1. Bayani
Cupronickel, wanda kuma za a iya kiransa da jan karfe nickel gami, wani gami ne na jan ƙarfe, nickel da ƙazanta masu ƙarfafawa, kamar baƙin ƙarfe da manganese.
KuMn3
Abubuwan Sinadari(%)
| Mn | Ni | Cu |
| 3.0 | Bal. |
| Matsakaicin Yanayin Sabis na Ci gaba | 200ºC |
| Resistivity a 20ºC | 0.12 ± 10% ohm*mm2/m |
| Yawan yawa | 8.9g/cm 3 |
| Adadin Zazzabi na Resistance | <38 × 10-6/ºC |
| EMF VS Cu (0 ~ 100ºC) | - |
| Matsayin narkewa | 1050ºC |
| Ƙarfin Ƙarfin Ƙarfi | Min 290 Mpa |
| Tsawaitawa | Min 25% |
| Tsarin Micrographic | Austenite |
| Abubuwan Magnetic | Ba |
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