Gold Member Since 2008
Audited Supplier
Shanghai Tankii Alloy Material Co., Ltd.

CuNi6 Wire, Copper Nickel Alloy Wire, Precision Resistance Alloy Wire manufacturer / supplier in China, offering Copper Nickel Alloys Wire Constantan/Konstantan Wire CuNi44/CuNi40/CuNi45 for Shunt, Constant CuNi40 Resistance Alloy Wire/Constantan, Pure Nickel Wire (Nickel 200) and so on.

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Supplier Homepage Product Copper Nickel Alloys CuNi Resistance Alloys Wire Copper Nickel Alloys Wire Constantan/Konstantan Wire CuNi44/CuNi40/CuNi45 for Shunt

Copper Nickel Alloys Wire Constantan/Konstantan Wire CuNi44/CuNi40/CuNi45 for Shunt

Purchase Qty.:
20-49 50-199 200-999 1,000+
FOB Unit Price: US $70 US $40 US $25 US $15
Purchase Qty. (Pieces) FOB Unit Price
20-49 US $70
50-199 US $40
200-999 US $25
1,000+ US $15
Get Latest Price
Port: Shanghai, China
Production Capacity: 500tons/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: CuNi44
  • Conductor Type: Solid
  • Conductor Material: Copper
  • Insulation Material: PVC
  • Range of Application: Electrical and electronic
  • Brand: TankII
  • Sample: Sample Available
  • Resisivity: 0.12milliohm/M
  • Density: 8.9(g/cm3)
  • Transport Package: Packing in Coil Cartons, Pallet, Spools, Coils
  • Origin: China
  • Type: copper alloy
  • Application: Heating
  • Sheath Material: PVC
  • Material Shape: Round Wire
  • Certification: ISO9001, CCC, RoHS
  • Serves: Small Order Accepted
  • Other Name: Nco10
  • Melting Point: 1095
  • Trademark: TANKII
  • Specification: B267
  • HS Code: 74082200
Product Description

As a big manufacturer and exporter in China on the line of electric resistance alloy, we can supply all kinds of electric resistance alloy wire and strips (resistance steel wire and strips),
Material: CuNi1, CuNi2, CuNi6, CuNi8, CuNi14, CuNi19, CuNi23, CuNi30, CuNi34, CuNi44
General Description
Due to has high tensile strength and increased resistivity values, TANKII copper nickel alloy wires are the first choice for applications as resistance wires. with the different nickel amount in this product range, the characteristics of the wire can be chosen according to your requirements. Copper nickel alloy wires are available as bare wire, or enamelled wire with any insulation and self-bonding enamel. Furthermore, litz wire made of enamelled copper nickel alloy wire are available.
1. Higher resistance than copper
2. High tensile strength
3. Good bending proof performance
1. Heating applications
2. Resistance wire
3. Applications with high mechanical requirements
4. Others
Wires: 0.018-10mm Ribbons: 0.05*0.2-2.0*6.0mm
Strips: 0.05*5.0-5.0*250mm Bars: D10-100mm
CharacteristicResistivity ( 200C μ Ω . m)Max. working Temperature ( 0C)Tensile Strength (Mpa)Melting point (0C)Density ( g/cm3)TCR x10-6/ 0C (20~600 0C)EMF vs Cu (μ V/ 0C) (0~100 0C)
Alloy Nomenclature
NC003 (CuNi1)0.1200≥ 25010958.9< 100-12
Physical PropertiesMetricComments
Density 8.94 g/cc 
Mechanical PropertiesMetricComments
Tensile Strength, Ultimate 262 - 531 MPa 
Tensile Strength, Yield 276 - 524 MPaDepending on temper
Elongation at Break 46.0 %in 50.8 mm.
Modulus of Elasticity 115 GPa 
Poissons Ratio 0.310Calculated
Machinability 20 %UNS C36000 (free-cutting brass) = 100%
Shear Modulus 44.0 GPa 
Electrical PropertiesMetricComments
Electrical Resistivity 0.0000120 ohm-cm
@Temperature 20.0 ° C
Thermal PropertiesMetricComments
CTE, linear 17.5 µ m/m-° C
@Temperature 20.0 - 300 ° C
Specific Heat Capacity 0.380 J/g-° C 
Thermal Conductivity 64.0 W/m-K
@Temperature 20.0 ° C
Melting Point < = 1125 ° CLiquidus
Liquidus 1125 ° C 
Processing PropertiesMetricComments
Annealing Temperature 565 - 815 ° C 
Hot-Working Temperature 815 - 950 ° C 
Component Elements PropertiesMetricComments
Copper, Cu > = 91.2 % 
Iron, Fe 1.30 - 1.70 % 
Lead, Pb < = 0.050 % 
Manganese, Mn 0.30 - 0.80 % 
Nickel, Ni 4.80 - 6.20 % 
Zinc, Zn < = 1.0 % 

CuNi44 Chemical Content, %

NiMnFeSiCuOtherROHS Directive
Mechanical Properties
Max Continuous Service Temp400ºC
Resisivity at 20ºC0.49±5%ohm mm2/m
Density8.9 g/cm3
Thermal Conductivity-6(Max)
Melting Point1280ºC
Tensile Strength,N/mm2   Annealed,Soft340~535 Mpa
Tensile Strength,N/mm3   Cold Rolled680~1070 Mpa
Elongation(cold rolled)≥Min)2%(Min)
EMF vs Cu, μV/ºC (0~100ºC)-43
Micrographic Structure austenite
Magnetic PropertyNon

Application of Constantan
Constantan is a copper-nickel alloy that contains specific minor amounts of additional
elements to achieve precise values for the temperature coefficient of resistivity. Careful
control of melting and conversion practices results in a very low level of pinholes at
ultra-thin thicknesses. The alloy is used extensively for foil resistors and strain gauges.

Copper Nickel Alloys Wire Constantan/Konstantan Wire CuNi44/CuNi40/CuNi45 for ShuntCopper Nickel Alloys Wire Constantan/Konstantan Wire CuNi44/CuNi40/CuNi45 for Shunt

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