CuNi44
| Main Characteristics Of Copper-based Low Resistance Heating Wires | |||||||||||||
| Item | NC003 | NC005 | NC010 | NC012 | MC012 | NC015 | NC020 | NC025 | NC030 | NC035 | NC040 | NC050 | |
| Property | CuNi1 | CuNi2 | CuNi6 | CuNi8 | CuMn3 | CuNi10 | CuNi14 | CuNi19 | CuNi23 | CuNi30 | CuNi34 | CuNi44 | |
| Chemical (%) | Ni | 1 | 2 | 6 | 8 | - | 10 | 14.2 | 19 | 23 | 30 | 34 | 44 |
| Mn | - | - | - | - | 3 | - | 0.3 | 0.5 | 0.5 | 1 | 1 | 1 | |
| Cu | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | |
| Max. working temperature (℃) | - | 200 | 220 | 250 | 200 | 250 | 300 | 300 | 300 | 350 | 350 | 400 | |
| Melting point (℃) | 1085 | 1090 | 1095 | 1097 | 1050 | 1100 | 1115 | 1135 | 1150 | 1170 | 1180 | 1280 | |
| Density (g/cm3) | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | |
| 20℃ resistivity (μΩ.m) | 0.03 | 0.05 | 0.1 | 0.12 | 0.12 | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.4 | 0.5 | |
| Tensile strength (Mpa) | ≥210 | ≥250 | ≥270 | ≥290 | ≥290 | ≥310 | ≥340 | ≥350 | ≥400 | ≥400 | ≥420 | ||
| Elongation (%,>Φ1.0) | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | |
| TCR 10-5/℃ （20-600℃） | <100 | <120 | <60 | <57 | <38 | <50 | <38 | <25 | <16 | <10 | 0 | <-6 | |
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