DIN 17243 Grade X20CrMoV12-1 quenched and tempered (+QT)
DIN 17243 Grade X20CrMoV12-1 quenched and tempered (+QT) introduction
High temperature steel for high pressure hydrogenation vessels up to 600 °C. It is scale resistant in air and steam up to 700 °C.
Application:
in the chemical industry, steam vessel and turbine construction for blades, screws and other high temperature parts
Equivalent material: AFNOR Z20CDV12.1, BS 762, ISO F40, PN 20H12M1F, SS 2317, DIN X20CrMoV11-1, DIN 1.4922, EN X20CrMoV11-1, EN 1.4922
DIN 17243 Grade X20CrMoV12-1 quenched and tempered (+QT) general
| Property | Temperature | Value |
|---|---|---|
| Density | 20.0 °C | Density of 7.76 g/cm³ |
| - | 50.0 °C | Density of 7.75 g/cm³ |
| - | 100.0 °C | Density of 7.74 g/cm³ |
| - | 150.0 °C | Density of 7.73 g/cm³ |
| - | 200.0 °C | Density of 7.71 g/cm³ |
| - | 250.0 °C | Density of 7.7 g/cm³ |
| - | 300.0 °C | Density of 7.68 g/cm³ |
| - | 350.0 °C | Density of 7.67 g/cm³ |
| - | 400.0 °C | Density of 7.65 g/cm³ |
| - | 450.0 °C | Density of 7.64 g/cm³ |
| - | 500.0 °C | Density of 7.62 g/cm³ |
| - | 550.0 °C | Density of 7.61 g/cm³ |
| - | 600.0 °C | Density of 7.59 g/cm³ |
DIN 17243 Grade X20CrMoV12-1 quenched and tempered (+QT) thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Coefficient of thermal expansion | 20.0 °C | Coefficient of thermal expansion of 1.02E-5 1/K | - |
| - | 100.0 °C | Coefficient of thermal expansion of 1.05E-5 - 1.08E-5 1/K | - |
| - | 200.0 °C | Coefficient of thermal expansion of 1.09E-5 - 1.12E-5 1/K | - |
| - | 300.0 °C | Coefficient of thermal expansion of 1.13E-5 - 1.16E-5 1/K | - |
| - | 400.0 °C | Coefficient of thermal expansion of 1.16E-5 - 1.19E-5 1/K | - |
| - | 500.0 °C | Coefficient of thermal expansion of 1.2E-5 - 1.21E-5 1/K | - |
| - | 600.0 °C | Coefficient of thermal expansion of 1.22E-5 - 1.23E-5 1/K | - |
| Max service temperature, long | - | Max service temperature, long of 0 - 600 °C | - |
| Melting point | - | Melting point of 1370 - 1530 °C | Typical for Martensitic Stainless Steel |
| Specific heat capacity | 20.0 °C | Specific heat capacity of 439 J/(kg·K) | - |
| - | 100.0 °C | Specific heat capacity of 474 - 490 J/(kg·K) | - |
| - | 200.0 °C | Specific heat capacity of 498 - 540 J/(kg·K) | - |
| - | 300.0 °C | Specific heat capacity of 517 - 580 J/(kg·K) | - |
| - | 400.0 °C | Specific heat capacity of 538 - 630 J/(kg·K) | - |
| - | 500.0 °C | Specific heat capacity of 564 - 710 J/(kg·K) | - |
| - | 600.0 °C | Specific heat capacity of 598 - 830 J/(kg·K) | - |
| Thermal conductivity | 20.0 °C | Thermal conductivity of 24 W/(m·K) | - |
| - | 100.0 °C | Thermal conductivity of 24 - 24.4 W/(m·K) | - |
