DIN 17125 Grade EStE420 normalized or normalized formed (+N)
DIN 17125 Grade EStE420 normalized or normalized formed (+N) introduction
The fine grained steel is used acc. DIN 17178 : 1986-5 for welded steel tubes and acc. DIN 17179 : 1986-5 as seamless steel tubes for special purposes from -20 to 400 degrees C.
Application:
pressure vessel construction, apparatus construction, pipelines, mechanical engineering, toolbuilding
Special requirements regarding processing have to be arranged (e.g. coatings). For welded tubes the calculation with the 100 % loads are possible for the seam area.
Equivalent material: DIN 1.8913, EN 1.8913
DIN 17125 Grade EStE420 normalized or normalized formed (+N) general
| Property | Temperature | Value |
|---|---|---|
| Density | 20.0 °C | Density of 7.84 g/cm³ |
DIN 17125 Grade EStE420 normalized or normalized formed (+N) thermal
| Property | Temperature | Value |
|---|---|---|
| Coefficient of thermal expansion | -100.0 °C | Coefficient of thermal expansion of 1.05E-5 - 1.08E-5 1/K |
| - | 20.0 °C | Coefficient of thermal expansion of 1.15E-5 - 1.19E-5 1/K |
| - | 100.0 °C | Coefficient of thermal expansion of 1.21E-5 - 1.25E-5 1/K |
| - | 200.0 °C | Coefficient of thermal expansion of 1.27E-5 - 1.3E-5 1/K |
| - | 300.0 °C | Coefficient of thermal expansion of 1.32E-5 - 1.36E-5 1/K |
| - | 400.0 °C | Coefficient of thermal expansion of 1.36E-5 - 1.41E-5 1/K |
| - | 500.0 °C | Coefficient of thermal expansion of 1.4E-5 - 1.45E-5 1/K |
| - | 600.0 °C | Coefficient of thermal expansion of 1.44E-5 - 1.49E-5 1/K |
| Max service temperature, long | - | Max service temperature, long of -20 - 400 °C |
| 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 35.4 W/(m·K) |
| - | 20.0 °C | Thermal conductivity of 40.4 W/(m·K) |
| - | 100.0 °C | Thermal conductivity of 42 W/(m·K) |
| - | 200.0 °C | Thermal conductivity of 42 W/(m·K) |
| - | 300.0 °C | Thermal conductivity of 40.8 W/(m·K) |
| - | 400.0 °C | Thermal conductivity of 38.9 W/(m·K) |
| - | 500.0 °C | Thermal conductivity of 36.6 W/(m·K) |
| - | 600.0 °C | Thermal conductivity of 34.3 W/(m·K) |
| Thermal diffusivity | -100.0 °C | Thermal diffusivity of 12.1 mm²/s |
| - | 20.0 °C | Thermal diffusivity of 11.2 mm²/s |
| - | 100.0 °C | Thermal diffusivity of 10.8 mm²/s |
| - | 200.0 °C | Thermal diffusivity of 10.1 mm²/s |
| - | 300.0 °C | Thermal diffusivity of 9.3 mm²/s |
| - | 400.0 °C | Thermal diffusivity of 8.3 mm²/s |
| - | 500.0 °C | Thermal diffusivity of 7 mm²/s |
| - | 600.0 °C | Thermal diffusivity of 5.8 mm²/s |
DIN 17125 Grade EStE420 normalized or normalized formed (+N) chemical
| Property | Value |
|---|---|
| Aluminium | Aluminium of 0.02 % |
| Carbon | Carbon of 0.2 % |
| Chromium | Chromium of 0.3 % |
| Copper | Copper of 0.2 % |
| Manganese | Manganese of 1 - 1.7 % |
| Molybdenum | Molybdenum of 0.1 % |
| Nickel | Nickel of 1 % |
| Nitrogen | Nitrogen of 0.02 % |
| Phosphorus | Phosphorus of 0.03 % |
| Silicon | Silicon of 0.1 - 0.6 % |
| Sulfur | Sulfur of 0.015 % |
| Titanium | Titanium of 0.2 % |
| Vanadium | Vanadium of 0.22 % |
DIN 17125 Grade EStE420 normalized or normalized formed (+N) electrical
| Property | Temperature | Value |
|---|---|---|
| Electrical resistivity | -100.0 °C | Electrical resistivity of 1.93E-7 Ω·m |
| - | 20.0 °C | Electrical resistivity of 2.58E-7 Ω·m |
| - | 100.0 °C | Electrical resistivity of 3.05E-7 Ω·m |
| - | 200.0 °C | Electrical resistivity of 3.76E-7 Ω·m |
| - | 300.0 °C | Electrical resistivity of 4.6E-7 Ω·m |
| - | 400.0 °C | Electrical resistivity of 5.59E-7 Ω·m |
| - | 500.0 °C | Electrical resistivity of 6.75E-7 Ω·m |
| - | 600.0 °C | Electrical resistivity of 8.08E-7 Ω·m |
DIN 17125 Grade EStE420 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 % | - |
| Elongation, transverse | 20.0 °C | Elongation, transverse of 19 % | - |
| Poisson's ratio | 23.0 °C | Poisson's ratio of 0.3 [-] | Typical for Steel |
| Tensile strength | 20.0 °C | Tensile strength of 500 - 650 MPa | - |
| Tensile strength, transverse | 20.0 °C | Tensile strength, transverse of 500 - 650 MPa | - |
| Yield strength | 20.0 °C | Yield strength of 355 - 420 MPa | - |
| Yield strength, transverse | 20.0 °C | Yield strength, transverse of 355 - 420 MPa | - |
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