Shanghai, China
Management System Certification:
ISO 9001
OEM/ODM Service
Sample Available
Russian Speaker

Constantan Wire, CuNi44 Wire, Resistance Wire manufacturer / supplier in China, offering Copper Nickel Alloy Wire (Constantan foil/strip), NiCr Nickel Chromium Alloy / Nichrome Wire for Radiant tube, Nichrome heating Wire (NiCr 80/20) for radiant tube and so on.

Gold Member Since 2008
Audited Supplier

Copper Nickel Alloy Wire (Constantan foil/strip)

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Purchase Qty. / Reference FOB Price
10-99 kg US $40
100-499 kg US $35
500+ kg US $32
Port: Shanghai, China
Production Capacity: 2000 Tons/Year
Payment Terms: L/C, T/T, Western Union, Paypal
Type: Bare
Conductor Type: Solid
Application: Heating
Conductor Material: CuNi Alloy
Insulation Material: Bare
Material Shape: Round Wire

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Basic Info

Model NO.: Constantan
Range of Application: Cold-Resistant
Certification: ISO9001, RoHS
Tensile Strength: 350 MPa
Size: 0.01-3mm
surface: bright
Trademark: TANKII
Transport Package: Spool, Paper Carton, Plywood Box
Specification: RoHS, ISO 9001: 2008
Origin: China
HS Code: 7408220000

Product Description

Copper Nickel Alloy Wire (Constantan foil/strip)
Copper Nickel Alloy Wire (Constantan Resistance Wire)
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
Material: Constantan, CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi14, CuNi19, CuNi23, CuNi30, CuNi34, CuNi40, CuNi44.

CuNi heating wire/cable widely used in manufacture of soil heating system, floor heating wire, pipe heating system etc

Dimension AvailableWire: 0.018-10mm Ribbons: 0.05*0.2-2.0*6.0mm
Strip: 0.005*5.0-5.0*250mm
Bars: OD 4-100mm

General Description
CuNi alloy is a copper-nickel alloy (CuNi alloy) with medium resistivity for medium-low temperature resistances. The alloy is suitable for use at temperatures up to 400° C (750° F)

CuNi alloy wire is very malleable and has a good resistance to corrosion until temperatures of 400° C. Ideal applications areas are all types of resistances used at low temperature.

CuNi alloy wireis typically used in heating cables, fuses, resistors and various types of controllers.
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 weiding wire),

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