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Copper Nickel Alloy CuNi2

Copper Nickel Alloy CuNi2

CuNi2Common Name: (CuNi2,NC5)CuNi2 is a copper-nickel alloy (Cu2Ni98 alloy) with low resistivity for use at temperatures up to 200°C.CuNi2 is typically used for low-temperature applications such as he

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CuNi2

Common Name: (CuNi2,NC5)

CuNi2 is a copper-nickel alloy (Cu2Ni98 alloy) with low resistivity for use at temperatures up to 200°C.

CuNi2 is typically used for low-temperature applications such as heating cables in electric blankets and pillows.

Normal composition%

Nickel

2

Manganese

-

Copper

Bal.




Typical Mechanical properties(1.0mm)

Yield strength

Tensile Strength

Elongation

Mpa

Mpa

%

90

220

25


Typical Physical properties

Density (g/cm3)

8.9

Electrical resistivity at 20℃ (Ωmm2/m)

0.05

Temperature factor of resistivity(20℃~600℃)X10-5/℃

<120

Conductivity coefficient at 20℃ (WmK)

130

EMF vs Cu(μV/℃ )(0~100℃ )

-12



Coefficient of thermal expansion

Temperature

Thermal Expansion x10-6/K

20 ℃- 400℃

17.5


Specific heat capacity

Temperature

20℃

J/gK

0.380


Melting point (℃)

109

Max continuous operating temperature in air (℃)

200

Magnetic properties

non-magnetic

Corrosion resistance performance

Alloys

Working In atmosphere at 20℃

Working at max temperature 200℃

Air and oxygen contain

gases

gases with Nitrogen

gases with sulfur

oxidability

gases with sulfur

reductibility

carburization

CuNi2

good

bad

bad

bad

bad

good

Style of supply

Alloys Name

Type

Dimension

CuNi2W

Wire

D=0.06mm~8mm

CuNi2R

Ribbon

W=0.4~40

T=0.05~2.9mm

CuNi2S

Strip

W=8~200mm

T=0.1~3.0

CuNi2F

Foil

W=6~120mm

T=0.005~0.1

CuNi2B

Bar

Dia=8~100mm

L=50~1000

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