He koranu parahi nikara, he iti te ātete hiko, he pai te ātete wera me te waikura, he ngāwari ki te tukatuka me te whakarewa mata. E whakamahia ana hei hanga i ngā wāhanga matua o te whakawhiti wera nui, te pakaru ara iahiko wera iti te ātete, me ngā taputapu hiko. He rauemi nui anō hoki mō te taura whakamahana hiko.
Ngā momo me ngā āhuatanga matua
| Momo | Ātete hiko (20 nekehangaΩ mm²/m) | tauwehenga pāmahana ātete (10^6/tohu) | Ngā ana iti karamu/mm² | Te pāmahana mōrahi (°c) | Te pūwāhi rewa (°c) |
| CuNi1 | 0.03 | <1000 | 8.9 | 200 | 1085 |
| CuNi2 | 0.05 | <1200 | 8.9 | 200 | 1090 |
| CuNi6 | 0.10 | <600 | 8.9 | 220 | 1095 |
| CuNi8 | 0.12 | <570 | 8.9 | 250 | 1097 |
| CuNi10 | 0.15 | <500 | 8.9 | 250 | 1100 |
| CuNi14 | 0.20 | <380 | 8.9 | 300 | 1115 |
| CuNi19 | 0.25 | <250 | 8.9 | 300 | 1135 |
| CuNi23 | 0.30 | <160 | 8.9 | 300 | 1150 |
| CuNi30 | 0.35 | <100 | 8.9 | 350 | 1170 |
| CuNi34 | 0.40 | -0 | 8.9 | 350 | 1180 |
| CuNi40 | 0.48 | ±40 | 8.9 | 400 | 1280 |
| CuNi44 | 0.49 | <-6 | 8.9 | 400 | 1280 |
Te tono o te waea koranu parahi nikara:
1. ngā wāhanga whakamahana
2. te ātete whakawhāiti-au o te whakawhiti wera nui
3. te kaiwawao hiko iti-ngaohiko
4. taputapu ngaohiko-iti
150 0000 2421