Copper Nickel Alloy Constantan CuNi44 0.25mm Wire for Sampling Resistor
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| Customization: | Available |
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| Grade: | CuNi2, CuNi23, CuNi44 |
| Wire: | 0.018-10mm |
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Basic Info.
- Ribbon
- 0.05*0.2-2.0*6.0mm
- Strip
- 0.05*5.0-5.0*250mm
- Product Type
- Wire
- Material
- Cu Ni Mn
- Carbon Content
- No
- Transport Package
- Coil, Carton
- Specification
- CE, RoHS
- Trademark
- TANKII
- Origin
- Shanghai, China
- HS Code
- 7408290000
- Production Capacity
- 2000 Tons/Year
Product Description
Constantan Wire for Sampling Resistor is a copper-nickel alloy usually consisting of 55% Copper and 45% Nickel. Its main feature is its resistance which is constant over a wide range of temperatures. It is also called Alloy 294, Nico, MWS-294, Cupron, Copel, Alloy 45, Neutrology, Advance, CuNi 44, CuNi 44, CN49.
Chemical Content(%)
|
Mn |
Ni |
Cu |
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1.0 |
44 |
Bal. |
Mechanical Properties
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Max Continuous Service Temp |
400 ºC |
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Resistivity at 20ºC |
0.49 ± 5% ohm*mm2/m |
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Density |
8.9 g/cm3 |
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Temperature Coefficient of Resistance |
< -6 ×10-6/ºC |
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EMF VS Cu (0~100ºC) |
-43 μV/ºC |
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Melting Point |
1280 ºC |
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Tensile Strength |
Min 420 Mpa |
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Elongation |
Min 25% |
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Micrographic Structure |
Austenite |
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Magnetic Property |
Non. |
Regular size:
We supply products in the shape of wire,flat wire,strip.We can also make customized material according to useris requests.
Bright and white wire--0..03mm~3mm
Oxidized wire:0.6mm~10mm
Flat wire:thickness 0.05mm~1.0mm,width 0.5mm~5.0mm
Strip:0.05mm~4.0mm,width 0.5mm~200mm
Product features:
Nice corrosion resistance, good malleability and solderability.The special low resistance can be used in many heater and resistor fields.
Application:
It could be used to make electric heating element in low-voltage apparatus, such as thermal overload relay, low-voltage circuit breaker, and so on.And used in heat exchanger or condenser tubes in evaporators of desalination plants, process industry plants, air cooling zones of thermal power plants, high-pressure feed water heaters, and sea water piping in ships.
sometimes cupro-nickels, there exists a range of different cooper nickel alloys that possess different properties and hence are suited to a range of different applications.
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