EN 10269 Grade NiCr20TiAl solution heat-treated and precipitation hardened (+AT+P)

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Description

NiCr20TiAl as a aviation material, material number 2.4631, is contained in `Werkstoff-Leistungsblättern der Deutschen Luftfahrt WL` (material data sheets) 2.4631, part 1 and 2 as well as part 100, issues 08.93. This material shows high creep strength up to 850 °C and very good scaling resistance. The nickel-chromium-alloy is hardenable due to the addition of aluminium and titanium. Its corrosion resistance is similar to NiCr20Ti. Application for maximum loaded components, such as gas turbine blades, discs, shafts, pre-combustion chambers in diesel engines, valves, hot working tools, sledge hammer, die blocks, pressing tools, shearing blades, screws and nuts. Processing properties: formability: well (annealed) weldability: possible, but unusual

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.2 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

216 GPa

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100.0 °C

212 GPa

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200.0 °C

208 GPa

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300.0 °C

202 GPa

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400.0 °C

196 GPa

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500.0 °C

189 GPa

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600.0 °C

179 GPa

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700.0 °C

161 GPa

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800.0 °C

130 GPa

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Elongation

20.0 °C

12 %

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Reduction of area

20.0 °C

12 %

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Tensile strength

20.0 °C

1000 - 1300 MPa

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50.0 °C

1000 - 1070 MPa

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100.0 °C

975 - 1044 MPa

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150.0 °C

950 - 1017 MPa

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200.0 °C

900 - 990 MPa

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250.0 °C

900 - 966 MPa

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300.0 °C

900 - 942 MPa

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350.0 °C

900 - 932 MPa

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400.0 °C

900 - 922 MPa

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450.0 °C

900 - 903 MPa

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500.0 °C

590 - 883 MPa

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550.0 °C

859 - 880 MPa

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600.0 °C

834 - 850 MPa

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Yield strength Rp0.2

20.0 °C

600 MPa

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50.0 °C

595 MPa

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100.0 °C

586 MPa

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150.0 °C

577 MPa

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200.0 °C

568 MPa

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250.0 °C

564 MPa

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300.0 °C

560 MPa

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350.0 °C

550 MPa

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400.0 °C

540 MPa

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450.0 °C

530 MPa

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500.0 °C

520 MPa

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550.0 °C

510 MPa

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600.0 °C

500 MPa

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650.0 °C

480 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.29E-5 1/K

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200.0 °C

1.34E-5 1/K

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300.0 °C

1.38E-5 1/K

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400.0 °C

1.43E-5 1/K

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500.0 °C

1.47E-5 1/K

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600.0 °C

1.52E-5 1/K

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Max service temperature, long

0 - 1000 °C

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Melting point

1400 °C

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Typical for Nickel Chromium Alloy

Specific heat capacity

20.0 °C

460 J/(kg·K)

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Thermal conductivity

20.0 °C

11.4 - 13 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.24E-6 Ω·m

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Chemical properties

PropertyValue

Aluminium

1 - 1.8 %

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Boron

8E-3 %

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Carbon

0.04 - 0.1 %

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Chromium

18 - 21 %

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Cobalt

1 %

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Copper

0.2 %

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Iron

1.5 %

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Manganese

1 %

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Nickel

65 %

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Phosphorus

0.02 %

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Silicon

1 %

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Sulfur

0.015 %

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Titanium

1.8 - 2.7 %

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