Manganese da silicon sune manyan abubuwan da ake amfani da su a cikin ƙarfe na carbon. Manganese yana daya daga cikin manyan abubuwan da ake kashewa a cikin aikin samar da karfe. Kusan duk nau'ikan karfe suna buƙatar manganese don deoxidation. Saboda samfurin oxygen da aka samar lokacin da ake amfani da manganese don deoxidation yana da ƙananan narkewa kuma yana da sauƙi don iyo; manganese kuma na iya ƙara tasirin deoxidation na masu ƙarfi deoxidizers kamar silicon da aluminum. Duk karafa na masana'antu suna buƙatar ƙara ɗan ƙaramin manganese azaman desulfurizer don ƙarfe zai iya zama mai zafi, ƙirƙira da sauran matakai ba tare da karye ba. Manganese kuma wani muhimmin sinadari ne mai haɗakarwa a cikin nau'ikan ƙarfe daban-daban, kuma sama da kashi 15% kuma ana ƙara shi cikin ƙarfe na gami. na manganese don ƙara ƙarfin tsarin ƙarfe.

Shi ne mafi muhimmanci alloying kashi a alade baƙin ƙarfe da carbon karfe bayan manganese. A cikin samar da ƙarfe, ana amfani da silicon galibi azaman deoxidizer don narkakken ƙarfe ko azaman ƙari don ƙara ƙarfin ƙarfe da haɓaka kayan sa. Silicon kuma shine ingantaccen graphitizing matsakaici, wanda zai iya juya carbon a cikin simintin ƙarfe zuwa carbon mai hoto kyauta. Ana iya ƙara siliki zuwa daidaitaccen ƙarfe mai launin toka da baƙin ƙarfe mai ductile har zuwa 4%. An ƙara yawan manganese da siliki a cikin narkakken ƙarfe a cikin nau'i na ferroalloys: ferromanganese, silicon-manganese da ferrosilicon.

Silicon-manganese alloy wani ƙarfe ne wanda ya ƙunshi silicon, manganese, baƙin ƙarfe, carbon, da ƙananan adadin sauran abubuwa. Wani ƙarfe ne na ƙarfe tare da fa'idodin amfani da babban fitarwa. Silicon da manganese a cikin siliki-manganese gami suna da alaƙa mai ƙarfi da iskar oxygen, kuma ana amfani da su wajen narkewa. Barbasar da aka lalatar da aka samar ta siliki-manganese alloy deoxidation a cikin karfe suna da girma, masu sauƙin iyo, kuma suna da ƙarancin narkewa. Idan an yi amfani da siliki ko manganese don lalatawa a ƙarƙashin yanayi iri ɗaya, ƙimar hasara mai ƙonewa za ta fi na silin-manganese da yawa fiye da na siliki-manganese, saboda ana amfani da siliki-manganese a cikin kayan ƙarfe. An yi amfani da shi sosai a masana'antar karfe kuma ya zama deoxidizer da babu makawa a cikin masana'antar ƙarfe. Hakanan za'a iya amfani da Silicomanganese azaman wakili mai ragewa don samar da ƙaramin carbon ferromanganese da samar da manganese ƙarfe ta hanyar electrosilicothermal.

An rarraba alamun siliki-manganese alloy zuwa 6517 da 6014. Abubuwan da ke cikin siliki na 6517 shine 17-19 kuma abun ciki na manganese shine 65-68; abun ciki na silicon na 6014 shine 14-16 kuma abun ciki na manganese shine 60-63. Abubuwan da ke cikin carbon ɗin su bai wuce 2.5%. , phosphorus kasa da 0.3%, sulfur kasa da 0.05%.