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Home > Products > CuNi Alloy > Constantan Resistance Wire Copper Wire (CuNi1--CuNi44)

Constantan Resistance Wire Copper Wire (CuNi1--CuNi44)

Basic Info

Model No.:  CuNi1--CuNi44

Product Description

Model NO.: CuNi1--CuNi44 Material: Cuni Quantity: Customized Conductor Material: Copper Certificate: RoHS,ISO9001,SGS Trademark: Yunlai Product Type: Wire Carbon Content: Low Carbon Application: Resistor and Heating System Conductor Type: Solid material: Copper Nickel Alloy Origin: China Constantan (CuNi 44 Alloy): A Copper-Nickel Alloy. High specific Resistance Alloy used in wire-wound precision resistors, potentiometers, volume control devices, winding heavy-duty industrial rheostats and electric motor resistances.

Also used as Thermocouple Alloy with Copper (Type T), Iron (Type J), and Ni-Cr (Type E). It is available with grade wires and extension wires.
Constantan (CuNi 44 Alloy) is supplied in the following conditions:

Cold Drawn, Special Temper.
Cold Drawn, Annealed.
Straightened and Cut Lengths.
Specific Resistance
(µ Ω -cm)
(g/cm³ )
Linear Expansion Coeff.
(T=20-100 ° C)
Maximum Operating
Temperature of Element
(° C)
Temperature Coeff of
resistance (/° C)
Temp range 20-100° C
49 8.9 14 600 + 20/ + 60

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Product Categories : CuNi Alloy