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Copper Nickel Alloy CuNi30

Copper Nickel Alloy CuNi30

CuNi30(Common Name:CuNi30,NC35.Cu70Ni30)CuNi30 is a copper-nickel alloy (Cu70Ni30 alloy) with low resistivity for use at temperatures up to 350°C.CuNi30 is kind of low resistance heating alloy.It is o

Hangzhou Ualloy Material Co.,Ltd is one of the best copper nickel alloy cuni30 manufacturers and suppliers in China, welcome to buy discount and low price nc35,, cu70ni30 from us, and also welcome to check the price and quotation with our factory.

CuNi30

(Common Name:CuNi30,NC35.Cu70Ni30)

CuNi30 is a copper-nickel alloy (Cu70Ni30 alloy) with low resistivity for use at temperatures up to 350°C.

CuNi30 is kind of low resistance heating alloy.It is one of the key materials of the low-voltage electrical products. It is widely used in low-voltage circuit breaker, electric blankets.thermal overload relay, and other low-voltage electrical product.

CuNi30  is typically used for low-temperature applications such as heating cables.

Normal composition%

Nickel

30

Manganese

0.5

Copper

Bal.




Typical Mechanical properties(1.0mm)

Yield strength

Tensile Strength

Elongation

Mpa

Mpa

%

200

400

25


Typical Physical properties

Density (g/cm3)

8.9

Electrical resistivity at 20℃ (Ωmm2/m)

0.35

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

<10

Conductivity coefficient at 20℃ (WmK)

27

EMF vs Cu(μV/℃ )(0~100℃ )

-37



Coefficient of thermal expansion

Temperature

Thermal Expansion x10-6/K

20 ℃- 400℃

17


Specific heat capacity

Temperature

20℃

J/gK

0.390


Melting point (℃)

1170

Max continuous operating temperature in air (℃)

350

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

CuNi30

good

good

good

good

bad

good

Style of supply

Alloys Name

Type

Dimension

CuNi30W

Wire

D=0.06mm~8mm

CuNi30R

Ribbon

W=0.4~40

T=0.05~2.9mm

CuNi30S

Strip

W=8~200mm

T=0.1~3.0

CuNi30F

Foil

W=6~120mm

T=0.005~0.1

CuNi30B

Bar

Dia=8~100mm

L=50~1000

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