Cuni1 is in soarte koper-nikkellegering, dy't in lege wjerstân hat foar gebrûk by temperatueren oant 200 ℃.CuNi1Koper-nikkellegering hat ek goede hjittebestindige en korrosjebestindige eigenskippen, is maklik te ferwurkjen en te lassen mei lead. It wurdt brûkt om de wichtichste komponinten te meitsjen yn termyske oerlêstrelais, termyske stroombrekkers mei lege wjerstân en elektryske apparaten. It is ek in wichtich materiaal foar elektryske ferwaarmingskabels.
| Eigenskippen/ Materiaal | Wjerstân | Maks. wurktemperatuer | Treksterkte | Smeltpunt | Dichtheid | TCR | EMF tsjin Cu |
| (200C μΩ.m) | (0C) | (Mpa) | (0C) | (g/cm3) | x10-6 / 0C | (μV/ 0C) | |
| (20~600 °C) | (0~100 °C) | ||||||
| NC003 | 0.03 | 200 | 210 | 1085 | 8.9 | <100 | -8 |
| (CuNi1) | |||||||
| NC005 | 0.05 | 200 | 220 | 1090 | 8.9 | <120 | -12 |
| (CuNi2) | |||||||
| NC010 | 0.1 | 220 | 250 | 1095 | 8.9 | <60 | -18 |
| (CuNi6) | |||||||
| NC012 | 0.12 | 250 | 270 | 1097 | 8.9 | <57 | -22 |
| (CuNi8) | |||||||
| NC015 | 0.15 | 250 | 290 | 1100 | 8.9 | <50 | -25 |
| (CuNi10) | |||||||
| NC020 | 0.2 | 300 | 310 | 1115 | 8.9 | <30 | -28 |
| (CuNi14) | |||||||
| NC025 | 0.25 | 300 | 340 | 1135 | 8.9 | <25 | -32 |
| (CuNi19) | |||||||
| NC030 | 0.3 | 300 | 350 | 1150 | 8.9 | <16 | -34 |
| (CuNi23) | |||||||
| NC035 | 0.35 | 350 | 400 | 1170 | 8.9 | <10 | -37 |
| (CuNi30) | |||||||
| NC040 | 0.4 | 350 | 400 | 1180 | 8.9 | 0 | -39 |
| (CuNi34) | |||||||
| NC050 | 0.5 | 400 | 420 | 1200 | 8.9 | <-6 | -43 |
| (CuNi44) |
| Grutteberik | Tried | Lint | Strippe | Stêf | ||||
| diameter 0.03-7.5mm | diameter 8.0-12.0mm | (0,05-0,35) * (0,5-6,0) mm | (0,50-2,5) * (5-180) mm | 8-50mm | ||||
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