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Resistance Wire

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RW 45
A copper-nickel alloy used mainly for its medium range electrical resistivity and very low temperature-coefficient of resistance.
Approximate Chemical Composition

Specification Reference Numbers

Electrical Resistivity at 20°C
(Microhms/cm3)

 Density
(g/cm3)		 Maximum Operating Temperature Melting
Point		 Coefficient of Expansion (µ m/m. °C) at 20-100°C Electrical Resistivity at 20°C (Ohm, Circ, Mil/ft)

Nickel 45%
Copper 55%

W.Nr 2.0842

 49 8.89

400°C
(750°F)

1270°C
(2320°F)

 14.7 295
 

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Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

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