Zafafan ƙirƙira yana nufin ƙirƙira ƙarancin ƙarfe sama da zafin sake sake ƙirƙira.Features: rage nakasawa juriya na karafa, don haka rage mugun ƙirƙira karfi da ake bukata don nakasu kayan, sabõda haka, ƙwarai rage tonnage ƙirƙira kayan aiki;canza tsarin simintin simintin gyare-gyare na ƙirƙira bayan recrystallization ya zama simintin simintin gyare-gyaren sabon tsari na ƙananan hatsi, da rage lahani a tsarin simintin don inganta kayan aikin ƙarfe;inganta ductility yana da wahala ga wasu ƙarin gaggautsa a ƙananan yanayin zafi a cikin ƙirƙirawar gami da ƙarfe mai ƙarfi, wanda yake da mahimmanci.Babban juriya na nakasawa a ɗaki, kayan filastik ƙarfe mara kyau.Hot karfe ƙirƙira zafin jiki kewayon yana nufin zafin jiki da kuma zafin jiki ya fara haifar da wani tazara tsakanin karshen ƙirƙira zafin jiki, domin hana overheating, kona bukatar daidai ƙayyade farkon ƙirƙira zafin jiki da kuma karshe ƙirƙira zafin jiki.Hanyar da ta fi dacewa ita ce haɓaka zafin zafi na ma'aunin ƙarfe-carbon da aka zana hoton tushe na ƙarfe.

Ƙirƙirar sanyi yana ƙasa da yanayin recrystallization na kayan da aka kafa, ana yin ƙirƙira a zafin jiki a ƙasan amsa.Production saba da m unheated a kira sanyi ƙirƙira.A karkashin sanyi ƙirƙira zafin jiki nakasawa juriya na abu ne mafi yawa kananan, filastik da wasu aluminum gami mafi alhẽri, da kuma wasu jan karfe gami, low carbon karfe, carbon karfe, low gami karfe.Cold ƙirƙira kyakkyawan ingancin farfajiya, daidaito mai girman girma, na iya maye gurbin wasu yankan.Ƙarfe na ƙirƙira sanyi na iya ƙarfafawa da haɓaka ƙarfin sassan.Fasahar jujjuyawar sanyi zai kasance sama da yanayin zafi na ƙirƙira madaidaicin ƙirƙira da ƙirƙira, daidaitaccen filin ƙirƙirar yana da fa'idodi na musamman.Tsarin ƙirƙira sanyi ta amfani da ingantacciyar ƙaƙƙarfan ƙanƙara, daidaito mai girma, ƙarfin saman ƙasa, tsawaita rayuwar ganga, daidaiton harbi wanda daidaitaccen haɓakar bindigar, da sauƙi na sarrafa ganga mai ɗorewa, ana iya rage ingancin.