Whakaahuatanga
Ko te Cupronickel, e kiia ana hoki ko te koranu parahi nikara, he koranu o te parahi, te nikara me ngā poke whakapakari, pērā i te rino me te manganese.
CuMn3
Ihirangi Matū (%)
| Mn | Ni | Cu |
| 3.0 | Para. |
| Te pāmahana ratonga tonu mōrahi | 200 ºC |
| Ātete i te 20ºC | 0.12 ± 10% ohm*mm2/m |
| Kiato | 8.9 karamu/cm3 |
| Tauwehenga Pāmahana o te Ātete | < 38 ×10-6/ºC |
| EMF VS Cu (0~100ºC) | - |
| Te Pūwāhi Rewa | 1050 ºC |
| Kaha Kume | Iti rawa 290 Mpa |
| Te whakaroa | 25% iti rawa |
| Hanganga Moroiti | Austenite |
| Āhuatanga Aukume | Kāore. |
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