EN 10273 Grade P250GH normalized or normalized formed (+N)
EN 10273 Grade P250GH normalized or normalized formed (+N) introduction
The steel P250GH is a high temperature steel for boiler engineering.
Application: use for shaped pieces and flanges.
Equivalent material: AFNOR CC20, BS 221-430, GOST 20, ISO F13, JIS SFV1, PN 20, ASTM Grade 60, ASTM Grade 70, DIN C22.8, DIN C22G2, DIN 1.0460, DIN P250GH, AFNOR P250GH, BS P250GH, EN 1.0460, UNS K03504
EN 10273 Grade P250GH normalized or normalized formed (+N) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
EN 10273 Grade P250GH 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 |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 400 °C |
- |
| 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 |
20.0 °C |
Thermal conductivity of 51 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 50.8 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 48.7 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 45.8 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 42.5 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 39.2 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 36 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 14.1 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 13.1 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 11.7 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 10.4 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 9 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7.6 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 6.1 mm²/s |
- |
EN 10273 Grade P250GH normalized or normalized formed (+N) chemical
| Property |
Value |
| Aluminium |
Aluminium of 0.015 - 0.05 % |
| Carbon |
Carbon of 0.18 - 0.23 % |
| Chromium |
Chromium of 0.3 % |
| Manganese |
Manganese of 0.3 - 0.9 % |
| Molybdenum |
Molybdenum of 0.08 % |
| Nickel |
Nickel of 0.3 % |
| Niobium |
Niobium of 0.01 - 0.02 % |
| Nitrogen |
Nitrogen of 0.01 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.015 % |
| Titanium |
Titanium of 0.03 % |
| Vanadium |
Vanadium of 0.02 % |
EN 10273 Grade P250GH normalized or normalized formed (+N) magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
EN 10273 Grade P250GH normalized or normalized formed (+N) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 2.04E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.52E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.24E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.1E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.12E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.31E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 7.7E-7 Ω·m |
EN 10273 Grade P250GH 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 25 % |
- |
| 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 410 - 540 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 230 - 250 MPa |
- |
| Yield strength Rp0.2 |
50.0 °C |
Yield strength Rp0.2 of 224 - 242 MPa |
- |
| - |
100.0 °C |
Yield strength Rp0.2 of 220 - 237 MPa |
- |
| - |
150.0 °C |
Yield strength Rp0.2 of 200 - 216 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 175 - 190 MPa |
- |
| - |
250.0 °C |
Yield strength Rp0.2 of 155 - 170 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 135 - 150 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 115 - 130 MPa |
- |
| - |
400.0 °C |
Yield strength Rp0.2 of 90 - 110 MPa |
- |
| - |
450.0 °C |
Yield strength Rp0.2 of 70 - 90 MPa |
- |
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