DIN 17445 Grade G-X20Cr14 quenched and tempered (+QT)
DIN 17445 Grade G-X20Cr14 quenched and tempered (+QT) introduction
G-X 20 Cr 14, for the manufacturing of turbines, e. g. buckets, blades, cocks, valve constructions,
Equivalent material: DIN 1.4027, AFNOR Z20C13M, BS 420C29, JIS SCS2, EN 1.4027
DIN 17445 Grade G-X20Cr14 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.7 g/cm³ |
DIN 17445 Grade G-X20Cr14 quenched and tempered (+QT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.05E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.1E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.15E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.15E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.2E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 400 °C |
- |
| Melting point |
- |
Melting point of 1370 - 1530 °C |
Typical for Martensitic Stainless Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 460 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 29 W/(m·K) |
- |
DIN 17445 Grade G-X20Cr14 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.16 - 0.23 % |
| Chromium |
Chromium of 12.5 - 14.5 % |
| Manganese |
Manganese of 1 % |
| Nickel |
Nickel of 1 % |
| Phosphorus |
Phosphorus of 0.05 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.03 % |
DIN 17445 Grade G-X20Cr14 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 |
DIN 17445 Grade G-X20Cr14 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 |
20.0 °C |
Elongation of 12 % |
- |
| Hardness, Brinell |
20.0 °C |
Hardness, Brinell of 170 - 240 [-] |
- |
| 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 590 - 790 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 440 MPa |
- |
| - |
100.0 °C |
Yield strength Rp0.2 of 365 MPa |
- |
| - |
150.0 °C |
Yield strength Rp0.2 of 355 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 345 MPa |
- |
| - |
250.0 °C |
Yield strength Rp0.2 of 335 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 325 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 315 MPa |
- |
| - |
400.0 °C |
Yield strength Rp0.2 of 305 MPa |
- |
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