Alloy 180 CuNi23 Resistance Strip Copper Nickel Alloy for Current Shunt Resistors

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CuNi23 Resistance Strip Alloy 180 for Shunt Resistor Manufacturing

Product Description

CuNi23 (Alloy 180) resistance alloy strip is a copper-nickel alloy with stable resistance characteristics, low temperature coefficient and excellent formability. It is widely used in precision resistors, shunt resistors, current sensing devices, measuring instruments and electronic components. The alloy offers reliable electrical performance and is suitable for applications requiring accurate and stable resistance values.

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

CuNi23 Resistance Strip Alloy 180 for Shunt Resistor Manufacturing

CuNi23 Resistance Strip Alloy 180 for Shunt Resistor Manufacturing
CuNi23 Resistance Strip Alloy 180 for Shunt Resistor Manufacturing


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