EN 10217-2 Grade P235GH normalized or normalized formed (+N)
EN 10217-2 Grade P235GH normalized or normalized formed (+N) introduction
Electrical welded tubes made of the heat-resistant non-alloy quality steel P235GH are used for steam pressure vessels, tube construction, pressure vessel and apparatus manufacturing mainly in the chemical industry for temperatures up to 200 °C and simultaneous high pressures.
The total load and the special scale relationships may decrease or increase the temperature limit.
Equivalent material: GB Q245R, GB U50245, ISO PH23, ASTM A672 Grade A45, ASTM A672 Grade A50, ASTM A672 Grade A55, DIN P235GH, DIN HI, DIN St35.8, ASTM Grade A45, ASTM Grade A50, ASTM Grade A55, ASTM A45, ASTM A50, ASTM A55, DIN 1.0345, DIN St 35.8, DIN ASt 35, DIN StE 255, DIN H I, AFNOR A37CP, AFNOR A37AP, BS 141-360, BS 161Gr.360, JIS SB410, JIS SGV410, JIS SPV235, JIS SPV24, JIS SPV410, JIS SPV450, JIS SPV490, EN 1.0345, GOST 12k, GB 20, ASTM Grade B, ASTM Grade Ib, IS Grade1
EN 10217-2 Grade P235GH normalized or normalized formed (+N) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
EN 10217-2 Grade P235GH 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 200 - 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 57.5 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 55.7 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 51.9 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 47.6 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 43.4 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 39.6 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 36 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 15.9 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 14.3 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 12.5 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 10.8 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 9.2 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7.6 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 6.1 mm²/s |
- |
EN 10217-2 Grade P235GH normalized or normalized formed (+N) chemical
| Property |
Value |
| Aluminium |
Aluminium of 0.02 % |
| Carbon |
Carbon of 0.16 % |
| Chromium |
Chromium of 0.3 % |
| Copper |
Copper of 0.3 % |
| Manganese |
Manganese of 1.2 % |
| Molybdenum |
Molybdenum of 0.08 % |
| Nickel |
Nickel of 0.3 % |
| Niobium |
Niobium of 0.01 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.35 % |
| Sulfur |
Sulfur of 0.02 % |
| Titanium |
Titanium of 0.03 % |
| Vanadium |
Vanadium of 0.02 % |
EN 10217-2 Grade P235GH normalized or normalized formed (+N) magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
EN 10217-2 Grade P235GH normalized or normalized formed (+N) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.1E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.3E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.04E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 3.94E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.01E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.25E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 7.7E-7 Ω·m |
EN 10217-2 Grade P235GH 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 % |
- |
| Elongation, transverse |
20.0 °C |
Elongation, transverse of 23 % |
- |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.28 [-] |
- |
| Shear modulus |
23.0 °C |
Shear modulus of 82 GPa |
Typical for Low Carbon Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 360 - 500 MPa |
- |
| Tensile strength, transverse |
20.0 °C |
Tensile strength, transverse of 360 - 500 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 225 - 235 MPa |
- |
| - |
100.0 °C |
Yield strength of 205 - 212 MPa |
- |
| - |
150.0 °C |
Yield strength of 192 - 198 MPa |
- |
| - |
200.0 °C |
Yield strength of 180 - 185 MPa |
- |
| - |
250.0 °C |
Yield strength of 160 - 165 MPa |
- |
| - |
300.0 °C |
Yield strength of 135 - 140 MPa |
- |
| - |
350.0 °C |
Yield strength of 120 MPa |
- |
| - |
400.0 °C |
Yield strength of 112 MPa |
- |
| - |
450.0 °C |
Yield strength of 108 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 225 - 235 MPa |
- |
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