1. Bayani
Cupronickel, wanda kuma za a iya kiransa da ƙarfe nickel, wani ƙarfe ne na jan ƙarfe, nickel da ƙazanta masu ƙarfi, kamar ƙarfe da manganese.
CuMn3
Abubuwan Sinadarai (%)
| Mn | Ni | Cu |
| 3.0 | Bal. |
| Matsakaicin Yanayin Sabis na Ci gaba | 200 ºC |
| Juriyar yanayi a 20ºC | 0.12 ± 10% ohm*mm2/m |
| Yawan yawa | 8.9 g/cm3 |
| Ma'aunin Juriya na Zafin Jiki | < 38 × 10-6/ºC |
| EMF VS Cu (0~100ºC) | - |
| Wurin narkewa | 1050 ºC |
| Ƙarfin Taurin Kai | Min 290 Mpa |
| Ƙarawa | Mafi ƙarancin 25% |
| Tsarin Micrographic | Austenite |
| Kadarar Magnetic | A'a. |
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