EN 10216-2 Grade X12CrMo91 quenched and tempered (+QT)
EN 10216-2 Grade X12CrMo91 quenched and tempered (+QT) introduction
High temperature steel for high pressure hydrogenation vessels. In the annealed condition it is resistant to high pressure hydrogen as well as to aggressive oils.
Application:
hydration facilities and petroleum distillation facilities for tubes, in the quenched and tempered condition also in the vessel and apparatus construction
Equivalent material: AFNOR Z10CD9, BS 629-590, ISO TS38, JIS SFHV26A, ASTM FP9, DIN X12CrMo9-1, DIN X11CrMo9-1+I, DIN 1.7386, BS X11CrMo9-1, JIS STBA26, JIS STFA26, JIS STPA26, EN X11CrMo9-1, EN 1.7386, ASTM Grade T9, ASTM K90941, ASTM F9, ASTM Grade P9, UNS K90941
EN 10216-2 Grade X12CrMo91 quenched and tempered (+QT) general
| Property | Temperature | Value |
|---|---|---|
| Density | 20.0 °C | Density of 7.77 g/cm³ |
EN 10216-2 Grade X12CrMo91 quenched and tempered (+QT) thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Coefficient of thermal expansion | -100.0 °C | Coefficient of thermal expansion of 1E-5 1/K | - |
| - | 20.0 °C | Coefficient of thermal expansion of 1.08E-5 1/K | - |
| - | 100.0 °C | Coefficient of thermal expansion of 1.12E-5 - 1.13E-5 1/K | - |
| - | 200.0 °C | Coefficient of thermal expansion of 1.16E-5 - 1.18E-5 1/K | - |
| - | 300.0 °C | Coefficient of thermal expansion of 1.2E-5 - 1.23E-5 1/K | - |
| - | 400.0 °C | Coefficient of thermal expansion of 1.23E-5 - 1.27E-5 1/K | - |
| - | 425.0 °C | Coefficient of thermal expansion of 1.19E-5 1/K | - |
| - | 485.0 °C | Coefficient of thermal expansion of 1.22E-5 1/K | - |
| - | 500.0 °C | Coefficient of thermal expansion of 1.26E-5 - 1.3E-5 1/K | - |
| - | 540.0 °C | Coefficient of thermal expansion of 1.23E-5 1/K | - |
| - | 595.0 °C | Coefficient of thermal expansion of 1.25E-5 1/K | - |
| - | 600.0 °C | Coefficient of thermal expansion of 1.29E-5 - 1.32E-5 1/K | - |
| - | 650.0 °C | Coefficient of thermal expansion of 1.27E-5 1/K | - |
| - | 700.0 °C | Coefficient of thermal expansion of 1.33E-5 1/K | - |
| Melting point | - | Melting point of 1382 - 1529 °C | Typical for Chromium Molybdenum Steel |
| Specific heat capacity | 20.0 °C | Specific heat capacity of 429 J/(kg·K) | - |
| - | 100.0 °C | Specific heat capacity of 464 - 500 J/(kg·K) | - |
| - | 200.0 °C | Specific heat capacity of 492 - 530 J/(kg·K) | - |
| - | 300.0 °C | Specific heat capacity of 511 - 560 J/(kg·K) | - |
| - | 400.0 °C | Specific heat capacity of 531 - 610 J/(kg·K) | - |
| - | 500.0 °C | Specific heat capacity of 554 - 680 J/(kg·K) | - |
| - | 600.0 °C | Specific heat capacity of 585 - 780 J/(kg·K) | - |
| - | 700.0 °C | Specific heat capacity of 626 J/(kg·K) | - |
| Thermal conductivity | 20.0 °C | Thermal conductivity of 20.7 W/(m·K) | - |
