Products

Constantan Strip (CuNi44Mn) Copper Nickel Electric Resistance Heating Ribbon

China Constantan Strip (CuNi44Mn) Copper Nickel Electric Resistance Heating Ribbon, Find details about China CuNi 44 Strip, Copper Nickel Alloy Strip from Constantan Strip (CuNi44Mn) Copper Nickel Electric Resistance Heating Ribbon

Model NO.
Constantan Strip
Standard
GB/T
Magnetic Property
None
Condition
Soft 1/4h 1/2h H
Resistivity
0.49±5%Ohm mm2/M
Density(g/cm3)
8.9
Ultimate Strength (≥ MPa)
≥410
Conductor Type
Solid
Ni%
44
Elongation
25%(Min)
Size
0.05*5.0-5.0*250mm 
Max Continuous Service Temp
400ºC
Trademark
Allotech
Transport Package
Carton Box
Specification
Base on customers′ request
Origin
China
HS Code
7409400000
Model NO.
Constantan Strip
Standard
GB/T
Magnetic Property
None
Condition
Soft 1/4h 1/2h H
Resistivity
0.49±5%Ohm mm2/M
Density(g/cm3)
8.9
Ultimate Strength (≥ MPa)
≥410
Conductor Type
Solid
Ni%
44
Elongation
25%(Min)
Size
0.05*5.0-5.0*250mm 
Max Continuous Service Temp
400ºC
Trademark
Allotech
Transport Package
Carton Box
Specification
Base on customers′ request
Origin
China
HS Code
7409400000

CuNi44, also called Constantan, has a very low temperature coefficient, high electrical resistance, high ductility and non-corroding properties. It is suitable for use at temperatures up to 600° C (1110° F). As a very malleable, very ductile alloy, it has a very good resistance to oxidation.

The alloy is non-magnetic. It is suitable for electrical resistors, 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.

Copper nickel alloy series:Constantan CuNi40 (6J40), CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi14, CuNi19, CuNi23,CuNi30, CuNi34, CuNi44.

Size dimension range:
Wire: 0.1-10mm
Ribbons: 0.05*0.2-2.0*6.0mm 
Strip: 0.05*5.0-5.0*250mm 

Main grades and properties 

TypeElectrical resistivity
(20degreeΩ
mm²/m)		temperature coefficient of resistance
(10^6/degree)		Dens
ity
g/mm²		Max. temperature
(°c)		Melting point
(°c)
CuNi10.03<10008.9/1085
CuNi20.05<12008.9 
200		1090
CuNi60.10<6008.92201095
CuNi80.12<5708.92501097
CuNi100.15<5008.92501100
CuNi140.20<3808.93001115
CuNi190.25<2508.93001135
CuNi230.30<1608.93001150
CuNi300.35<1008.93501170
CuNi340.40-08.93501180
CuNi400.48±408.94001280
CuNi440.49<-68.94001280

Mechanical Properties


Max Continuous Service Temp
400ºC

Resisivity at 20ºC
0.49±5%ohm mm2/m

Density
8.9 g/cm3

Thermal Conductivity
-6(Max)

Melting Point
1280ºC

Tensile Strength,N/mm2   Annealed,Soft
340~535 Mpa

Tensile Strength,N/mm3   Cold Rolled
680~1070 Mpa

Elongation(anneal)
25%(Min)

Elongation(cold rolled)
≥Min)2%(Min)

EMF vs Cu, μV/ºC (0~100ºC)
-43

Micrographic Structure
austenite

Magnetic Property
Non
 

Constantan Strip (CuNi44Mn) Copper Nickel Electric Resistance Heating Ribbon

You Might Also Like