EN 10273: Grade P355GH – Normalized or Normalized Formed Steel (+N)
The steel P355GH is a high temperature steel. Application: use in steam boiler and pressure vessel engineering.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.82 - 7.85 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
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 | 20 - 21 % | |
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 |
Tensile strength | 20.0 °C | 480 - 650 MPa | |
Yield strength | 20.0 °C | 295 - 355 MPa | |
Yield strength Rp0.2 | 50.0 °C | 278 - 343 MPa | |
100.0 °C | 250 - 323 MPa | ||
150.0 °C | 240 - 299 MPa | ||
200.0 °C | 228 - 275 MPa | ||
250.0 °C | 209 - 252 MPa | ||
300.0 °C | 192 - 232 MPa | ||
350.0 °C | 175 - 214 MPa | ||
400.0 °C | 155 - 202 MPa | ||
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
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 | 20.0 °C | 39.7 W/(m·K) | |
100.0 °C | 41.3 W/(m·K) | ||
200.0 °C | 41.5 W/(m·K) | ||
300.0 °C | 40.4 W/(m·K) | ||
400.0 °C | 38.7 W/(m·K) | ||
500.0 °C | 36.6 W/(m·K) | ||
600.0 °C | 34.3 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 11 mm²/s | |
100.0 °C | 10.7 mm²/s | ||
200.0 °C | 10 mm²/s | ||
300.0 °C | 9.2 mm²/s | ||
400.0 °C | 8.2 mm²/s | ||
500.0 °C | 7.1 mm²/s | ||
600.0 °C | 5.8 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 2.62E-7 Ω·m |
100.0 °C | 3.1E-7 Ω·m | |
200.0 °C | 3.8E-7 Ω·m | |
300.0 °C | 4.64E-7 Ω·m | |
400.0 °C | 5.62E-7 Ω·m | |
500.0 °C | 6.76E-7 Ω·m | |
600.0 °C | 8.07E-7 Ω·m | |
Magnetic
| Property | Value | Comment |
|---|---|---|
Curie temperature | 770 °C | Typical for Low Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 0.02 % |
Carbon | 0.1 - 0.22 % |
Chromium | 0.3 % |
Copper | 0.3 % |
Manganese | 1 - 1.7 % |
Molybdenum | 0.08 % |
Nickel | 0.3 % |
Niobium | 0.01 - 0.04 % |
Phosphorus | 0.03 % |
Silicon | 0.6 % |
Sulfur | 0.01 - 0.025 % |
Titanium | 0.03 % |
Vanadium | 0.02 % |
Metal
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