Copper Nickel 23 (CuNi23) - 0.3mm (300 Micron - 29 AWG) - 4.37 ohms/m

Copper Nickel 23 (CuNi23) - 0.3mm (300 Micron - 29 AWG) - 4.37 ohms/m

If you need help figuring out what you need to achieve a certain resistance, please see this helpful calculator:


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- Produced, Packed and Dispatched From Our Factory In Warrington, UK (WA1 2WW)

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About The Wire:

This is a soft wire. It has a high resistance to heat and is used in many industrial applications.

It is extremely easy to cut.

These coils are an ideal size and are designed to suit every pocket. The 1kg spools are fairly bulky and would need a courier delivery.

Please contact us directly if you require a larger length of this wire or wholesale details (

Common Application(s):

Dimensions of Wire:

Diameter - 0.3mm (300 Micron - 29 AWG)

Length - Various

Weight - Various

Spool Type - Various

Technical Specification:

OHMS/M - 4.37 ohms/m

Copper Nickel 23 or CuNi23Mn is a copper nickel alloy with the addition of Manganese to produce an alloy with a relatively low resistivity but high resistance to oxidation and chemical corrosion. Maximum working temperature is 500 °C. Applications include heating cords and mats.

Technical Details:

- Metal Composition - 23% Nickel & 77% Copper
-NC030 (CuNi23)
-Resistivity( 200C µO.m) - 0.30
-Max.working temperature( 0C ) - 300
-Tensile strength( Mpa ) - 350
-Melting point( 0C ) - 1150
-Density( g/cm3 ) - 8.9
-TCR x10-6 / 0C (20~600 0C) - <16
-EMF vs Cu(µV/ 0C) (0~100 0C) - -34


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