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Cold Rolled Bright Nichrome A Wire

Cold Rolled Bright Nichrome A Wire

Ni35Cr20is an austenitic nickel-chromium alloy (Nichrome alloy) for working at temperatures up to 1100°C (2010°F). This alloy is characterized by high resistivity and good oxidation resistace. It has good ductility and excellent weldability. after using. Common Names: Cr20Ni35, Chromel D, Nikrothal 40, N4, Chromax, HAI-NiCr 40, Tophet D, Resistohm 40, Cronifer III, 35-20 Ni-Cr, Alloy D, Nikrothal 40, MWS-610, Stablohm 610

  1.  Introduction

    Ni35Cr20is an austenitic nickel-chromium alloy (Nichrome alloy) for working at temperatures up to 1100°C (2010°F). This alloy is characterized by high resistivity and good oxidation resistace. It has good ductility and excellent weldability. after using.
    Common Names: Cr20Ni35, Chromel D, Nikrothal 40, N4, Chromax, HAI-NiCr 40, Tophet D, Resistohm 40, Cronifer III, 35-20 Ni-Cr, Alloy D, Nikrothal 40, MWS-610, Stablohm 610
    2. Chemical Composition


3. Characterisitic

Max. continuous service Temp.
1100ºCApprox. melting point1390ºC
Resistivity at 20ºC1.04±0.05 μΩ·mElongation≥20%
Density7.90 g/cm3Accelerated life≥80h/1200ºC
Thermal conductivity45.2 KJ/m·h·ºCMicrographic structureaustenite
Coefficient of lines expansion19.0 α×10-6/ºCMagnetic propertiesWeak magnetic
Specific heat0.500 J/g·ºCForms AvailableWire,ribbon,strip, bar,sheet,pipe

4. Application
· Widely used for convection heaters, heavy duty rheostats and fan heaters
· Also used for heating cables and rope heaters in defrosting and de-icing elements
· Electric blankets and pads, car seats, baseboard heaters and floor heaters, resistors.

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