Nickel-chromium, nickel, ferrochrome alloy wire with electric high
temperature oxidation resistance, high strength, not soften and a
series of advantages. When used in a long time, the same type and
the permanent elongation is very small, which is more Cr20Ni80
alloy with excellent comprehensive properties, is to produce
high-quality varieties of choice for electric components.
Common Name :
Nikrothal 8,MWS-650,NiCrA,Tophet A,HAI-NiCr 80,Chromel A,Alloy
A,Alloy 650,N8,Resistohm 80, Stablohm 650,Nichorme V,Nikrothal 80,OhmAlloy109,Nicrove V, Brightray C, Cronix 80, Chromalloy, Chromel, and Gilphy
80
Ni80Cr20 Nickel-Chromium Nickel alloy resistance heating flat wire,
ribbon
- Nickel-chromium alloy performance tables
Performance material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 |
Composition | Ni | 90 | Rest | Rest | 55.0~61.0 | 34.0~37.0 | 30.0~34.0 |
Cr | 10 | 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 |
Maximum temperature℃ | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 |
Meltiing point ℃ | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 |
Density g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
Resistivity | | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 |
μΩ·m,20℃ |
Elongation at rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 |
Specific heat | | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 |
J/g.℃ |
Thermal conductivity | | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
KJ/m.h℃ |
Coefficient of lines expansion | | 18 | 17 | 17 | 19 | 19 |
a×10-6/ |
(20~1000℃) |
Micrographic structure | | Austenite | Austenite | Austenite | Austenite | Austenite |
Magnetic properties | | Nonmagnetic | Nonmagnetic | Nonmagnetic | Weak magnetic | Weak magnetic |