Model NO.: CuNi30
Origin: Hangzhou, China
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 Â is typically used for low-temperature applications such as heating cables.
Normal composition%Â
Nickel |
30 |
Manganese |
0.5 |
Copper |
Bal. |
 |
 |
Â
Typical Mechanical properties(1.0mm)Â
Yield strength |
Tensile Strength |
Elongation |
Mpa |
Mpa |
% |
200 |
400 |
25 |
Â
Typical Physical propertiesÂ
Density (g/cm3) |
8.9 |
Electrical resistivity at 20ºC (ohm*mm2/m) |
0.35 |
Temperature factor of resistivity(20ºC~600ºC)X10-5/ºC |
<10 |
Conductivity coefficient at 20ºC (WmK) |
27 |
EMF vs Cu(μV/ºC )(0~100ºC ) |
-37 |
Â
Â
Coefficient of thermal expansion |
Temperature |
Thermal Expansion x10-6/K |
20 ºC- 400ºC |
17 |
Â
Specific heat capacity |
Temperature |
20ºC |
J/gK |
0.390 |
Â
Melting point (ºC) |
1170 |
Max continuous operating temperature in air (ºC) |
350 |
Magnetic properties |
non-magnetic |
Corrosion resistance performance
Alloys |
Working In atmosphere at 20ºC |
Working at max temperature 200ºC |
 |
|
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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