A hot-birgima farantin karfe an yi shi da ci gaba da slab ko blooming slab a matsayin albarkatun kasa, wanda aka mai tsanani da ruwa mai tafiya, sannan kuma ya shiga cikin mirgine mill. Mirgita, bayan rolling na ƙarshe, yana tafiya ta hanyar sanyaya-mai sanyaya (darajar sanyaya na kwamfuta) da kuma Coiling da COILE COILER ya zama madaidaiciya coil. Kai da wutsiya na madaidaiciya curler wasu lokuta harshe-dimbin yawa ne da kuma kauri-wutsiya suna da lahani kamar siffar kalaman, da siffar fage, da sifofi na fage, da kuma siffofin tow Nauyi mai nauyi yana da nauyi, kuma diamita na ciki na coil karfe shine 760mm