High Temperature Resistance Ni40cr20 Nickel Alloy Wire For Auto Parts Resistor Spring
1.About Nichrome Ni40Cr20 wire
Nichrome alloy Ni40Cr20 characterized by high resistivity, good oxidation resistance ,good form stability and good ductility and excellent weldability. It is suitable for use at temperatures up to 1100°C.
2.Ni40Cr20 has many other Grade name:
Cr20Ni40, Chromel D, Nikrothal 40, N4, Chromax, HAI-NiCr 40, Tophet D, Resistohm 40, Cronifer III, 40-20 Ni-Cr, Alloy D, Nikrothal 40, MWS-610, Stablohm 610
3.Chemical Composition of Ni40Cr20
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
| Max | |||||||||
| 0.08 | 0.02 | 0.015 | 0.60 | 0.75~1.60 | 18.0~21.0 | 34.0~37.0 | Max 0.50 | Bal. | - |
4.Typical Mechanical properties of Ni40Cr20
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 370 | 750 | 35 |
5.Temperature Factors Of Electrical Resistivity
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC |
| 1 | 1.011 | 1.024 | 1.038 | 1.052 | 1.064 | 1.069 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
| 1.073 | 1.078 | 1.088 | 1.095 | 1.109 | - | - |
6.All shape of Nichrome
Wire, ribbon( flat wire ), strip, bar, plate, tube
7.size of Ni40Cr20
| Wire | 0.018mm-10mm |
| Ribbon | 0.05*0.2mm-2.0*6.0mm |
| Strip | 0.5*5.0mm-5.0*250mm |
| Bar | 10-100mm |
Typical applications for NiCr 40/20 are used in night-storage heaters,convection heaters,heavy duty rheostats and fan heaters.And 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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