Wayar ƙarfe mai jure zafi da aka yi da tagulla tana da ƙarancin juriya ga wutar lantarki, kyakkyawan walda mai kyau da kuma hana lalata. Ana amfani da ita wajen yin muhimman abubuwan da ke cikin na'urar relay mai nauyin zafi,ƙarancin juriyana'urar katse wutar lantarki, da kayan aikin lantarki. Hakanan muhimmin abu ne donkebul na dumama lantarki.
Nau'in wadata
| Nau'i | Girman | ||
| Waya mai zagaye | D=0.06mm~8mm | ||
Babban sinadarin sinadarai (%)
| Nickel | 2 | Manganese | - |
| Tagulla | Daidaito |
Sigogi na zahiri
| Ƙarfin samarwa (Mpa) | Ƙarfin tensile (Mpa) | Tsawaita (%) | Yawan yawa (g/cm3) | Juriya (20℃) (Ω・mm2/m) | Ma'aunin zafin jiki mai jurewa (20℃~600℃) 10-5/℃ | Mai isar da wutar lantarki (20℃) (WmK) | Ƙarfin lantarki akan jan ƙarfe (μV/℃) (0~100℃) | Ma'aunin faɗaɗawa (20 ℃- 400 ℃) x10-6/K | Ƙarfin zafi na musamman (20℃) (J/g・K) | Wurin narkewa (℃) | Matsakaicin zafin aiki (℃) | Magnetism |
| 90 | 220 | 25 | 8.9 | 0.05 | −120 | 130 | -12 | 17.5 | 0.38 | 109 | 2 |
Gilashin nickel na tagulla yana da ƙarancin juriya ga wutar lantarki, yana da kyakkyawan juriya ga zafi da kuma juriya ga tsatsa, yana da sauƙin sarrafawa da kuma walda da gubar. Ana amfani da shi don yin muhimman abubuwan da ke cikin relay na zafi, mai karya da'irar zafi mai ƙarancin juriya, da kayan lantarki. Hakanan yana da mahimmanci donkebul na dumama lantarki.