Cuni1 ni aina ya aloi ya nikeli ya shaba, ambayo ina upinzani mdogo kwa matumizi katika halijoto hadi 200 ℃. Aloi ya nikeli ya shaba ya CuNi1 pia ina upinzani mzuri wa joto na kutu, rahisi kusindika na kulehemu kwa risasi. Inatumika kutengeneza vipengele muhimu katika relay ya overload ya joto, kivunja mzunguko wa joto cha upinzani mdogo, na vifaa vya umeme. Pia ni nyenzo muhimu kwa kebo ya joto ya umeme.
| Sifa/Nyenzo | Upinzani | Kiwango cha juu cha joto kinachofanya kazi | Nguvu ya mvutano | Kiwango cha kuyeyuka | Uzito | TCR | EMF dhidi ya Cu |
| (200C μΩ.m) | (0C) | (Mpa) | (0C) | (g/cm3) | x10-6 / 0C | (μV/ 0C) | |
| (20~600 0C) | (0~100 0C) | ||||||
| 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) |
| Safu ya Ukubwa | Waya | Utepe | Ukanda | Fimbo | ||||
| kipenyo 0.03-7.5mm | kipenyo 8.0-12.0mm | (0.05-0.35)*(0.5-6.0)mm | (0.50-2.5)*(5-180)mm | 8-50mm | ||||
150 0000 2421