Zigawo zazikulu za CuNi2 copper-nickel alloy yosagwira dzimbiri ndi monga copper, nickel (2%), ndi zina zotero. Ngakhale kuti nickel ndi yochepa, imakhudza kwambiri makhalidwe ndi malo ogwiritsira ntchito alloy. Ili ndi kukana dzimbiri kwabwino kwambiri ndipo imatha kugwira ntchito mokhazikika m'malo osiyanasiyana ovuta. Mphamvu yayikulu, mphamvu yokoka imatha kufika pa 220MPa. Ndi yoyenera kupanga zida zosagwira dzimbiri m'mafakitale omanga zombo, mankhwala ndi zina.
Ubwino: 1. Kukana dzimbiri bwino kwambiri
2. kusinthasintha kwabwino kwambiri
| Kutentha kwakukulu kwa ntchito (uΩ/m pa 20°C) | 0.05 |
| Kukhazikika kwa kutentha (Ω/cmf pa 68°F) | 30 |
| Kutentha kwakukulu kwa ntchito (°C) | 200 |
| Kuchulukana (g/cm³) | 8.9 |
| Mphamvu Yokoka (Mpa) | ≥220 |
| Kutalika (%) | ≥25 |
| Malo Osungunuka (°C) | 1090 |
| Katundu wa Maginito | osati |
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