DIN 17480 Grade NiCr20TiAl solution heat-treated and precipitation hardened (+AT+P)
DIN 17480 Grade NiCr20TiAl solution heat-treated and precipitation hardened (+AT+P) introduction
NiCr20TiAl is a nickel-base alloy with high creep strength and very good scaling resistance. This alloy shows good corrosion resistance in exhaust condensate and good resistance to lead compounds at increased temperatures.
Use: exhaust valves, valves, gas-turbine blades, discs and shafts.
DIN 17480 Grade NiCr20TiAl solution heat-treated and precipitation hardened (+AT+P) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 8.1 g/cm³ |
DIN 17480 Grade NiCr20TiAl solution heat-treated and precipitation hardened (+AT+P) thermal
| Property |
Temperature |
Value |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.19E-5 1/K |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.31E-5 1/K |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.37E-5 1/K |
| - |
700.0 °C |
Coefficient of thermal expansion of 1.45E-5 1/K |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 460 J/(kg·K) |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 13 W/(m·K) |
DIN 17480 Grade NiCr20TiAl solution heat-treated and precipitation hardened (+AT+P) chemical
| Property |
Value |
| Aluminium |
Aluminium of 1 - 1.8 % |
| Boron |
Boron of 8E-3 % |
| Carbon |
Carbon of 0.04 - 0.1 % |
| Chromium |
Chromium of 18 - 21 % |
| Cobalt |
Cobalt of 2 % |
| Copper |
Copper of 0.2 % |
| Iron |
Iron of 3 % |
| Manganese |
Manganese of 1 % |
| Nickel |
Nickel of 65 % |
| Phosphorus |
Phosphorus of 0.02 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.015 % |
| Titanium |
Titanium of 1.8 - 2.7 % |
DIN 17480 Grade NiCr20TiAl solution heat-treated and precipitation hardened (+AT+P) mechanical
| Property |
Temperature |
Value |
| Elastic modulus |
20.0 °C |
Elastic modulus of 215 GPa |
| Elongation |
20.0 °C |
Elongation of 15 % |
| Hardness, Rockwell C |
20.0 °C |
Hardness, Rockwell C of 32 [-] |
| Reduction of area |
20.0 °C |
Reduction of area of 25 % |
| Tensile strength |
20.0 °C |
Tensile strength of 1100 - 1400 MPa |
| - |
500.0 °C |
Tensile strength of 1050 MPa |
| - |
550.0 °C |
Tensile strength of 1030 MPa |
| - |
600.0 °C |
Tensile strength of 1000 MPa |
| - |
650.0 °C |
Tensile strength of 930 MPa |
| - |
700.0 °C |
Tensile strength of 820 MPa |
| - |
750.0 °C |
Tensile strength of 680 MPa |
| - |
800.0 °C |
Tensile strength of 500 MPa |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 725 MPa |
| - |
500.0 °C |
Yield strength Rp0.2 of 700 MPa |
| - |
550.0 °C |
Yield strength Rp0.2 of 650 MPa |
| - |
600.0 °C |
Yield strength Rp0.2 of 650 MPa |
| - |
650.0 °C |
Yield strength Rp0.2 of 600 MPa |
| - |
700.0 °C |
Yield strength Rp0.2 of 600 MPa |
| - |
750.0 °C |
Yield strength Rp0.2 of 500 MPa |
| - |
800.0 °C |
Yield strength Rp0.2 of 450 MPa |
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