CuNi44/Constantan Wire Copper Nickel Alloy Wire

Product Description

CuNi44/Constantan Wire Copper Nickel Alloy Wire  

 

 

1 Introduction 

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.

 2 Products and services

 1. CE and ROHS cerfication;

2. Small orders are accepted;

3. Factory direct sale;

4. Timely delivery;

5. Samples are available;

3 Features 

1. Good resistance to corrosion;
2. Good malleability performance;
3. Good heating resistance;
4. Easy to be processed and lead welded; 
5. Constant resistivity over a wide range of temperatures;
6. constantan is characterized by good fatigue life and relatively high elongation capability .

4 Applications

It is suilable for electrical resistors, potentiometers, heating wires, heating cables and underground heating mesh; braiding and shielding in flexible coaxial cable and communication cable, a variety of audio and video cable, vehicle signal cable, network cable, data transmission cables ang so on. 

5 Size

Wire: 0.018mm-10mm
Ribbon: 0.05*0.2mm-2.0*6.0mm
Strip: 0.5*5.0mm-5.0*250mm
Bar: 10-100mm

6 When you inquiry, pls specify the details

1. Material and model of wire
2. Diameter, if strip, thickness and width;
3. Quantity;
4. Special requirement if you have.

Chemical Composition and Main Property of Cu-Ni Low Resistance Alloy
Properties\Grade		CuNi1	CuNi2	CuNi6	CuNi8	CuMn3	CuNi10
Main Chemical Composition	Ni	1	2	6	8	_	10
	Mn	_	_	_	_	3	_
	Cu	Bal	Bal	Bal	Bal	Bal	Bal
Max Continuous Service Temperature(ºC)		200	200	200	250	200	250
Resisivity at 20ºC (Ω*mm²/m)		0.03	0.05	0.1	0.12	0.12	0.15
Density(g/cm³)		8.9	8.9	8.9	8.9	8.8	8.9
Thermal Conductivity(α×10-6ºC)		<100	<120	<60	<57	<38	<50
Tensile Strength(Mpa)		≥210	≥220	≥250	≥270	≥290	≥290
EMF vs Cu(μVºC)(0~1000ºC)		-8	-12	-12	-22	_	-25
Approximate Melting Point(ºC)		1085	1090	1095	1097	1050	1100
Micrographic Structure		austenite	austenite	austenite	austenite	austenite	austenite
Magnetic Property		non	non	non	non	non	non
Properties\Grade		CuNi14	CuNi19	CuNi23	CuNi30	CuNi34	CuNi44
Main Chemical Composition	Ni	14	19	23	30	34	44
	Mn	0.3	0.5	0.5	1	1	1
	Cu	Bal	Bal	Bal	Bal	Bal	Bal
Max Continuous Service TemperatureºC)		300	300	300	350	350	400
Resisivity at 20ºC (Ω*mm²/m)		0.2	0.25	0.3	0.35	0.4	0.49
Density(g/cm³)		8.9	8.9	8.9	8.9	8.9	8.9
Thermal Conductivity(α×10-6ºC)		<30	<25	<16	<10	<0	<-6
Tensile Strength(Mpa)		≥310	≥340	≥350	≥400	≥400	≥420
EMF vs Cu(μVºC)(0~1000ºC)		-28	-32	-34	-37	-39	-43
Approximate Melting Point(ºC)		1115	1135	1150	1170	1180	1280
Micrographic Structure		austenite	austenite	austenite	austenite	austenite	austenite
Magnetic Property		non	non	non	non	non	non

OTHER  Chemical Composition And Main Properties Of FeCrAl

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.