NiCr 80/20
Resistance alloys and resistance heating alloys
This information is provided for guidance purposes only, this publication may include technical inaccuracies or typographical errors; changes may be made to the technical data sheet without notice. If errors are found, please submit the correction via e-mail to: webmaster@niwire.com.
NiChrome 80 (NiCr 80/20) is an austenitic nickel-chromium alloy for use at temperatures up to 1200°C. This Ni-Cr alloy has high resistivity and good oxidation resistance. It also has better ductility after use compared with FeCrAl alloys.
| C % | Si % | Mn % | Cr % | Fe % | Ni% | |
|---|---|---|---|---|---|---|
| Min | – | 0.75 | – | 20.0 | – | Bal. |
| Max | 0.08 | 1.60 | 0.60 | 23.0 | 1.0 |
|
Density g/cm3
|
8.40 |
|
Electrical resistivity at 20°C Ω mm2/m
|
1.09 |
|
Melting point °C
|
1400 |
|
Max continuous operating temperature in air °C
|
1200 |
|
Specific heat capacity kJ kg-1 K-1
|
0.440 |
|
Thermal conductivity
|
16.7 |
|
Coefficient of thermal expansion 20-1000 °C 10-6/K |
18.0 |
|
Magnetic property
|
non-magnetic |
| °C | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1100 | 1200 |
| Ct | 1.006 | 1.012 | 1.018 | 1.025 | 1.026 | 1.018 | 1.010 | 1.008 | 1.010 | 1.014 | 1.021 | 1.025 |
| Wire | Tensile strength | Elongation |
| Ø | Rm | A |
| mm | MPa | % |
| 3 | 650 | 20 |
We are able to offer insulated nickel chromium alloy wires and ribbons through following ways:
- Enamels: Polyester, polyurethane, polyester imine, etc.
- Teflon: FEP, PFA, ETFE, etc.
- Plastic: PP, PE, PVC, TPEE, TPX, etc.