Cold coil ne mai zafi birgima a matsayin danyen abu, birgima a dakin zafin jiki a recrystallization zafin jiki a kasa, ciki har da faranti da nada, wanda a cikin bayarwa da ake kira karfe farantin, kuma aka sani da akwatin plate ko plate;Dogon tsayi, bayarwa a cikin coils da ake kira tsiri na karfe, wanda kuma aka sani da farantin karfe.