| - | 100.0 °C | Thermal conductivity of 22.6 - 23 W/(m·K) | - |
| - | 200.0 °C | Thermal conductivity of 24 - 24.4 W/(m·K) | - |
| - | 300.0 °C | Thermal conductivity of 25.8 - 26 W/(m·K) | - |
| - | 400.0 °C | Thermal conductivity of 26.9 - 27 W/(m·K) | - |
| - | 500.0 °C | Thermal conductivity of 27.8 - 28 W/(m·K) | - |
| - | 600.0 °C | Thermal conductivity of 28.5 - 29 W/(m·K) | - |
| - | 700.0 °C | Thermal conductivity of 28.8 W/(m·K) | - |
| Thermal diffusivity | 20.0 °C | Thermal diffusivity of 6.2 mm²/s | - |
| - | 100.0 °C | Thermal diffusivity of 5.9 mm²/s | - |
| - | 200.0 °C | Thermal diffusivity of 6 mm²/s | - |
| - | 300.0 °C | Thermal diffusivity of 6 mm²/s | - |
| - | 400.0 °C | Thermal diffusivity of 5.7 mm²/s | - |
| - | 500.0 °C | Thermal diffusivity of 5.4 mm²/s | - |
| - | 600.0 °C | Thermal diffusivity of 4.8 mm²/s | - |
| - | 700.0 °C | Thermal diffusivity of 4 mm²/s | - |
EN 10216-2 Grade X12CrMo91 quenched and tempered (+QT) chemical
| Property | Value |
|---|---|
| Carbon | Carbon of 0.15 % |
| Chromium | Chromium of 8 - 10 % |
| Manganese | Manganese of 0.3 - 0.6 % |
| Molybdenum | Molybdenum of 0.9 - 1.1 % |
| Phosphorus | Phosphorus of 0.03 % |
| Silicon | Silicon of 0.25 - 1 % |
| Sulfur | Sulfur of 0.03 % |
EN 10216-2 Grade X12CrMo91 quenched and tempered (+QT) electrical
| Property | Temperature | Value |
|---|---|---|
| Electrical resistivity | 20.0 °C | Electrical resistivity of 5.03E-7 Ω·m |
| - | 100.0 °C | Electrical resistivity of 5.67E-7 - 5.7E-7 Ω·m |
| - | 200.0 °C | Electrical resistivity of 6.47E-7 - 6.5E-7 Ω·m |
| - | 300.0 °C | Electrical resistivity of 7.27E-7 - 7.3E-7 Ω·m |
| - | 400.0 °C | Electrical resistivity of 8.09E-7 - 8.1E-7 Ω·m |
| - | 500.0 °C | Electrical resistivity of 8.9E-7 Ω·m |
| - | 600.0 °C | Electrical resistivity of 9.7E-7 - 9.72E-7 Ω·m |
| - | 700.0 °C | Electrical resistivity of 1.06E-6 Ω·m |
EN 10216-2 Grade X12CrMo91 quenched and tempered (+QT) mechanical
| Property | Temperature | Value |
|---|---|---|
| Elastic modulus | 20.0 °C | Elastic modulus of 211.67 - 218 GPa |
| - | 95.0 °C | Elastic modulus of 208.22 GPa |
| - | 100.0 °C | Elastic modulus of 213 - 214 GPa |
| - | 150.0 °C | Elastic modulus of 204.77 GPa |
| - | 200.0 °C | Elastic modulus of 206 - 207 GPa |
| - | 205.0 °C | Elastic modulus of 200.64 GPa |
| - | 260.0 °C | Elastic modulus of 196.5 GPa |
| - | 300.0 °C | Elastic modulus of 198 - 199 GPa |
| - | 315.0 °C | Elastic modulus of 191.67 GPa |
| - | 370.0 °C | Elastic modulus of 186.85 GPa |
| - | 400.0 °C | Elastic modulus of 190 GPa |
| - | 425.0 °C | Elastic modulus of 181.33 GPa |
| - | 485.0 °C | Elastic modulus of 175.82 GPa |
| - | 500.0 °C | Elastic modulus of 180 GPa |
| - | 540.0 °C | Elastic modulus of 170.3 GPa |
| - | 595.0 °C | Elastic modulus of 165.47 GPa |
