Gabatarwar samfur:
Silicon gami karfe dauke da 1.0 ~ 4.5% silicon da carbon abun ciki kasa da 0.08% ake kira silicon karfe.Yana da halaye na high Magnetic conductivity, low coercivity da kuma babban juriya coefficient, don haka da hysteresis asarar da eddy halin yanzu asara kadan.Ana amfani da shi azaman kayan maganadisu a cikin injina, masu canza wuta, kayan lantarki da kayan lantarki.Domin biyan buƙatun naushi da yanke sarrafawa lokacin yin na'urorin lantarki, ana kuma buƙatar wani ɗan roba.Don inganta haɓakar ƙarfin maganadisu da kuma rage asarar hysteresis, ƙananan abubuwan ƙazanta masu cutarwa shine, mafi kyau, kuma nau'in farantin yana da lebur kuma ingancin saman yana da kyau.