EN 10222-2 Grade X10CrMoVNb9-1 normalized and tempered (+NT)
EN 10222-2 Grade X10CrMoVNb9-1 normalized and tempered (+NT) introduction
The high-temperature material X10CrMoVNb9-1, material number 1.4903 is used for pressure vessel construction.
Equivalent material: DIN X10CrMoVNb9-1, ASTM A182 Grade F91, UNS K90901, DIN 1.4903, AFNOR TU Z 10 CDVNA 49-213, EN 1.4903, ASTM Grade T91, ASTM K90901, ASTM F91 Type 1, ASTM F91 Type 2, ASTM Grade WP91 Type 1, ASTM Grade P91 Type 1, ASTM Grade 91 Type 2 Class 2, ASTM Grade 91 Type 1 Class 2, AFNOR TU Z 10 CDVNA 49-219, ASTM Grade P91, ASTM Grade T91 Type 1, ASTM Grade T91 Type 2
EN 10222-2 Grade X10CrMoVNb9-1 normalized and tempered (+NT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.7 g/cm³ |
EN 10222-2 Grade X10CrMoVNb9-1 normalized and tempered (+NT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.09E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.13E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.17E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.2E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.23E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.26E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of 550 - 600 °C |
- |
| Melting point |
- |
Melting point of 1370 - 1530 °C |
Typical for Martensitic Stainless Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 460 J/(kg·K) |
Typical for Martensitic Stainless Steel |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 26 W/(m·K) |
- |
EN 10222-2 Grade X10CrMoVNb9-1 normalized and tempered (+NT) chemical
| Property |
Value |
| Aluminium |
Aluminium of 0.04 % |
| Carbon |
Carbon of 0.08 - 0.12 % |
| Chromium |
Chromium of 8 - 9.5 % |
| Manganese |
Manganese of 0.3 - 0.6 % |
| Molybdenum |
Molybdenum of 0.85 - 1.05 % |
| Nickel |
Nickel of 0.3 - 0.4 % |
| Niobium |
Niobium of 0.06 - 0.1 % |
| Nitrogen |
Nitrogen of 0.03 - 0.07 % |
| Phosphorus |
Phosphorus of 0.02 - 0.03 % |
| Silicon |
Silicon of 0.5 % |
| Sulfur |
Sulfur of 0.005 - 0.015 % |
| Vanadium |
Vanadium of 0.18 - 0.25 % |
EN 10222-2 Grade X10CrMoVNb9-1 normalized and tempered (+NT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 5E-7 Ω·m |
EN 10222-2 Grade X10CrMoVNb9-1 normalized and tempered (+NT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 218 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 213 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 206 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 198 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 190 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 180 GPa |
- |
| - |
600.0 °C |
Elastic modulus of 167 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 17 - 19 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Martensitic Stainless Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 77 GPa |
Typical for Martensitic Stainless Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 630 - 830 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 450 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 435 MPa |
- |
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