| - | 600.0 °C | Elastic modulus of 167 - 168 GPa |
| - | 650.0 °C | Elastic modulus of 159.96 GPa |
| - | 700.0 °C | Elastic modulus of 150 GPa |
| - | 760.0 °C | Elastic modulus of 137.21 GPa |
| Elongation | 20.0 °C | Elongation of 20 % |
| Elongation, transverse | 20.0 °C | Elongation, transverse of 18 % |
| Poisson's ratio | 20.0 °C | Poisson's ratio of 0.3 [-] |
| - | 95.0 °C | Poisson's ratio of 0.3 [-] |
| - | 150.0 °C | Poisson's ratio of 0.3 [-] |
| - | 205.0 °C | Poisson's ratio of 0.3 [-] |
| - | 260.0 °C | Poisson's ratio of 0.3 [-] |
| - | 315.0 °C | Poisson's ratio of 0.3 [-] |
| - | 370.0 °C | Poisson's ratio of 0.3 [-] |
| - | 425.0 °C | Poisson's ratio of 0.3 [-] |
| - | 485.0 °C | Poisson's ratio of 0.31 [-] |
| - | 540.0 °C | Poisson's ratio of 0.31 [-] |
| - | 595.0 °C | Poisson's ratio of 0.3 [-] |
| - | 650.0 °C | Poisson's ratio of 0.33 [-] |
| - | 760.0 °C | Poisson's ratio of 0.33 [-] |
| Shear modulus | 20.0 °C | Shear modulus of 81.7 GPa |
| - | 95.0 °C | Shear modulus of 80.32 GPa |
| - | 150.0 °C | Shear modulus of 78.95 GPa |
| - | 205.0 °C | Shear modulus of 77.22 GPa |
| - | 260.0 °C | Shear modulus of 75.5 GPa |
| - | 315.0 °C | Shear modulus of 73.77 GPa |
| - | 370.0 °C | Shear modulus of 71.71 GPa |
| - | 425.0 °C | Shear modulus of 69.64 GPa |
| - | 485.0 °C | Shear modulus of 67.22 GPa |
| - | 540.0 °C | Shear modulus of 65.16 GPa |
| - | 595.0 °C | Shear modulus of 63.43 GPa |
| - | 650.0 °C | Shear modulus of 60.33 GPa |
| - | 760.0 °C | Shear modulus of 51.71 GPa |
| Tensile strength | 20.0 °C | Tensile strength of 590 - 740 MPa |
| - | 100.0 °C | Tensile strength of 550 MPa |
| - | 150.0 °C | Tensile strength of 525 MPa |
| - | 200.0 °C | Tensile strength of 500 MPa |
| - | 250.0 °C | Tensile strength of 490 MPa |
| - | 300.0 °C | Tensile strength of 480 MPa |
| - | 350.0 °C | Tensile strength of 460 MPa |
| - | 400.0 °C | Tensile strength of 430 MPa |
| - | 450.0 °C | Tensile strength of 405 MPa |
| - | 500.0 °C | Tensile strength of 360 MPa |
| Tensile strength, transverse | 20.0 °C | Tensile strength, transverse of 590 - 740 MPa |
| Yield strength Rp0.2 | 20.0 °C | Yield strength Rp0.2 of 390 MPa |
| - | 100.0 °C | Yield strength Rp0.2 of 375 MPa |
| - | 150.0 °C | Yield strength Rp0.2 of 365 MPa |
| - | 200.0 °C | Yield strength Rp0.2 of 355 MPa |
| - | 250.0 °C | Yield strength Rp0.2 of 345 MPa |
| - | 300.0 °C | Yield strength Rp0.2 of 335 MPa |
| - | 350.0 °C | Yield strength Rp0.2 of 325 MPa |
| - | 400.0 °C | Yield strength Rp0.2 of 315 MPa |
| - | 450.0 °C | Yield strength Rp0.2 of 295 MPa |
| - | 500.0 °C | Yield strength Rp0.2 of 275 MPa |
| Yield strength Rp0.2, transverse | 20.0 °C | Yield strength Rp0.2, transverse of 390 MPa |
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