Nickel Chromium Heating Wire(Ni80Cr20)
Nickel-chromium alloy, nickel chromium iron alloy with high resistivity, surface oxidation resistance is good, and have higher strength at high temperature, good processability and weldability, which can be widely used in metallurgy, electrical appliances, machinery manufacturing, etc do resistance material heating elements and electrical industry.
Our company Wire diameter range of production 0.018~7mm
Nickel chrome Ni80Cr20 Electrical resistivity of alloy main technical performance
| brand |
Cr |
Ni |
Al |
Fe |
C |
P |
S |
Mn |
Si |
| ≤ |
| Ni80Cr20 |
20.0~23.0 |
Remain |
≤0.5 |
≤1 |
0.08 |
0.02 |
0.15 |
0.60 |
0.75~1.6 |
| brand |
highest use temperature/ºC |
Melting point/ºC |
density (g/cm³) |
resistivity/(μΩ·M) |
elongation(%) |
Coefficient of thermal conductivity |
Linear expansion coefficient of |
microstructure |
magnetic |
| Ni80Cr20 |
1200 |
1400 |
8.40 |
1.09 |
≥20 |
60.3 |
18.0 |
austenitic |
no magnetic |
Mechanical properties
| brand |
Tensile strength/Mpa |
| Ni80Cr20 |
637~786 |
Use time test
| brand |
Test temperature/ºC |
time/h |
| Ni80Cr20 |
1200 |
80 |
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