Bakin karfe bututu ya ƙunshi mafi ƙarancin 11% chromium, sau da yawa haɗe da nickel, don tsayayya da lalata.Wasu bakin karafa, irin su bakin karfen ferritic na maganadisu ne, yayin da wasu, irin su austenitic, ba su da magana.

Wasu ƙarin karafa na zamani sun haɗa da ƙarfe na kayan aiki, waɗanda aka haɗa tare da adadi mai yawa na tungsten da cobalt ko wasu abubuwa don haɓaka taurin maganin.Wannan kuma yana ba da damar yin amfani da taurin hazo kuma yana haɓaka juriya na gami.Sauran maƙasudin maƙasudi na musamman sun haɗa da ƙarfe na yanayi kamar Cor-ten, wanda yanayi ta hanyar samun barga mai tsatsa, don haka ana iya amfani da shi ba fenti ba.An haɗa ƙarfe na ƙarfe tare da nickel da sauran abubuwa, amma ba kamar yawancin ƙarfe yana ɗauke da ƙaramin carbon (0.01%) ba.Wannan yana haifar da ƙarfe mai ƙarfi amma har yanzu mai yuwuwa.

Karfe na Eglin yana amfani da haɗe-haɗe sama da dozin iri-iri daban-daban a cikin adadi daban-daban don ƙirƙirar ƙarfe mai ƙarancin farashi don amfani a cikin makaman buster buster.Karfe na Hadfield (bayan Sir Robert Hadfield) ko ƙarfe na manganese ya ƙunshi 12-14% manganese wanda idan aka lalatar da shi yana haifar da fata mai wuyar gaske wacce ke ƙin sawa.Misalai sun haɗa da waƙoƙin tanki, gefuna na bulldozer da yankan ruwan wukake akan muƙamuƙi na rayuwa.

Alloy m karfe bututu

Alloy sumul bututu ne irin sumul karfe bututu, wanda dukiya ne da yawa mafi girma fiye da talakawan yi na sumul karfe bututu saboda high carbon abun ciki, The halaye na gami sumul bututu da high zazzabi, low zazzabi juriya, lalata juriya sa sauran sumul karfe. bututu bai dace ba.don haka mafi yawan amfani da bututun gami a cikin masana'antar man fetur, sinadarai, wutar lantarki, tukunyar jirgi.

Alloy sumul shambura aka yafi amfani ga low matsa lamba tukunyar jirgi (matsi aiki ne kullum bai fi 5.88Mpa aiki zafin jiki a kasa 450).℃) bututun dumama;don manyan bututun tukunyar jirgi, mai tattalin arziki, superheater, reheater, bututun masana'antar petrochemical.Bugu da kari, gami karfe bututu amfani da wutar lantarki shuke-shuke, nukiliya ikon, high-matsa lamba tukunyar jirgi, high zafin jiki superheater da reheater, high matsa lamba high zafin jiki bututu da kayan aiki, shi ne yin amfani da high quality-carbon karfe, gami tsarin karfe da zafi- resistant bakin karfe abu, zafi birgima (extrusion, fadada) ko sanyi-birgima (ja) daga.