China High Quallity Nikrothal 80/Resistohm 80 Resistance Heating Wire, Find details about China Nichrome Wire, Cr20ni80 from High Quallity Nikrothal 80/Resistohm 80 Resistance Heating Wire
Nichrome wire Cr20Ni80, Cr15Ni60 resistance heating wire
Ni80Cr20 has outstanding resistance to corrosion and has excellent performance.for high temperature operation. It is suitable for high temperature heating system and resistors. Ni80Cr20 has good ductility after use and excellent weldability.
Common Names: Cr20Ni80, Chromel A, Nikrothal 80, N8, Nichrome V, HAI-NiCr80,Tophet A, Resistohm 80, Cronix 80, Protoloy, Nikrothal 8,Alloy A, MWS-650, Stablohm 650
| Alloy Nomenclature Performance | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
| Main Chemical composition | Ni | Rest | Rest | 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 | Rest | Rest | Rest | |
| Max. continuous service temp. of element(ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Resistivity at 20ºC (μΩ·m) | 1.09 | 1.18 | 1.12 | 1.0 | 1.04 | |
| Density(g/cm3) | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | |
| Thermal conductivity (KJ/m·h·ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Coefficient of lines expansion(α×10-6/ºC) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
| Melting point approx.( ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Elongation at rupture(%) | >20 | >20 | >20 | >20 | >20 | |
| Micrographic structure | austenite | austenite | austenite | austenite | austenite | |
| Magnetic properties | nonmagnetic | nonmagnetic | Weak magnetic | Weak magnetic | Weak magnetic | |
Application