| - | 200.0 °C | Thermal conductivity of 24.8 - 25 W/(m·K) | - |
| - | 300.0 °C | Thermal conductivity of 25 - 25.1 W/(m·K) | - |
| - | 400.0 °C | Thermal conductivity of 25.6 - 26 W/(m·K) | - |
| - | 500.0 °C | Thermal conductivity of 26 - 26.1 W/(m·K) | - |
| - | 600.0 °C | Thermal conductivity of 26 - 26.4 W/(m·K) | - |
| Thermal diffusivity | 20.0 °C | Thermal diffusivity of 7.1 mm²/s | - |
| - | 100.0 °C | Thermal diffusivity of 6.3 mm²/s | - |
| - | 200.0 °C | Thermal diffusivity of 6 mm²/s | - |
| - | 300.0 °C | Thermal diffusivity of 5.7 mm²/s | - |
| - | 400.0 °C | Thermal diffusivity of 5.4 mm²/s | - |
| - | 500.0 °C | Thermal diffusivity of 4.9 mm²/s | - |
| - | 600.0 °C | Thermal diffusivity of 4.1 mm²/s | - |
DIN 17243 Grade X20CrMoV12-1 quenched and tempered (+QT) chemical
| Property | Value |
|---|---|
| Carbon | Carbon of 0.17 - 0.23 % |
| Chromium | Chromium of 10 - 12.5 % |
| Manganese | Manganese of 1 % |
| Molybdenum | Molybdenum of 0.8 - 1.2 % |
| Nickel | Nickel of 0.3 - 0.8 % |
| Phosphorus | Phosphorus of 0.03 % |
| Silicon | Silicon of 0.5 % |
| Sulfur | Sulfur of 0.03 % |
| Vanadium | Vanadium of 0.25 - 0.35 % |
DIN 17243 Grade X20CrMoV12-1 quenched and tempered (+QT) electrical
| Property | Temperature | Value |
|---|---|---|
| Electrical resistivity | 20.0 °C | Electrical resistivity of 6.03E-7 Ω·m |
| - | 50.0 °C | Electrical resistivity of 6.26E-7 Ω·m |
| - | 100.0 °C | Electrical resistivity of 6.68E-7 - 6.7E-7 Ω·m |
| - | 150.0 °C | Electrical resistivity of 7.06E-7 Ω·m |
| - | 200.0 °C | Electrical resistivity of 7.4E-7 - 7.43E-7 Ω·m |
| - | 250.0 °C | Electrical resistivity of 7.83E-7 Ω·m |
| - | 300.0 °C | Electrical resistivity of 8.17E-7 - 8.2E-7 Ω·m |
| - | 350.0 °C | Electrical resistivity of 8.54E-7 Ω·m |
| - | 400.0 °C | Electrical resistivity of 8.9E-7 Ω·m |
| - | 450.0 °C | Electrical resistivity of 9.25E-7 Ω·m |
| - | 500.0 °C | Electrical resistivity of 9.6E-7 - 9.62E-7 Ω·m |
| - | 550.0 °C | Electrical resistivity of 9.99E-7 Ω·m |
| - | 600.0 °C | Electrical resistivity of 1.03E-6 - 1.04E-6 Ω·m |
DIN 17243 Grade X20CrMoV12-1 quenched and tempered (+QT) mechanical
| Property | Temperature | Value |
|---|---|---|
| Elastic modulus | 20.0 °C | Elastic modulus of 217.68 - 218 GPa |
| - | 50.0 °C | Elastic modulus of 216.02 GPa |
| - | 100.0 °C | Elastic modulus of 212.98 - 213 GPa |
| - | 150.0 °C | Elastic modulus of 209.64 GPa |
| - | 200.0 °C | Elastic modulus of 206 - 206.21 GPa |
| - | 250.0 °C | Elastic modulus of 202.38 GPa |
| - | 300.0 °C | Elastic modulus of 198 - 198.26 GPa |
| - | 350.0 °C | Elastic modulus of 193.94 GPa |
| - | 400.0 °C | Elastic modulus of 189 - 190 GPa |
| - | 450.0 °C | Elastic modulus of 184.33 GPa |
