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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 20ºC (ohm*mm2/m) |
0.05 |
|
Temperature factor of resistivity(20ºC~600ºC)X10-5/ºC |
<120 |
|
Conductivity coefficient at 20ºC (WmK) |
130 |
|
EMF vs Cu(μV/ºC )(0~100ºC ) |
-12 |
|
Coefficient of thermal expansion |
|
|
Temperature |
Thermal Expansion x10-6/K |
|
20 ºC- 400ºC |
17.5 |
|
Specific heat capacity |
|
|
Temperature |
20ºC |
|
J/gK |
0.380 |
|
Melting point (ºC) |
109 |
|
Max continuous operating temperature in air (ºC) |
200 |
|
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 |
|||
|
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 |
|