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Cupronickel CuNi44 copper-nickel alloy resistance wire with medium-low resistivity Featured Image
  • Cupronickel CuNi44 copper-nickel alloy resistance wire with medium-low resistivity
  • Cupronickel CuNi44 copper-nickel alloy resistance wire with medium-low resistivity

Cupronickel CuNi44 copper-nickel alloy resistance wire with medium-low resistivity

Short Description:

CuNi44 (UNS C72150 / W.Nr. 2.0842)

PHYSICAL PROPERTIES
Density 8,9 g/cm³
Melting point 1230 - 1290 °C


  • Certificate: ISO 9001
  • Size: Customized
  • Shape: Wire
  • THICKNESS : CUSTOMIZED
  • Model: CuNi44

    • Product Detail

    FAQ

    Product Tags

    This copper-nickel resistance alloy, also known as constantan, is characterized by a high electrical resistance coupled with a fairly small temperature coefficient of the resistance. This alloy also shows high tensile strength and resistance towards corrosion. It can be used at temperatures of up to 600°C in air.

    CuNi44 is a copper-nickel alloy (CuNi alloy) with medium-low resistivity for use at temperatures up to 400°C (750°F).

    CuNi44 is typically used for applications such as heating cables, fuses, shunts, resistors and various types of controllers.

    Ni % Cu %
    Nominal composition 11.0 Bal.

    Wire size Yield strength Tensile strength Elongation
    Ø Rp0.2 Rm A
    mm (in) MPa (ksi) MPa (ksi) %
    1.00 (0.04) 130 (19) 300 (44) 30

    Density g/cm3 (lb/in3) 8.9 (0.322)
    Electrical resistivity at 20°C Ω mm2/m (Ω circ. mil/ft) 0.15 (90.2)
    Temperature °C 20 100 200 300 400
    Temperature °F 68 212 392 572 752
    TEMPERATURE FACTOR OF RESISTIVITY
    Ct 1.00 1.035 1.07 1.11 1.15
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