Karazana firaka varahina vita amin'ny nikela ny Cuni1, izay manana fanoherana ambany azo ampiasaina amin'ny mari-pana hatramin'ny 200 ℃.CuNi1Ny firaka varahina nikela dia mahatohitra hafanana sy harafesina tsara, mora karakaraina ary mora amboarina amin'ny alalan'ny firaka. Ampiasaina hanaovana ireo singa fototra amin'ny fifandraisana amin'ny hafanana be loatra, ny mpanapaka ny faritra mafana tsy dia mahatohitra loatra, ary ny fitaovana elektrika. Akora manan-danja amin'ny tariby fanafanana elektrika ihany koa izy io.
| Fananana/ Akora | Resistivity | Mari-pana ambony indrindra | Faharetana amin'ny sintona | Teboka mitsonika | hakitroky | TCR | EMF vs Cu |
| (200C μΩ.m) | (0C) | (Mpa) | (0C) | (g/sm3) | 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) |
| Habe samihafa | Tariby | kofehy | esory | tehina | ||||
| savaivony 0.03-7.5mm | savaivony 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