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Ni Cr Alloy Wire
Ni-Cr alloy with high resistivity and serviceability temperature.
Brand Property | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
Major chemical component% | Ni | Margin | Margin | 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 | Margin | Margin | Margin | |
Component max. use temperature°C | 1200 | 1250 | 1150 | 1100 | 1100 | |
Melting Point°C | 1400 | 1380 | 1390 | 1390 | 1390 | |
Density g/cm3 | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | |
Resistivity μΩ·m,20°C | 1.09±0.05 | 1.18±0.05 | 1.11±0.05 | 1.04±0.05 | 1.04±0.05 | |
Extension rate% | min.20 | min.20 | min.20 | min. 20 | min.20 | |
Specific Heat J/g. °C | 0.440 | 0.461 | 0.494 | 0.500 | 0.500 | |
Heat Conduction Coefficient KJ/M.h°C | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Linear expansion coefficient aX10-6/°C | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
Microstructure | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic | |
Magnetic | Non-magnetic | Non-magnetic | Non-magnetic | Non-magnetic | Non-magnetic | |