Low Resistance Constantan Copper Nickel Alloy / CuNi 44 Wire

Constantan Wire Definition

Resistance alloy with moderate resistivity and low temperature coefficent of resistance with a flat resistance/temperature curve over a wider range than the "manganins". CuNi44 Alloy wire also shows better corrosion resistance than the man ganins. Uses tend to be restricted to ac circuits. CuNi44/ CuNi40 /CuNi45 Constantan Copper Nickel Alloy Wire is also the negative element of the type J thermocouple with Iron being the positive; type J thermocouples are used in heat treating applications. Also, it is the negative element of the type T thermocouple with OFHC Copper the positive; type T thermocouples are used at cryogenic temperatures.

Grade: CuNi44,it is also called Cuprothal, Alloy 294, Cuprothal 294, Nico, MWS-294, Cupron, Copel, Alloy 45,

Neutrology, Advance, CuNi 102, Cu-Ni 44, Constantan

Chemical Content(%)

Mechanical Properties

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.

OTHER Chemical Composition  

1. What's the minimum quantity customer can order?
If we have your size in stock, we can provide any quantity you want.
If we do not have, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.

2. How can you pay for small sample amount?
We have Western union account, wire transfer for sample amount also ok.

3. Customer do not have express account. How will us arrange the delivery for sample order?
Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.

4. What's our payment terms?
We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.

5. Do you provide free samples?
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.

6. What's our working time?
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays. Pls contact with me whenever you need: Mobile: +86-18017457857