| - | 500.0 °C | Elastic modulus of 178.93 - 180 GPa |
| - | 550.0 °C | Elastic modulus of 172.85 GPa |
| - | 600.0 °C | Elastic modulus of 165.79 - 167 GPa |
| Elongation | 20.0 °C | Elongation of 16 - 17 % |
| Elongation, transverse | 20.0 °C | Elongation, transverse of 14 % |
| Poisson's ratio | 20.0 °C | Poisson's ratio of 0.28 [-] |
| - | 50.0 °C | Poisson's ratio of 0.28 [-] |
| - | 100.0 °C | Poisson's ratio of 0.28 [-] |
| - | 150.0 °C | Poisson's ratio of 0.28 [-] |
| - | 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 0.31 [-] |
| - | 550.0 °C | Poisson's ratio of 0.31 [-] |
| - | 600.0 °C | Poisson's ratio of 0.31 [-] |
| Shear modulus | 20.0 °C | Shear modulus of 84.95 GPa |
| - | 50.0 °C | Shear modulus of 84.27 GPa |
| - | 100.0 °C | Shear modulus of 82.99 GPa |
| - | 150.0 °C | Shear modulus of 81.62 GPa |
| - | 200.0 °C | Shear modulus of 80.05 GPa |
| - | 250.0 °C | Shear modulus of 78.48 GPa |
| - | 300.0 °C | Shear modulus of 76.71 GPa |
| - | 350.0 °C | Shear modulus of 74.95 GPa |
| - | 400.0 °C | Shear modulus of 73.08 GPa |
| - | 450.0 °C | Shear modulus of 70.93 GPa |
| - | 500.0 °C | Shear modulus of 68.57 GPa |
| - | 550.0 °C | Shear modulus of 66.02 GPa |
| - | 600.0 °C | Shear modulus of 63.27 GPa |
| Tensile strength | 20.0 °C | Tensile strength of 690 - 850 MPa |
| - | 100.0 °C | Tensile strength of 650 MPa |
| - | 150.0 °C | Tensile strength of 625 MPa |
| - | 200.0 °C | Tensile strength of 600 MPa |
| - | 250.0 °C | Tensile strength of 590 MPa |
| - | 300.0 °C | Tensile strength of 580 MPa |
| - | 350.0 °C | Tensile strength of 545 MPa |
| - | 400.0 °C | Tensile strength of 510 MPa |
| - | 450.0 °C | Tensile strength of 455 MPa |
| - | 500.0 °C | Tensile strength of 400 MPa |
| - | 550.0 °C | Tensile strength of 325 MPa |
| Tensile strength, transverse | 20.0 °C | Tensile strength, transverse of 690 - 850 MPa |
| Yield strength Rp0.2 | 20.0 °C | Yield strength Rp0.2 of 490 - 500 MPa |
| - | 100.0 °C | Yield strength Rp0.2 of 460 MPa |
| - | 150.0 °C | Yield strength Rp0.2 of 445 MPa |
| - | 200.0 °C | Yield strength Rp0.2 of 430 MPa |
| - | 250.0 °C | Yield strength Rp0.2 of 415 MPa |
| - | 300.0 °C | Yield strength Rp0.2 of 390 MPa |
| - | 350.0 °C | Yield strength Rp0.2 of 380 MPa |
| - | 400.0 °C | Yield strength Rp0.2 of 360 MPa |
| - | 450.0 °C | Yield strength Rp0.2 of 330 MPa |
| - | 500.0 °C | Yield strength Rp0.2 of 290 MPa |
| - | 550.0 °C | Yield strength Rp0.2 of 250 MPa |
| - | 600.0 °C | Yield strength Rp0.2 of 160 MPa |
| Yield strength Rp0.2, transverse | 20.0 °C | Yield strength Rp0.2, transverse of 490 - 500 MPa |
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