China NiCr Alloy Wire (Nikrothal 80) for resistor, Find details about China Nicr Alloy Wire, Nicr Resistance Wire from NiCr Alloy Wire (Nikrothal 80) for resistor
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 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 | 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 |