EN 10216-2 Grade St 45.8 normalized or normalized formed (+N)
EN 10216-2 Grade St 45.8 normalized or normalized formed (+N) introduction
High temperature tube steel for seamless tubes. Applicable up to 500 °C wall temperature for continuous operation.
Application:
steam vessel and pressure vessel construction, apparatus construction, petrochemical industry
Equivalent material: AFNOR TU42-C, BS 440, GOST 20, ISO TS9H, UNI C18, JIS STPT42, PN K18, ASTM FPB, DIN 1.0405, DIN St 45.8 III, DIN St 45-8/III, DIN P255G1TH, AFNOR TU 42-c, JIS STPT480, EN St 45.8 III, EN 1.0405, ASTM Grade B, ASTM Grade WPL6
EN 10216-2 Grade St 45.8 normalized or normalized formed (+N) general
| Property | Temperature | Value |
|---|---|---|
| Density | 20.0 °C | Density of 7.85 g/cm³ |
| - | 50.0 °C | Density of 7.84 g/cm³ |
| - | 100.0 °C | Density of 7.83 g/cm³ |
| - | 150.0 °C | Density of 7.81 g/cm³ |
| - | 200.0 °C | Density of 7.79 g/cm³ |
| - | 250.0 °C | Density of 7.78 g/cm³ |
| - | 300.0 °C | Density of 7.76 g/cm³ |
| - | 350.0 °C | Density of 7.74 g/cm³ |
| - | 400.0 °C | Density of 7.72 g/cm³ |
| - | 450.0 °C | Density of 7.7 g/cm³ |
| - | 500.0 °C | Density of 7.68 g/cm³ |
| - | 550.0 °C | Density of 7.66 g/cm³ |
| - | 600.0 °C | Density of 7.64 g/cm³ |
EN 10216-2 Grade St 45.8 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 1.22E-5 - 1.25E-5 1/K | - |
| - | 200.0 °C | Coefficient of thermal expansion of 1.29E-5 - 1.3E-5 1/K | - |
| - | 300.0 °C | Coefficient of thermal expansion of 1.34E-5 - 1.36E-5 1/K | - |
| - | 400.0 °C | Coefficient of thermal expansion of 1.4E-5 - 1.41E-5 1/K | - |
| - | 500.0 °C | Coefficient of thermal expansion of 1.43E-5 - 1.45E-5 1/K | - |
| - | 600.0 °C | Coefficient of thermal expansion of 1.46E-5 - 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 - 500 °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 - 500 J/(kg·K) | - |
| - | 200.0 °C | Specific heat capacity of 499 - 540 J/(kg·K) | - |
| - | 300.0 °C | Specific heat capacity of 517 - 580 J/(kg·K) | - |
| - | 400.0 °C | Specific heat capacity of 536 - 620 J/(kg·K) | - |
| - | 500.0 °C | Specific heat capacity of 558 - 690 J/(kg·K) | - |
| - | 600.0 °C | Specific heat capacity of 587 - 780 J/(kg·K) | - |
| Thermal conductivity | 20.0 °C | Thermal conductivity of 53.4 W/(m·K) | - |
| - | 100.0 °C | Thermal conductivity of 52.9 - 53 W/(m·K) | - |
| - | 200.0 °C | Thermal conductivity of 50 - 50.3 W/(m·K) | - |
| - | 300.0 °C | Thermal conductivity of 46.7 - 47 W/(m·K) | - |
| - | 400.0 °C | Thermal conductivity of 43 - 43.3 W/(m·K) | - |
| - | 500.0 °C | Thermal conductivity of 39.8 - 40 W/(m·K) | - |
| - | 600.0 °C | Thermal conductivity of 36 - 36.7 W/(m·K) | - |
| Thermal diffusivity | 20.0 °C | Thermal diffusivity of 14.8 mm²/s | - |
| - | 100.0 °C | Thermal diffusivity of 13.6 mm²/s | - |
| - | 200.0 °C | Thermal diffusivity of 12.1 mm²/s | - |
| - | 300.0 °C | Thermal diffusivity of 10.6 mm²/s | - |
| - | 400.0 °C | Thermal diffusivity of 9.2 mm²/s | - |
| - | 500.0 °C | Thermal diffusivity of 7.7 mm²/s | - |
| - | 600.0 °C | Thermal diffusivity of 6.2 mm²/s | - |
EN 10216-2 Grade St 45.8 normalized or normalized formed (+N) chemical
| Property | Value |
|---|---|
| Carbon | Carbon of 0.21 % |
| Manganese | Manganese of 0.4 - 1.2 % |
| Phosphorus | Phosphorus of 0.04 % |
| Silicon | Silicon of 0.1 - 0.35 % |
| Sulfur | Sulfur of 0.04 % |
EN 10216-2 Grade St 45.8 normalized or normalized formed (+N) magnetic
| Property | Value | Comment |
|---|---|---|
| Curie temperature | Curie temperature of 770 °C | Typical for Low Carbon Steel |
