 mm²/s

500.0 °C

7.1 mm²/s

600.0 °C

5.7 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

-100.0 °C

1.82E-7 Ω·m

20.0 °C

2.47E-7 Ω·m

100.0 °C

2.96E-7 Ω·m

200.0 °C

3.68E-7 Ω·m

300.0 °C

4.55E-7 Ω·m

400.0 °C

5.56E-7 Ω·m

500.0 °C

6.75E-7 Ω·m

600.0 °C

8.13E-7 Ω·m

Magnetic

PropertyValueComment

Curie temperature

770 °C

Typical for Low Carbon Steel

Chemical properties

PropertyValue

Aluminium

0.02 %

Carbon

0.22 %

Chromium

0.3 %

Manganese

1.6 %

Molybdenum

0.08 %

Nickel

0.3 %

Phosphorus

0.04 %

Silicon

0.55 %

Sulfur

0.035 %


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    1. EN 10250‑2 S235J2G3 Steel – Normalized & Formed (±N) for Dynamic Load Welding
    2. EN 10250‑2 – S235JRG2 Low‑Carbon Steel (Normalized or Normalized‑Formed)
    3. EN 10250‑2 Grade C35E Steel – Normalized/Normal Formed (N) for Heavy‑Duty Automotive & Machine Components
    4. EN 10250-2 Grade C45E: Normalized or Normalized Formed Steel (+N) – Specifications & Applications
    5. EN 10250‑2 Grade C60E: Normalized or +N Steel for Heavy‑Duty Applications
    6. EN 10216-2 Grade St 45.8: High‑Temperature Normalized Tube Steel (+N) for Seamless Tubes
    7. EN 10217-2 Grade St 37.8: High‑Temperature Normalized Tube Steel for Industrial Use
    8. EN 10217‑2 Grade St 42.8 Tube Steel – High‑Temperature Normalized Formed for Vessels & Petrochemical Use
    9. DIN 5512-1: Grade S355J2G3 Normalized/Normalized Formed – High-Strength, Corrosion-Resistant Structural Steel
    10. EN 10025 S355J2G3 Steel – Normalized & Normalized Formed (N) – High-Strength, Durable Construction Material