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copper nickel alloy/ CuNi23 (NC030)

Short Description:

Product Description
CuNi23Mn low resistance heating alloy is widely used in low-voltage circuit breaker, thermal overload relay, and other low-voltage electrical product. It is one of the key materials of the low-voltage electrical products. The materials produced by our company have the characteristics of good resistance consistency and superior stability. We can supply all kinds of round wire, flat and sheet materials.


  • Certificate: ISO 9001
  • Size: Customized
  • color: Brown
  • Density: 8.9(g/cm3)
  • Sample: Small Order Accepted
  • surface: Bright
  • product name : CuNi23
  • treatment : polishing
  • size: as request
  • service : online support
  • MOQ: 20KG
  • Product Detail

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    Product Tags

    Cuni23 (NC030) Strip/Foil/ Low Resistance Cuni Alloy
    Product Description
    CuNi23Mn low resistance heating alloy is widely used in low-voltage circuit breaker, thermal overload relay, and other low-voltage electrical product. It is one of the key materials of the low-voltage electrical products. The materials produced by our company have the characteristics of good resistance consistency and superior stability. We can supply all kinds of round wire, flat and sheet materials.
    Chemical Content, %

    Ni Mn Fe Si Cu Other ROHS Directive
    Cd Pb Hg Cr
    23 0.5 - - Bal - ND ND ND ND

    Mechanical Properties

    Max Continuous Service Temp 250ºC
    Resisivity at 20ºC 0.35%ohm mm2/m
    Density 8.9 g/cm3
    Thermal Conductivity 16(Max)
    Melting Point 115ºC
    Tensile Strength,N/mm2   Annealed,Soft 270~420 Mpa
    Tensile Strength,N/mm2   Cold Rolled 350~840 Mpa
    Elongation(anneal) 25% (Max)
    Elongation(cold rolled) 2% (Max)
    EMF vs Cu, μV/ºC (0~100ºC) -25
    Micrographic Structure austenite
    Magnetic Property Non

    CuNi23Mn Tradenames:
    Alloy 180, CuNi 180, 180 Alloy, MWS-180, Cuprothal 180, Midohm, HAI-180, Cu-Ni 23, Alloy 380, Nickel alloy 180
     
    Resistance Alloy 180 – CuNi23Mn Sizes / Temper Capabilities
    Condition: Bright, Annealed, Soft 
    Wire diameter 0.02mm-1.0mm packing in spool, big than 1.0mm packing in coil
    Rod, Bar diameter 1mm-30mm 
    Strip: Thickness 0.01mm-7mm, Width 1mm-280mm 
    Enameled condition is available


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