SEW 087 Grade WTSt 37-2 – Normalized & Normalized Formed (+N) – High-Performance Structural Steel
WTSt 37-2 is used for welded, screwed and riveted constructions of different kind, e. g. structural engineering, bridge building, container construction. The steel is good weldable and formable.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.85 g/cm³ |
Mechanical
| Property | Temperature | Value |
|---|---|---|
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 | 25 % |
Poisson's ratio | 20.0 °C | 0.28 [-] |
Tensile strength | 20.0 °C | 340 - 490 MPa |
Yield strength | 20.0 °C | 215 - 235 MPa |
Yield strength Rp0.2 | 100.0 °C | 186 MPa |
200.0 °C | 157 MPa | |
250.0 °C | 147 MPa | |
300.0 °C | 118 MPa | |
Thermal
| Property | Temperature | Value |
|---|---|---|
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
| Property | Temperature | Value |
|---|---|---|
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
| Property | Value |
|---|---|
Carbon | 0.13 % |
Chromium | 0.5 - 0.8 % |
Copper | 0.3 - 0.5 % |
Manganese | 0.2 - 0.5 % |
Nitrogen | 9E-3 % |
Phosphorus | 0.05 % |
Silicon | 0.1 - 0.4 % |
Sulfur | 0.035 % |
Metal
- SEW 087 Grade WTSt 37-3: Normalized and Normalized Formed Steel for Structural Applications
- DIN 2394-2 Grade USt 37-2: Normalized or Normalized-Formed Steel Standard
- DIN 2394-2: St 37-2 Grade Steel – Normalized & Normalized Formed (+N) Properties
- DIN 2395-3 USt 37-2 Precision Tubes: Normalized/Normalized Formed (±N) – Automotive Grade
- DIN 2393-2 RSt 37-2 Steel Tubes – Normalized & Formed Grade (+N)
- EN 10305-3 Grade RSt 37‑2 – Precision Normalized Steel Tubes
- EN 10025 Grade RPSt 37-2 – Normalized or Normalized Formed Steel (±N)
- EN 10216-2 Grade St 45.8: High‑Temperature Normalized Tube Steel (+N) for Seamless Tubes
- EN 10217-2 Grade St 37.8: High‑Temperature Normalized Tube Steel for Industrial Use
- EN 10217‑2 Grade St 42.8 Tube Steel – High‑Temperature Normalized Formed for Vessels & Petrochemical Use