Resistance Wire

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Alloy Specifications

Features

  • Withstands temperatures up to 1100°C
  • Uses: Used for everything from resistors, heating applications, mechanical components, food-handling equipment, magnetically actuated parts, sonar devices, electrical and electronic leads, and springs. Commercially pure wrought Nickel with good mechanical properties over a wide range of temperature and excellent resistance to many corrosives, in particular hydroxides. Good resistance to corrosion in acids and alkalis and is most useful under reducing conditions. Outstanding resistance to caustic alkalis up to and including the molten state. In acid, alkaline and neutral salt solutions the material shows good resistance, but in oxidizing salt solutions severe attack will occur. Resistant to all dry gases at room temperature and in dry chlorine and hydrogen chloride may be used in temperatures up to 550C. Resistance to mineral acids varies according to temperature and concentration and whether the solution is aerated or not. Corrosion resistance is better in de-aerated acid.
  • Common Name: Nickel 200, Nickel Alloy 200, Alloy 200, 200 Alloy, Alloy K205

Composition

Nickel (Ni) 99.0% Min.
Chromium (Cr) None/Trace
Iron (Fe) None/Trace
Aluminium (Al) None/Trace
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

Specifications

  • Specific Resistance:  60 ohms/cmf, 9 microohm/cm
  • Nom. Temp. Coeff. of Resistance (TCR):  0.0047 ohm/ohm/°C (0-100°C)
  • Density:  0.322 lb/cu. in.
  • Specific Heat (20°C):  0.109 cal/g
  • Nominal Coefficient of Linear Expansion:  13 X 10-6 in/in/°C
  • Approx. Melting Point:  1450°C
  • Tensile Strength at 20°C:  135 KPSI Hard, 60 KPSI Annealed
  • Magnetic Attraction:  Strong