Model NO.: CuNi44
Standard: ASTM
Sample: Avaiable
Surface: Bright
Serves: Small Order Accepted
Grade: CuNi19 copper nickel strip
Ni(min): 35
resistance: 1.09
Elongation: 20
Feature: high resistance
width: 0.05mm-200mm
Trademark: TANKII
Transport Package: in Customers′ Requirement
Specification: in customers′ requirement
Origin: China
HS Code: 7409400000
Electric Heating Resistance Constantan Wire for Electric Blanket
Product Indroduction:
Constantan is CuNi40,also named 6J40,it is a resistance alloy which is mainly made up of copper and nickel.
It has the low resistance temperature coefficient,wide working temperature scope(500 below),good machiningproperty,anti-corrosive and easy braze welding.
The alloy is non-magnetic. It is used for electricalregenerator's variable resistor and the strain resistor,
potentiometers, heating wires, heating cables and mats. Ribbons are used for heating of bimetals. Another field of application is manufacturing of thermocouples because it develops a high electromotive force (EMF) in association with others metals.
Material Composition:
Chemical Composition:
| Name | Code | Main Composition% | ||
| Cu | Mn | Ni | ||
| Constantan | 6J40 | Bal. | 1-2 | 39-41 |
Physical Properties:Â
| Name | Code |       Density       (g/mm2) | Max.Working Temp.(°C) |
| Constantan | 6J40 | 8.9 | 500 |
wires:0.018-10mm                   Ribbons:0.05*0.2-2.0*6.0mm
Strips:0.5*5.0-5.0*250mm       Bars:D10-100mmÂ
1.FeCrAl wire strip includes: OCr13Al4,OCr19Al3,OCr21Al4,OCr20Al5,OCr25Al5,OCr21Al6,OCr21Al6Nb,OCr27Al7Mo2.
2.Nickel chrome wire Strip Bar includes: Cr25Ni20,Cr20Ni35,Cr15Ni60,Cr20Ni80.
3.Copper Nickel wire Strip includes:
CuNi1,CuNi2,CuNi5,CuNi8,CuNi10,CuNi14,CuNi19,CuNi23,CuNi30,CuNi34,CuNi44.
4.Constantan wire includes:
6J40,4J42,4J32.
5.Manganin wire:
6J8,6J12,6J13.
Main Advantage and Application Â
It widely used in surtur and sulfide environment and producing industrial electric furnace, household electrical appliance and far infrared ray device.
Low price with high electric resistance, low temperature cofficient of resistance, high working temperature and good corrosion resistance under high temperature especially.
Our company workshop and working machine
Our Services
1)     We can provide a free sample for testing but the freight at yours.
2)     Mill test certificate  will be provided after production, If it is necessary.
3)Â Â Â Â Â Good packing methods to keep goods no damage during delivery
4)Â Â Â Â Â We cooperate with many famous forwarder, will try our best to choose the safty, convenience, quick, and cheap mode of transportation for our customers.
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If you need more detail information, please feel free contact me!
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