Resistance Wire

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Alloy Specifications


  • Withstands temperatures up to 1100°C
  • Uses: Relatively low-temperature applications such as heating cables, resistors, terminal pins, etc.
  • Common Name: Alrkothal 14, Alloy 750, Alferon 902, Alchrome 750, Resistohm 125, Aluchrom W, 750 Alloy, Stablohm 750


Nickel (Ni) None/Trace
Chromium (Cr) 15%
Iron (Fe) Balance
Aluminium (Al) 4.30%
Silicon (Si) None/Trace
Manganese (Mn) None/Trace
Copper (Cu) None/Trace
Carbon (C) None/Trace
Titanium (Ti) None/Trace
Molybdenum (Mo) None/Trace
Tungsten (W) None/Trace


  • Specific Resistance:  752 ohms/cmf, 124.69 microohm/cm
  • Nom. Temp. Coeff. of Resistance (TCR):  0.00009 ohm/ohm/°C (0-100°C)
  • Density:  0.263 lb/cu. in.
  • Specific Heat (20°C):  0.11 cal/g
  • Nominal Coefficient of Linear Expansion:  15 X 10-6 in/in/°C
  • Approx. Melting Point:  1500°C
  • Tensile Strength at 20°C:  120 KPSI Hard, 90 KPSI Annealed
  • Magnetic Attraction:  Strong