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DIN 17744 NiCo20Cr20MoTi Precipitation Hardened Alloy – High-Temperature Resistance & Excellent Weldability

High-temperature resistant nickel alloy, sheet and strip, forgings and bars - hardenable - high-temperature resistant - resistant to scaling - well cold formable - well weldable - badly splinterable Application: - Combustion chambers - Turbine cases

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.36 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

222 GPa

100.0 °C

218 GPa

200.0 °C

212 GPa

300.0 °C

206 GPa

400.0 °C

199 GPa

500.0 °C

192 GPa

600.0 °C

184 GPa

700.0 °C

176 GPa

800.0 °C

165 GPa

900.0 °C

159 GPa

1000.0 °C

143 GPa

Elongation

20.0 °C

35 %

Elongation A50, transverse

20.0 °C

30 %

Reduction of area

20.0 °C

40 %

Tensile strength

20.0 °C

1000 MPa

Tensile strength, transverse

20.0 °C

970 MPa

Yield strength Rp0.2

20.0 °C

590 MPa

100.0 °C

520 MPa

200.0 °C

490 MPa

300.0 °C

480 MPa

400.0 °C

480 MPa

500.0 °C

480 MPa

600.0 °C

470 MPa

700.0 °C

460 MPa

800.0 °C

410 MPa

900.0 °C

190 MPa

1000.0 °C

80 MPa

Yield strength Rp0.2, transverse

20.0 °C

570 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.07E-5 1/K

200.0 °C

1.2E-5 1/K

300.0 °C

1.25E-5 1/K

400.0 °C

1.3E-5 1/K

500.0 °C

1.35E-5 1/K

600.0 °C

1.41E-5 1/K

700.0 °C

1.49E-5 1/K

800.0 °C

1.59E-5 1/K

900.0 °C

1.72E-5 1/K

1000.0 °C

1.82E-5 1/K

Max service temperature, long

0 - 900 °C

Specific heat capacity

23.0 °C

285 - 545 J/(kg·K)

Typical for Nickel Chromium Cobalt Alloy

Thermal conductivity

20.0 °C

12 W/(m·K)

100.0 °C

13 W/(m·K)

200.0 °C

15 W/(m·K)

300.0 °C

17 W/(m·K)

400.0 °C

18 W/(m·K)

500.0 °C

20 W/(m·K)

600.0 °C

22 W/(m·K)

700.0 °C

24 W/(m·K)

800.0 °C

25 W/(m·K)

900.0 °C

27 W/(m·K)

1000.0 °C

29 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

870000 S/m

Chemical properties

PropertyValue

Aluminium

0.3 - 0.6 %

Boron

5E-3 %

Carbon

0.04 - 0.08 %

Chromium

19 - 21 %

Cobalt

19 - 21 %

Copper

0.2 %

Iron

0.7 %

Manganese

0.6 %

Molybdenum

5.6 - 6.1 %

Nickel

47.11 - 53.66 %

Silicon

0.4 %

Sulfur

7E-3 %

Titanium

1.9 - 2.4 %


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