EN 10090 NiFe25Cr20NbTi: Solution Heat-Treated & Precipitation Hardened (+AT+P) for Superior Creep and Corrosion Resistance
NiFe25Cr20NbTi is a nickel-base alloy with high creep strength and very good scaling resistance. This alloy shows very high corrosion resistance to lead compounds at increased temperatures. Use: inlet valves, exhaust valves
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 8.1 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 215 GPa | |
Elongation | 20.0 °C | 25 % | |
Hardness, Rockwell C | 20.0 °C | 28 [-] | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Nickel Steel |
Reduction of area | 20.0 °C | 30 % | |
Shear modulus | 23.0 °C | 76 GPa | Typical for Nickel Steel |
Tensile strength | 20.0 °C | 900 - 1100 MPa | |
500.0 °C | 800 MPa | ||
550.0 °C | 800 MPa | ||
600.0 °C | 790 MPa | ||
650.0 °C | 740 MPa | ||
700.0 °C | 640 MPa | ||
750.0 °C | 500 MPa | ||
800.0 °C | 340 MPa | ||
Yield strength Rp0.2 | 20.0 °C | 500 MPa | |
500.0 °C | 450 MPa | ||
550.0 °C | 450 MPa | ||
600.0 °C | 450 MPa | ||
650.0 °C | 430 MPa | ||
700.0 °C | 430 MPa | ||
750.0 °C | 380 MPa | ||
800.0 °C | 250 MPa | ||
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 1.41E-5 1/K | |
300.0 °C | 1.55E-5 1/K | ||
500.0 °C | 1.59E-5 1/K | ||
700.0 °C | 1.68E-5 1/K | ||
Melting point | 1316 - 1595 °C | Typical for Nickel Steel | |
Specific heat capacity | 20.0 °C | 460 J/(kg·K) | |
Thermal conductivity | 20.0 °C | 13 W/(m·K) | |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 0.3 - 1 % |
Boron | 8E-3 % |
Carbon | 0.04 - 0.1 % |
Chromium | 18 - 21 % |
Iron | 23 - 28 % |
Manganese | 1 % |
Nickel | 43.85 % |
Phosphorus | 0.03 % |
Silicon | 1 % |
Sulfur | 0.015 % |
Titanium | 1 - 2 % |
Metal
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