Cold heading karfe waya wani nau'i ne na karfe na musamman, kuma tsarin kera shi shine samun ƙarfi da ƙarfi ta hanyar sake sarrafa ƙarfe mai zafi ko mai zafi a yanayin sanyaya. Wannan hanyar kulawa ta musamman tana ba da damar yin amfani da ƙarfe mai sanyi a cikin injiniyoyi da filayen injiniya waɗanda ke buƙatar ƙarfi da daidaito.
1) Material: 10B15-10B38,20MnB4,28B2,QB30,SCM420,SCM435,SCM440,15CrMo,20CrMo,35CrMo,42Cr
2) Packing: daidaitaccen marufi mai cancantar teku
3) Surface jiyya: naushi, welded, fentin ko kamar yadda ta abokin ciniki ta bukata
4) Size: bisa ga abokin ciniki ta bukata
Cold heading karfe kayan yawanci hada da low carbon karfe, gami karfe, bakin karfe, da dai sauransu, kuma kowane abu yana da daban-daban halaye da ikon yinsa, na aikace-aikace. Alal misali, ƙananan karafa suna ba da kayan aiki mai kyau da walƙiya, yayin da bakin karfe yana ba da kyakkyawan juriya da kuma kayan ado.
Cold heading karfe yawanci ana yin su zuwa samfura na nau'ikan siffofi da girma dabam dabam, kamar su kusoshi, goro, fil, ƙulle-ƙulle, rivets, da sauransu. Waɗannan samfuran suna buƙatar samun ƙarfi da daidaiton buƙatu fiye da ƙarfe na yau da kullun. Cold heading karfe yawanci sha aiwatar matakai kamar quenching, tempering, da surface jiyya don inganta inji Properties da anti-lalata Properties.
Cold heading karfe ana amfani dashi sosai a masana'antu kamar motoci, injina, kayan lantarki, da gini. Musamman ma a lokatai da ake buƙatar ƙarfin ƙarfi da daidaito, ana amfani da ƙarfe mai sanyi sosai. Bugu da ƙari, tare da ci gaba da ci gaban fasahar injiniya da ci gaba da karuwar buƙatu, aikace-aikacen da ake bukata na karfe mai sanyi yana ƙara karuwa.
A taƙaice, ƙarfe mai sanyi yana da kyawawan kaddarorin injina, kaddarorin sarrafawa da juriya na lalata, kuma ƙarfe ne na musamman mai amfani. Tare da haɓaka fasahar injiniyanci da faɗaɗa filayen aikace-aikacen, buƙatun ƙarfe mai kan sanyi shima zai ci gaba da ƙaruwa.
Kamar yadda kasar Sin karfe kayan masana'antu manyan Enterprises, da kasa karfe ciniki da kuma dabaru "Dari mai kyau bangaskiya sha'anin", Sin karfe ciniki Enterprises, "Top 100 masu zaman kansu Enterprises a Shanghai". Shanghai Zhanzhi masana'antu Group Co., Ltd., (gajere ga Zhanzhi Group ) yana ɗaukar "Integrity, Practicality, Innovation, Win-Win" a matsayin ka'idar aiki ta guda ɗaya, koyaushe yana ci gaba da sa bukatar abokin ciniki a farkon wuri.