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)
|Linear Expansion Coeff. |
(T=20-100 ° C)
|Maximum Operating |
Temperature of Element
|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