Nichrome Wire (NiCr 80/20) for Resistor and Heater
Quick Data Show:
Grade: Nichrome 80/20
Chemical Composition: Nickel 80%, Chrome 20%
Electrical Resistivity: 1.09 ohm mm2/m
Max working temperature: 1200 C
Condition: Bright, Annealed, Soft
Wire diameter 0.015mm-1.0mm packing in spool
Rod, Bar diameter 1mm-30mm
Flat Wire, Ribbon, Foil, Sheet thickness 0.005mm~2.5mm, Width 0.5mm~500mm
Plate: Thickness 2.5mm~7mm, width 10mm~500mm
Usually used as heating element, resistor.
Our advantage: Long working Life and anti-oxidation under high temperature
Grade: NiCr 80/20 is also called Chromel A, Nikrothal 80, N8, Nichrome V, HAI-NiCr 80, Tophet A, Resistohm 80, Cronix 80, Protoloy, Nikrothal 8, Alloy A, MWS-650, Stablohm 650, NCHW1
We also produce other kind of nichrome resistance wire, such as NiCr 70/30,NiCr 60/15,NiCr 60/23,NiCr 37/18, NiCr 35/20, NiCr 25/20,Karma
Chemical Composition and Properties:
| Properties/Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 |
| Main Chemical Composition(%) | Ni | Bal. | Bal. | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
| | Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 |
| | Fe | ≤ 1.0 | ≤ 1.0 | Bal. | Bal. | Bal. |
| Max Working Temperature(ºC) | 1200 | 1250 | 1150 | 1100 | 1100 |
Resistivity at 20ºC
(μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 |
| Density(g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
| Thermal Conductivity (KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
Coefficient of Thermal Expansion
(α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 |
| Melting Point(ºC) | 1400 | 1380 | 1390 | 1390 | 1390 |
| Elongation(%) | > 20 | > 20 | > 20 | > 20 | > 20 |
| Micrographic Structure | austenite | austenite | austenite | austenite | austenite |
| Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic |
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Annealed Soft Heater Resistor Nichrome Wire 1mm Diameter Images
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