EN 10269 X12CrNiMoV12-3 Quenched & Tempered Steel – Martensitic Stainless for Turbine Applications
High-temperature steel for application in turbine construction. Further application for mounting elements at increased temperatures.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.7 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 220 GPa | Typical for Martensitic Stainless Steel |
Elongation | 20.0 °C | 14 % | |
Poisson's ratio | 23.0 °C | 0.3 [-] | Typical for Martensitic Stainless Steel |
Reduction of area | 20.0 °C | 40 % | |
Shear modulus | 23.0 °C | 77 GPa | Typical for Martensitic Stainless Steel |
Tensile strength | 20.0 °C | 930 - 1130 MPa | |
Yield strength Rp0.2 | 20.0 °C | 760 MPa | |
50.0 °C | 730 MPa | ||
100.0 °C | 680 MPa | ||
150.0 °C | 668 MPa | ||
200.0 °C | 655 MPa | ||
250.0 °C | 653 MPa | ||
300.0 °C | 650 MPa | ||
350.0 °C | 630 MPa | ||
400.0 °C | 610 MPa | ||
450.0 °C | 560 MPa | ||
500.0 °C | 505 MPa | ||
550.0 °C | 400 MPa | ||
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1E-5 - 1.5E-5 1/K | Typical for Martensitic Stainless Steel |
Max service temperature, long | 0 - 550 °C | ||
Melting point | 1370 - 1530 °C | Typical for Martensitic Stainless Steel | |
Specific heat capacity | 23.0 °C | 460 J/(kg·K) | Typical for Martensitic Stainless Steel |
Thermal conductivity | 23.0 °C | 14 - 31 W/(m·K) | Typical for Martensitic Stainless Steel |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 6E-7 Ω·m | Typical for Martensitic Stainless Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.08 - 0.15 % |
Chromium | 11 - 12.5 % |
Manganese | 0.4 - 0.9 % |
Molybdenum | 1.5 - 2 % |
Nickel | 2 - 3 % |
Nitrogen | 0.02 - 0.04 % |
Phosphorus | 0.03 % |
Silicon | 0.5 % |
Sulfur | 0.015 % |
Vanadium | 0.25 - 0.4 % |
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