EN 10216-2 Grade St 45.8 normalized or normalized formed (+N) electrical
| Property | Temperature | Value |
|---|---|---|
| Electrical resistivity | 20.0 °C | Electrical resistivity of 1.95E-7 Ω·m |
| - | 50.0 °C | Electrical resistivity of 2.11E-7 Ω·m |
| - | 100.0 °C | Electrical resistivity of 2.3E-7 - 2.42E-7 Ω·m |
| - | 150.0 °C | Electrical resistivity of 2.76E-7 Ω·m |
| - | 200.0 °C | Electrical resistivity of 3E-7 - 3.14E-7 Ω·m |
| - | 250.0 °C | Electrical resistivity of 3.55E-7 Ω·m |
| - | 300.0 °C | Electrical resistivity of 3.8E-7 - 4.02E-7 Ω·m |
| - | 350.0 °C | Electrical resistivity of 4.49E-7 Ω·m |
| - | 400.0 °C | Electrical resistivity of 4.8E-7 - 5.02E-7 Ω·m |
| - | 450.0 °C | Electrical resistivity of 5.59E-7 Ω·m |
| - | 500.0 °C | Electrical resistivity of 6E-7 - 6.21E-7 Ω·m |
| - | 550.0 °C | Electrical resistivity of 6.83E-7 Ω·m |
| - | 600.0 °C | Electrical resistivity of 7.4E-7 - 7.55E-7 Ω·m |
EN 10216-2 Grade St 45.8 normalized or normalized formed (+N) mechanical
| Property | Temperature | Value |
|---|---|---|
| Elastic modulus | -100.0 °C | Elastic modulus of 217 GPa |
| - | 20.0 °C | Elastic modulus of 211.31 - 212 GPa |
| - | 50.0 °C | Elastic modulus of 209.84 GPa |
| - | 100.0 °C | Elastic modulus of 206.79 - 207 GPa |
| - | 150.0 °C | Elastic modulus of 203.36 GPa |
| - | 200.0 °C | Elastic modulus of 199 - 200 GPa |
| - | 250.0 °C | Elastic modulus of 195.42 GPa |
| - | 300.0 °C | Elastic modulus of 191.49 - 192 GPa |
| - | 350.0 °C | Elastic modulus of 187.47 GPa |
| - | 400.0 °C | Elastic modulus of 183 - 184 GPa |
| - | 450.0 °C | Elastic modulus of 179.03 GPa |
| - | 500.0 °C | Elastic modulus of 174.72 - 175 GPa |
| - | 550.0 °C | Elastic modulus of 170.2 GPa |
| - | 600.0 °C | Elastic modulus of 164 - 166 GPa |
| Elongation | 20.0 °C | Elongation of 21 % |
| Elongation, transverse | 20.0 °C | Elongation, transverse of 19 % |
| Poisson's ratio | 20.0 °C | Poisson's ratio of 0.28 [-] |
| - | 50.0 °C | Poisson's ratio of 0.29 [-] |
| - | 100.0 °C | Poisson's ratio of 0.29 [-] |
| - | 150.0 °C | Poisson's ratio of 0.29 [-] |
| - | 200.0 °C | Poisson's ratio of 0.29 [-] |
| - | 250.0 °C | Poisson's ratio of 0.29 [-] |
| - | 300.0 °C | Poisson's ratio of 0.29 [-] |
| - | 350.0 °C | Poisson's ratio of 0.29 [-] |
| - | 400.0 °C | Poisson's ratio of 0.3 [-] |
| - | 450.0 °C | Poisson's ratio of 0.3 [-] |
| - | 500.0 °C | Poisson's ratio of 0.3 [-] |
| - | 550.0 °C | Poisson's ratio of 0.3 [-] |
| - | 600.0 °C | Poisson's ratio of 0.3 [-] |
| Shear modulus | 20.0 °C | Shear modulus of 82.31 GPa |
| - | 50.0 °C | Shear modulus of 81.62 GPa |
| - | 100.0 °C | Shear modulus of 80.34 GPa |
| - | 150.0 °C | Shear modulus of 78.97 GPa |
| - | 200.0 °C | Shear modulus of 77.4 GPa |
| - | 250.0 °C | Shear modulus of 75.83 GPa |
| - | 300.0 °C | Shear modulus of 74.16 GPa |
| - | 350.0 °C | Shear modulus of 72.5 GPa |
| - | 400.0 °C | Shear modulus of 70.73 GPa |
| - | 450.0 °C | Shear modulus of 69.06 GPa |
| - | 500.0 °C | Shear modulus of 67.3 GPa |
| - | 550.0 °C | Shear modulus of 65.53 GPa |
| - | 600.0 °C | Shear modulus of 63.67 GPa |
| Tensile strength | 20.0 °C | Tensile strength of 410 - 530 MPa |
| Yield strength Rp0.2 | 20.0 °C | Yield strength Rp0.2 of 235 - 255 MPa |
| - | 200.0 °C | Yield strength Rp0.2 of 190 - 205 MPa |
| - | 250.0 °C | Yield strength Rp0.2 of 170 - 185 MPa |
| - | 300.0 °C | Yield strength Rp0.2 of 150 - 160 MPa |
| - | 350.0 °C | Yield strength Rp0.2 of 135 - 140 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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