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DIN 17743 NiCu30Al: High-Temperature, Creep-Resistant Alloy for Corrosion-Resistant Applications

The creep-resistant Ni-Cu-wrought alloy NiCu30Al (K-Monel) is used in form of bars and forged pieces for high corrosion resistant and highest strength parts up to 450°C.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.46 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

178.54 GPa

100.0 °C

174.62 GPa

200.0 °C

170.69 GPa

300.0 °C

165.79 GPa

400.0 °C

159.9 GPa

500.0 °C

153.04 GPa

Elongation

-80.0 °C

18 %

20.0 °C

17 - 23 %

100.0 °C

23 %

200.0 °C

23 %

300.0 °C

23 %

400.0 °C

12 %

500.0 °C

4.5 %

600.0 °C

1.5 %

700.0 °C

3.5 %

Hardness, Brinell

20.0 °C

265 [-]

Tensile strength

-80.0 °C

1177 MPa

20.0 °C

962 - 1079 MPa

100.0 °C

1030 MPa

200.0 °C

1020 MPa

300.0 °C

1010 MPa

400.0 °C

903 MPa

500.0 °C

726 MPa

600.0 °C

589 MPa

700.0 °C

461 MPa

Yield strength Rp0.2

-80.0 °C

785 MPa

20.0 °C

687 - 755 MPa

100.0 °C

736 MPa

200.0 °C

716 MPa

300.0 °C

716 MPa

400.0 °C

716 MPa

500.0 °C

677 MPa

600.0 °C

579 MPa

700.0 °C

441 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.4E-5 1/K

300.0 °C

1.5E-5 1/K

600.0 °C

1.6E-5 1/K

Max service temperature, long

0 - 450 °C

Melting point

1170 - 1365 °C

Typical for Nickel Copper Alloy

Specific heat capacity

20.0 °C

427 J/(kg·K)

100.0 °C

427 J/(kg·K)

Thermal conductivity

20.0 °C

18 W/(m·K)

100.0 °C

18 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

1.72E+6 S/m

Electrical resistivity

20.0 °C

5.47E-7 Ω·m

Chemical properties

PropertyValue

Aluminium

2 - 4 %

Carbon

0.25 %

Cobalt

1 %

Copper

27 - 34 %

Iron

2 %

Manganese

1.5 %

Silicon

1 %

Sulfur

0.01 %

Titanium

0.25 - 1 %


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