Ni80Cr20 Nichrome Resistance Heating Wire Supplier
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.
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 |