EN 10222-2 Grade 11CrMo9-10 normalized and tempered (+NT)
EN 10222-2 Grade 11CrMo9-10 normalized and tempered (+NT) introduction
The high temperature material 11CrMo9-10, material number 1.7383 is used in pressure vessel construction. It is applicable at continuous operation up to approx. 500 °C.
Equivalent material: IS 10Cr9Mo10, JIS SFVAF22, KS SFVAF22, ASTM A336 Grade F22, UNS K21590, ISO 13CrMo9-10, JIS SFVAF22A, JIS SFVAF22B, KS SFVAF22A, KS SFVAF22B, ASTM A336 Grade F22 Class 3, DIN 1.7383, DIN 11CrMo9-10, BS 11CrMo9-10, 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 10222-2 Grade 11CrMo9-10 normalized and tempered (+NT) general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Chromium Molybdenum Steel |
EN 10222-2 Grade 11CrMo9-10 normalized and tempered (+NT) 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 |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 500 °C |
- |
| 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 10222-2 Grade 11CrMo9-10 normalized and tempered (+NT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.08 - 0.15 % |
| Chromium |
Chromium of 2 - 2.5 % |
| Copper |
Copper of 0.25 % |
| Manganese |
Manganese of 0.4 - 0.8 % |
| Molybdenum |
Molybdenum of 0.9 - 1.1 % |
| Phosphorus |
Phosphorus of 0.02 - 0.03 % |
| Silicon |
Silicon of 0.5 % |
| Sulfur |
Sulfur of 0.01 - 0.015 % |
EN 10222-2 Grade 11CrMo9-10 normalized and tempered (+NT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Chromium Molybdenum Steel |
| Elongation |
20.0 °C |
Elongation of 20 - 23 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Molybdenum Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 450 - 670 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 265 - 310 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 255 - 300 MPa |
- |
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