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EN 10025 Grade RSt 37-2 (Untreated) – High-Strength Steel for Welding Applications

RSt 37-2 is used for for welded constructions stress dependent up to - 25 °C.

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

24 - 26 %

Elongation, transverse

20.0 °C

22 - 24 %

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

340 - 510 MPa

Yield strength

20.0 °C

215 - 235 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

-25 - 300 °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

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

Magnetic

PropertyValueComment

Curie temperature

770 °C

Typical for Low Carbon Steel

Chemical properties

PropertyValue

Carbon

0.2 %

Phosphorus

0.05 %

Sulfur

0.05 %


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    1. EN 10305-5 Grade RSt 37-2 Precision Welded Steel Tubes
    2. DIN 17120 RSt 37-2 Low‑Carbon Steel: Key Properties & Temperature Data
    3. EN 10210-1 Grade RSt 37-2: Technical Specifications & Performance
    4. EN 10305-3 RSt 37-2 Soft Annealed Steel Tubes – Premium Precision Construction Grade
    5. EN 10025 RSt 37-2 Cu 3 – Untreated Low‑Carbon Steel with Superior Corrosion Resistance
    6. EN 10025 KSt 44-2 Untreated: Premium Low‑Carbon Structural Steel for Roll Forming
    7. EN 10305-3 Grade RSt 37‑2 – Precision Normalized Steel Tubes
    8. EN 10277-2 Grade RSt 37-2 – High‑Performance Low‑Carbon Steel for Extreme Temperature Applications
    9. RQSt 37-2 (EN 10025) – Untreated Low‑Carbon Steel for Folding and Welded Constructions
    10. EN 10025 Grade RoSt 44-2 – Uncoated Fine‑Grained Steel for Welded Tubes