Baƙar fata siliki carbide an yi shi ne daga yashi quartz da kuma man coke silica a matsayin babban albarkatun ƙasa ta hanyar narkewar zafin jiki a cikin tanderun juriya. Taurinsa yana tsakanin corundum da lu'u-lu'u, ƙarfin injinsa ya fi corundum girma, kuma yana da karye da kaifi. Koren silicon carbide ana yin shi ne daga coke na man fetur da silica a matsayin babban albarkatun ƙasa, tare da ƙara gishiri a matsayin ƙari, kuma ana narkar da shi a babban zafin jiki a cikin tanderun juriya. Taurinsa yana tsakanin corundum da lu'u-lu'u, kuma ƙarfin injinsa ya fi corundum girma.

Ferromolybdenum wani abu ne na molybdenum da baƙin ƙarfe kuma ana amfani da shi azaman ƙari na molybdenum a cikin ƙera ƙarfe. Ƙara molybdenum zuwa karfe na iya sa ƙarfe ya kasance da tsari mai kyau mai kyau, wanda zai iya taimakawa wajen cire haushi da kuma inganta ƙarfin karfe. A cikin ƙarfe mai sauri, molybdenum na iya maye gurbin wani ɓangare na tungsten. Tare da sauran abubuwan haɗin gwiwa, ana amfani da molybdenum sosai a cikin samar da ƙarfe mai jure zafi, baƙin ƙarfe, ƙarfe mai jure acid da ƙarfe na kayan aiki, gami da gami da kaddarorin jiki na musamman. Ƙara molybdenum zuwa simintin ƙarfe zai iya ƙara ƙarfinsa kuma ya sa juriya. Ferromolybdenum yawanci ana narkar da shi ta hanyar yanayin zafi na ƙarfe.

Ferromolybdenum wani ƙari ne na ƙarfe na amorphous a cikin tsarin samarwa kuma yana da kyawawan kaddarorin da yawa waɗanda aka canjawa wuri zuwa gami da zinc. Babban fa'idar ferromolybdenum gami shine kaddarorin taurinsa, wanda ke sa karfen waldawa. Halayen ferromolybdenum suna sanya shi ƙarin fim ɗin kariya akan sauran ƙarfe, yana sa ya dace da samfuran daban-daban.

Titanium daya ne daga cikin karafa masu sauki da tauri da aka gano kawo yanzu, yayin da bakin karfen karfen karfen karfe ne. Bugu da ƙari, titanium gami yana da kyau fiye da bakin karfe dangane da aiki. Yana da sauƙi a nauyi kuma yana da girma a cikin taurin. Its juriyar iskar oxygen (wato, tsatsa) yayi kama da na bakin karfe, amma farashin ya fi tsada sosai.

Metal silicon 200 raga shine launin toka na azurfa tare da luster na ƙarfe. Yana da babban ma'anar narkewa, kyakkyawan juriya na zafi, babban juriya da juriya na iskar shaka.

Tun da alli yana da alaƙa mai ƙarfi tare da oxygen, sulfur, hydrogen, nitrogen da carbon a cikin narkakken ƙarfe, ana amfani da alluran siliki na siliki galibi don deoxidation, degassing da gyara sulfur a cikin narkakken ƙarfe. Calcium silicon yana samar da tasirin exothermic mai ƙarfi lokacin da aka ƙara shi zuwa narkakken ƙarfe.