Resistance Wire

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Alloy Specifications

Features

  • Withstands temperatures up to 550°C
  • Uses: Motor control, heating wires and cables, precision and vitreous resistors, potentiometers.
  • Common Name: Cuprothal, Alloy 294, Cuprothal 294, Nico, MWS-294, Cupron, Copel, Alloy 45, Neutrology, Advance, CuNi 102, Cu-Ni 44, Konstantan

Composition

Nickel (Ni) 45%
Chromium (Cr) None/Trace
Iron (Fe) None/Trace
Aluminium (Al) None/Trace
Silicon (Si) None/Trace
Manganese (Mn) None/Trace
Copper (Cu) 55%
Carbon (C) None/Trace
Titanium (Ti) None/Trace
Molybdenum (Mo) None/Trace
Tungsten (W) None/Trace

Specifications

  • Specific Resistance:  294 ohms/cmf, 48.88 microohm/cm
  • Nom. Temp. Coeff. of Resistance (TCR):  2e-05 ohm/ohm/°C (0-100°C)
  • Density:  0.32182 lb/cu. in.
  • Specific Heat (20°C):  0.094 cal/g
  • Nominal Coefficient of Linear Expansion:  14.9 X 10-6 in/in/°C
  • Approx. Melting Point:  1205°C
  • Tensile Strength at 20°C:  135 KPSI Hard, 60 KPSI Annealed
  • Magnetic Attraction:  None