SEW 555 Grade X14CrMoVNbN10-1 quenched and tempered (+QT)
SEW 555 Grade X14CrMoVNbN10-1 quenched and tempered (+QT) introduction
The high temperature alloy steel X14CrMoVNbN10-1 is used for larger preshaped components in the quenched and tempered condition in turbine and generator installations, in particular as shafts and discs.
The steel is weldable if the relevant measures required are observed.
Equivalent material: DIN 1.4902, EN X14CrMoVNbN10-1, EN 1.4902
SEW 555 Grade X14CrMoVNbN10-1 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
SEW 555 Grade X14CrMoVNbN10-1 quenched and tempered (+QT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1E-5 - 1.5E-5 1/K |
Typical for Martensitic Stainless Steel |
| 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 |
23.0 °C |
Thermal conductivity of 14 - 31 W/(m·K) |
Typical for Martensitic Stainless Steel |
SEW 555 Grade X14CrMoVNbN10-1 quenched and tempered (+QT) chemical
| Property |
Value |
| Aluminium |
Aluminium of 0.012 % |
| Carbon |
Carbon of 0.11 - 0.16 % |
| Chromium |
Chromium of 10 - 11 % |
| Manganese |
Manganese of 0.4 - 0.6 % |
| Molybdenum |
Molybdenum of 1.4 - 1.6 % |
| Nickel |
Nickel of 0.5 - 0.7 % |
| Niobium |
Niobium of 0.04 - 0.06 % |
| Nitrogen |
Nitrogen of 0.04 - 0.06 % |
| Phosphorus |
Phosphorus of 0.02 % |
| Silicon |
Silicon of 0.1 % |
| Sulfur |
Sulfur of 7E-3 % |
| Vanadium |
Vanadium of 0.15 - 0.25 % |
SEW 555 Grade X14CrMoVNbN10-1 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 |
SEW 555 Grade X14CrMoVNbN10-1 quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 220 GPa |
Typical for Martensitic Stainless Steel |
| Elongation, transverse |
20.0 °C |
Elongation, transverse of 13 - 15 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Martensitic Stainless Steel |
| Reduction of area, transverse |
20.0 °C |
Reduction of area, transverse of 40 % |
- |
| Shear modulus |
23.0 °C |
Shear modulus of 77 GPa |
Typical for Martensitic Stainless Steel |
| Tensile strength, transverse |
20.0 °C |
Tensile strength, transverse of 700 - 950 MPa |
- |
| Yield strength Rp0.2 |
100.0 °C |
Yield strength Rp0.2 of 555 - 695 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 525 - 625 MPa |
- |
| - |
250.0 °C |
Yield strength Rp0.2 of 515 - 610 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 505 - 595 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 495 - 575 MPa |
- |
| - |
400.0 °C |
Yield strength Rp0.2 of 475 - 555 MPa |
- |
| - |
450.0 °C |
Yield strength Rp0.2 of 445 - 525 MPa |
- |
| - |
500.0 °C |
Yield strength Rp0.2 of 405 - 485 MPa |
- |
| - |
550.0 °C |
Yield strength Rp0.2 of 345 - 425 MPa |
- |
| - |
600.0 °C |
Yield strength Rp0.2 of 270 - 345 MPa |
- |
| Yield strength Rp0.2, transverse |
20.0 °C |
Yield strength Rp0.2, transverse of 600 - 700 MPa |
- |
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