Nke a ọla kọpa-nickel na-eguzogide alloy, nke a makwaara dị ka constantan, bụ nke e ji nguzogide eletrik dị elu jikọtara ya na obere okpomọkụ nke nguzogide. Alloy a na-egosipụtakwa ike dị elu na nguzogide corrosion. Enwere ike iji ya na okpomọkụ ruru 600 Celsius na ikuku.
CuNi44 bụ ọla kọpa-nickel alloy (CuNi alloy) nwereọkara-ala resistivitymaka ojiji na okpomọkụ ruo 400°C (750°F).
A na-ejikarị CuNi44 eme ihe maka ngwa dịka eriri ọkụ, fuses, shunts, resistors na ụdị njikwa dị iche iche.
Ee %
Cu%
Ngwakọta ọnụ
11.0
Bal.
Ogo waya
Mpụta ike
Ike ọdụdọ
Ogologo oge
Ø
Rp0.2
Rm
A
mm (n'ime)
MPa (ksi)
MPa (ksi)
%
1.00 (0.04)
130 (19)
300 (44)
30
Njupụta g/cm3 (lb/in3)
8.9 (0.322)
Nguzogide eletrik na 20°C Ω mm2/m (Ω circ. mil/ft)