45/55 Ni Cu Resistance Wire

A Nickel-Copper alloy wire used mainly for its medium range electrical resistivity and very low temperature-coefficient of resistance.

45/55 Ni Cu Resistance Wire is also known as Constantan, Hecnum, Eureka, Ferry, Vernicon and Advance.

W.Nr. 2.0842
AWS 081
Power resistors, shunts, thermocouples and wire-wound precision resistors having operating temperatures up to 400 °C (750 °F).
Specifications
W.Nr. 2.0842
AWS 081
Power resistors, shunts, thermocouples and wire-wound precision resistors having operating temperatures up to 400 °C (750 °F).

Chemical Composition

Element Min Max
C – 0.10
Si – 0.50
Mn – 1.00
Fe – 1.00
Cu 55.00 nominal
Ni bal

Melting Point

1270 °C | 2320 °F

Coefficient of Expansion

14.7 µm/m °C (20 – 100°C) | 8.17 x 10-6 in/in °F (70 – 212°F)

Electrical Resistivity at 20°C

49 microhm • cm | 295 ohm. Circ. mil/ft

Maximum Operating Temperature

400 °C | 750 °F

No data available for more_information.