Resistance Wire

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Alloy Specifications

Features

  • Withstands temperatures up to 500°C
  • Uses: Used for everything from resistors, heating applications, mechanical components, and springs. Type 304 is the most widely used Chromium-Nickel austenitic stainless steel. It is nonmagnetic in the annealed condition and becomes slightly magnetic when cold worked. It has excellent fabrication and weldability characteristics. Non-hardenable by heat-treating. Low carbon content minimizes problem of carbide precipitation during welding and has permitted this alloy's use in corrosive service in the as-welded condition.
  • Common Name: Stainless Steel 304, SS304

Composition

Nickel (Ni) 8 - 12%
Chromium (Cr) 18 - 20%
Iron (Fe) Balance
Aluminium (Al) None/Trace
Silicon (Si) 1% Max.
Manganese (Mn) 2% Max.
Copper (Cu) None/Trace
Carbon (C) None/Trace
Titanium (Ti) None/Trace
Molybdenum (Mo) None/Trace
Tungsten (W) None/Trace

Specifications

  • Specific Resistance:  420 ohms/cmf, 70 microohm/cm
  • Nom. Temp. Coeff. of Resistance (TCR):  0.0085 ohm/ohm/°C (0-100°C)
  • Density:  0.286 lb/cu. in.
  • Specific Heat (20°C):  0.118 cal/g
  • Nominal Coefficient of Linear Expansion:  9.6 X 10-6 in/in/°C
  • Approx. Melting Point:  1399°C
  • Tensile Strength at 20°C:  300 KPSI Hard, 105 KPSI Annealed
  • Magnetic Attraction:  None (Anne