Fe-B (훼로보륨)

Fe-Cr(H) (훼로하이크롬)

Fe-Cr(L) (훼로로크롬)

Fe-Mn(중) (중타소망간)

Fe-Mn(H) (훼로하이망간)

Fe-Mn(H)(P) (훼로하이망간)

Fe-Mo (훼로몰리브덴)

Fe-Mo(p) (훼로몰리브덴)

Fe-Nb (훼로니오비움)

Fe-P (인철)

Fe-S (황인철)

Fe-Si (훼로실리콘)

Fe-Si-Mg (훼로시리마그네슘)

Fe-Ti (훼로티타늄)

Fe-Ca-Si (칼슘실리콘)

질소크롬

Fe-V (훼로바나듐)

Fe-W (훼로텅스턴)