EN 10090 Grade X85CrMoV18-2 quenched and tempered (+QT)
EN 10090 Grade X85CrMoV18-2 quenched and tempered (+QT) introduction
X85CrMoV18-2 is a martensitic Cr-Mo-V-alloyed valve steel. The steel shows very high corrosion resistance in exhaust condensate and good resistance to lead compounds at increased temperatures.
Use: inlet valves, exhaust valves, valves
Equivalent material: GB 85Cr18Mo2V, IS X85Cr18Mo2V, IS V-10, ISO X85CrMoV18-2, GOST X85CrMoV18-2, DIN 1.4748, DIN X85CrMoV18-2, EN 1.4748
EN 10090 Grade X85CrMoV18-2 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.7 g/cm³ |
EN 10090 Grade X85CrMoV18-2 quenched and tempered (+QT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.09E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.12E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.15E-5 1/K |
- |
| - |
700.0 °C |
Coefficient of thermal expansion of 1.18E-5 1/K |
- |
| Melting point |
- |
Melting point of 1370 - 1530 °C |
Typical for Martensitic Stainless Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 500 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 21 W/(m·K) |
- |
EN 10090 Grade X85CrMoV18-2 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.8 - 0.9 % |
| Chromium |
Chromium of 16.5 - 18.5 % |
| Manganese |
Manganese of 1.5 % |
| Molybdenum |
Molybdenum of 2 - 2.5 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.03 % |
| Vanadium |
Vanadium of 0.3 - 0.6 % |
EN 10090 Grade X85CrMoV18-2 quenched and tempered (+QT) electrical
| Property |
Temperature |
Value |
Comment |
| Electrical resistivity |
23.0 °C |
Electrical resistivity of 6E-7 Ω·m |
Typical for Martensitic Stainless Steel |
EN 10090 Grade X85CrMoV18-2 quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 210 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 7 % |
- |
| Hardness, Brinell |
20.0 °C |
Hardness, Brinell of 296 - 355 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Martensitic Stainless Steel |
| Reduction of area |
20.0 °C |
Reduction of area of 12 % |
- |
| Shear modulus |
23.0 °C |
Shear modulus of 77 GPa |
Typical for Martensitic Stainless Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 1000 - 1200 MPa |
- |
| - |
500.0 °C |
Tensile strength of 550 MPa |
- |
| - |
550.0 °C |
Tensile strength of 400 MPa |
- |
| - |
600.0 °C |
Tensile strength of 300 MPa |
- |
| - |
650.0 °C |
Tensile strength of 230 MPa |
- |
| - |
700.0 °C |
Tensile strength of 180 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 800 MPa |
- |
| - |
500.0 °C |
Yield strength Rp0.2 of 500 MPa |
- |
| - |
550.0 °C |
Yield strength Rp0.2 of 370 MPa |
- |
| - |
600.0 °C |
Yield strength Rp0.2 of 280 MPa |
- |
| - |
650.0 °C |
Yield strength Rp0.2 of 170 MPa |
- |
| - |
700.0 °C |
Yield strength Rp0.2 of 120 MPa |
- |
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