Copper Nickel Wire CuNi44 for Precision Resistors

Olivia
By:Olivia - June 5, 2026
Discover the exceptional properties of Copper Nickel Wire CuNi44, ideal for precision resistors. With a moderate resistivity and a low temperature coefficient, this constantan wire offers a flat resistance-temperature curve that outperforms traditional manganins over a wider range. Renowned for its corrosion resistance, it's perfect for AC circuits and heat treating applications, notably as the negative element in type J and T thermocouples.

Our Copper Nickel Wire is engineered for maximum performance, featuring a tensile strength that varies from 340 to 1070 MPa, ensuring durability and reliability. With a melting point of 1280ºC and a maximum continuous service temperature of 400ºC, this material stands as the backbone for numerous industrial applications. Trust in our high-quality production processes, backed by a dedicated technical support team, to meet your specifications and enhance your projects efficiently.
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