Resistance Wire

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Alloy Specifications

Features

  • Withstands temperatures up to 300°C
  • Uses: Electronic components where a high resistivity together with a low temperature coefficient of resistance is required such as precision resistors.
  • Common Name: Alloy 800, Stablohm 800, Nikrothal LX, Chromel R, Karma, Evanohm, Evenohm, Evanohm R, Evenohm R, HAI-431, Moleculoy, 800 Alloy

Composition

Nickel (Ni) 75%
Chromium (Cr) 18 - 20%
Iron (Fe) None/Trace
Aluminium (Al) 2.50%
Silicon (Si) 0.60%
Manganese (Mn) 2.20%
Copper (Cu) 1.70%
Carbon (C) None/Trace
Titanium (Ti) None/Trace
Molybdenum (Mo) None/Trace
Tungsten (W) None/Trace

Specifications

  • Specific Resistance:  800 ohms/cmf, 133 microohm/cm
  • Nom. Temp. Coeff. of Resistance (TCR):  2e-05 ohm/ohm/°C (0-100°C)
  • Density:  0.293 lb/cu. in.
  • Specific Heat (20°C):  0.104 cal/g
  • Nominal Coefficient of Linear Expansion:  12.2 X 10-6 in/in/°C
  • Approx. Melting Point:  1400°C
  • Tensile Strength at 20°C:  200 KPSI Hard, 100 KPSI Annealed
  • Magnetic Attraction:  None