Saboda yawan ƙarfin magnetic induction, lokacin yin injin daidai gwargwado, yana iya rage girman sosai, lokacin yin electromagnet, a ƙarƙashin yanki ɗaya na giciye, yana iya samar da ƙarfin tsotsa mafi girma.
Saboda yawan tasirin Curie, ana iya amfani da ƙarfe a cikin wasu kayan ƙarfe masu laushi na maganadisu waɗanda aka cire su gaba ɗaya a ƙarƙashin yanayin zafi mai yawa, kuma suna kiyaye kyakkyawan kwanciyar hankali na maganadisu.
Saboda babban ma'aunin magnetostrictive, kuma ya dace da amfani da shi azaman na'urar transducer ta magnetostrictive, kuzarin fitarwa yana da girma, ingancinsa yana da girma. Rashin juriyar ƙarancin ƙarfe (0.27 μΩ m.), bai dace da amfani da shi a ƙarƙashin yawan mita ba. Farashin ya fi girma, yana da sauƙin oxidize, kuma aikin sarrafawa bai yi kyau ba; ƙara nickel ko wasu abubuwa masu dacewa na iya inganta aikin sarrafawa.
Aikace-aikacen: ya dace don yin inganci mai sauƙi, ƙaramin girma na jirgin sama da sararin samaniya tare da kayan lantarki, kamar, kan sandar maganadisu na micro-motor rotor, relays, transducers, da sauransu.
Abubuwan Sinadarai (%)
| Mn | Ni | V | C | Si | P | S | Fe | Co |
| 0.30 | 0.50 | 0.8-1.80 | 0.04 | 0.30 | 0.020 | 0.020 | Bal | 49.0-51.0 |
Kayayyakin Inji
| Yawan yawa | 8.2 g/cm3 |
| Faɗaɗa Ma'aunin Zafi (20~100ºC) | 8.5 x 10-6 /ºC |
| Curie Point | 980ºC |
| Juriyar Girma (20ºC) | 40 μΩ.cm |
| Ma'aunin Magnetic Mai Tsauri | 60 x 10-6 |
| Ƙarfin Tilastawa | 128A/m |
Ƙarfin shigar da maganadisu a cikin filin maganadisu daban-daban
| B400 | 1.6 |
| B800 | 1.8 |
| B1600 | 2.0 |
| B2400 | 2.1 |
| B4000 | 2.15 |
| B8000 | 2.35 |
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