EN 10273 Grade P355NH normalized or normalized formed (+N)
EN 10273 Grade P355NH normalized or normalized formed (+N) introduction
The steel P355NH is a high temperature steel.
Application: use in pressure vessel engineering.
Equivalent material: BS 225-490BLT20, UNI FeE355-2, SS 2106, ASTM LF2, DIN WStE355, DIN WStE355S, ISO P35, ISO PH35, DIN 1.0565, DIN WStE 355, DIN P355NH, AFNOR P355NH, AFNOR A510AP, BS 225-490 B, BS 500 Nb, BS P355NH, BS 225-490 A, BS 225/490, UNI A 510 AP, EN 1.0565, ISO P355NH, ASTM Grade 70, ASTM Grade A, UNS K01600, UNS K02003, UNS K02007, UNS K02010, UNS K02700, UNS K02701, UNS K02803, UNS K11803, UNS K12001, UNS K12037, UNS K12609
EN 10273 Grade P355NH normalized or normalized formed (+N) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.83 - 7.85 g/cm³ |
EN 10273 Grade P355NH normalized or normalized formed (+N) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 1.08E-5 1/K |
- |
| - |
20.0 °C |
Coefficient of thermal expansion of 1.19E-5 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.25E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.3E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.36E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.41E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.45E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.49E-5 1/K |
- |
| Max service temperature |
- |
Max service temperature of 500 °C |
Typical for Carbon Steel |
| Melting point |
- |
Melting point of 1480 - 1526 °C |
Typical for Low Carbon Steel |
| Specific heat capacity |
-100.0 °C |
Specific heat capacity of 423 J/(kg·K) |
- |
| - |
20.0 °C |
Specific heat capacity of 461 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 479 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 499 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 517 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 536 J/(kg·K) |
- |
| - |
500.0 °C |
Specific heat capacity of 558 J/(kg·K) |
- |
| - |
600.0 °C |
Specific heat capacity of 587 J/(kg·K) |
- |
| Thermal conductivity |
-100.0 °C |
Thermal conductivity of 37.6 W/(m·K) |
- |
| - |
20.0 °C |
Thermal conductivity of 42.2 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 43.2 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 42.9 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 41.2 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 39.1 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 36.6 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 34.1 W/(m·K) |
- |
| Thermal diffusivity |
-100.0 °C |
Thermal diffusivity of 12.9 mm²/s |
- |
| - |
20.0 °C |
Thermal diffusivity of 11.7 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 11.2 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 10.3 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 9.4 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 8.3 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7.1 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 5.7 mm²/s |
- |
EN 10273 Grade P355NH normalized or normalized formed (+N) chemical
| Property |
Value |
| Aluminium |
Aluminium of 0.02 % |
| Carbon |
Carbon of 0.18 - 0.2 % |
| Chromium |
Chromium of 0.3 % |
| Copper |
Copper of 0.3 % |
| Manganese |
Manganese of 0.9 - 1.7 % |
| Molybdenum |
Molybdenum of 0.08 % |
| Nickel |
Nickel of 0.5 % |
| Niobium |
Niobium of 0.05 % |
| Nitrogen |
Nitrogen of 0.01 - 0.02 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.5 % |
| Sulfur |
Sulfur of 0.01 - 0.025 % |
| Titanium |
Titanium of 0.03 % |
| Vanadium |
Vanadium of 0.1 % |
EN 10273 Grade P355NH normalized or normalized formed (+N) magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
EN 10273 Grade P355NH normalized or normalized formed (+N) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
-100.0 °C |
Electrical resistivity of 1.82E-7 Ω·m |
| - |
20.0 °C |
Electrical resistivity of 2.47E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.96E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.68E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.55E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.56E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.75E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 8.13E-7 Ω·m |
EN 10273 Grade P355NH normalized or normalized formed (+N) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
- |
| - |
20.0 °C |
Elastic modulus of 212 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 207 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 199 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 192 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 184 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 175 GPa |
- |
| - |
600.0 °C |
Elastic modulus of 164 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 21 - 22 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Low Carbon Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 82 GPa |
Typical for Low Carbon Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 450 - 630 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 295 - 355 MPa |
- |
| Yield strength Rp0.2 |
50.0 °C |
Yield strength Rp0.2 of 280 - 343 MPa |
- |
| - |
100.0 °C |
Yield strength Rp0.2 of 255 - 323 MPa |
- |
| - |
150.0 °C |
Yield strength Rp0.2 of 235 - 299 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 216 - 275 MPa |
- |
| - |
250.0 °C |
Yield strength Rp0.2 of 196 - 252 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 177 - 232 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 157 - 214 MPa |
- |
| - |
400.0 °C |
Yield strength Rp0.2 of 127 - 202 MPa |
- |
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