EN 10213 Grade GP240GH normalized or normalized formed (+N)
EN 10213 Grade GP240GH normalized or normalized formed (+N) introduction
Material GP240GH is equivalent to trademark GS-C 25 acc. to DIN 17245-87. It is used at room temperature and increased temperatures. The DIN-make shows only a low long-term thermal resistance and is therefore applicated in the range of the hot elastic limit. The well weldable material is used for turbine parts and pressure vessels at temperatures from 300 to 450 °C and mean pressure, e.g. for casings and fittings.
Equivalent material: BDS 20L, JIS SCPH1, PN L20, STAS T21, MSZ Aö21C, DIN GS-C25, UNS J03002, KS SCPH1, ASTM A1Q, ASTM A757 Grade A1Q, ASTM Grade A1Q, DIN 1.0619, DIN GP240GH, AFNOR GP240GH, BS GP240GH, JIS SCPH2, JIS SCW450, JIS SCW46, EN 1.0619
EN 10213 Grade GP240GH normalized or normalized formed (+N) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.8 g/cm³ |
EN 10213 Grade GP240GH normalized or normalized formed (+N) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.22E-5 - 1.26E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.29E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.34E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.39E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.4E-5 - 1.43E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.46E-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 300 - 610 °C |
- |
| Melting point |
- |
Melting point of 1480 - 1526 °C |
Typical for Low Carbon Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 460 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 50 W/(m·K) |
- |
| - |
50.0 °C |
Thermal conductivity of 45 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 46 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 42 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 38 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 34 W/(m·K) |
- |
EN 10213 Grade GP240GH normalized or normalized formed (+N) chemical
| Property |
Value |
| Carbon |
Carbon of 0.18 - 0.23 % |
| Chromium |
Chromium of 0.3 % |
| Copper |
Copper of 0.3 % |
| Manganese |
Manganese of 0.5 - 1.2 % |
| Molybdenum |
Molybdenum of 0.12 % |
| Nickel |
Nickel of 0.4 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.6 % |
| Sulfur |
Sulfur of 0.02 % |
| Vanadium |
Vanadium of 0.03 % |
EN 10213 Grade GP240GH normalized or normalized formed (+N) magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
EN 10213 Grade GP240GH normalized or normalized formed (+N) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.6E-7 Ω·m |
EN 10213 Grade GP240GH normalized or normalized formed (+N) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 211 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 204 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 196 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 186 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 177 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 164 GPa |
- |
| - |
600.0 °C |
Elastic modulus of 127 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 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 420 - 600 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 240 MPa |
- |
| - |
100.0 °C |
Yield strength Rp0.2 of 210 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 175 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 145 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 135 MPa |
- |
| - |
400.0 °C |
Yield strength Rp0.2 of 130 MPa |
- |
| - |
450.0 °C |
Yield strength Rp0.2 of 125 MPa |
- |
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