EN 10273 Grade 11CrMo9-10 quenched and tempered (+QT)
EN 10273 Grade 11CrMo9-10 quenched and tempered (+QT) introduction
The steel 11CrMo9-10 is a high temperature steel suitable for welding.
Application: use in pressure vessel engineering.
Equivalent material: UNS K21590, IS 12Cr9Mo10H, ISO 13CrMo9-10, DIN 1.7383, DIN 11CrMo9-10, BS 11CrMo9-10, JIS SFVAF22A, JIS SFVAF22B, EN 1.7383, ISO 10CrMo9-10, ISO 13CrMo9-10+NT1, ISO 13CrMo9-10+NT2, ISO 14CrMo9-10, ASTM Type A Class 1, ASTM Type A Class 2, ASTM Type A Class 3, ASTM Type A Class 4, ASTM Type A Class 4a, ASTM K21590 Class 3
EN 10273 Grade 11CrMo9-10 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
EN 10273 Grade 11CrMo9-10 quenched and tempered (+QT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1.1E-5 - 1.4E-5 1/K |
Typical for Chromium Molybdenum Steel |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Chromium Molybdenum Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 448 - 502 J/(kg·K) |
Typical for Chromium Molybdenum Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 36 - 43 W/(m·K) |
Typical for Chromium Molybdenum Steel |
EN 10273 Grade 11CrMo9-10 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.08 - 0.15 % |
| Chromium |
Chromium of 2 - 2.5 % |
| Copper |
Copper of 0.25 - 0.3 % |
| Manganese |
Manganese of 0.4 - 0.8 % |
| Molybdenum |
Molybdenum of 0.9 - 1.1 % |
| Nitrogen |
Nitrogen of 0.01 % |
| Phosphorus |
Phosphorus of 0.02 - 0.03 % |
| Silicon |
Silicon of 0.5 % |
| Sulfur |
Sulfur of 0.01 - 0.025 % |
EN 10273 Grade 11CrMo9-10 quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Chromium Molybdenum Steel |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Molybdenum Steel |
| Yield strength Rp0.2 |
250.0 °C |
Yield strength Rp0.2 of 255 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 235 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 225 MPa |
- |
| - |
400.0 °C |
Yield strength Rp0.2 of 215 MPa |
- |
| - |
450.0 °C |
Yield strength Rp0.2 of 205 MPa |
- |
| - |
500.0 °C |
Yield strength Rp0.2 of 195 MPa |
- |
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