Bayanin Cold Rolled Coil yana nufin tsiri na karfe wanda aka yi birgima cikin wani kauri kai tsaye ta abin nadi a zafin daki kuma ya mirgina cikin duka coil ta coiler.Idan aka kwatanta da naɗaɗɗen nada mai zafi, yanayin sanyi mai birgima mai haske, ƙarewa mafi girma, amma zai haifar da ƙarin damuwa na ciki, bayan jujjuyawar sanyi sau da yawa yana buƙatar maganin kashewa.Ana amfani da coil ɗin ƙarfe mai zafi a matsayin ɗanyen abu, bayan daɗaɗɗen acid don cire sikelin oxide, mirgina sanyi, mirgina cikin babban nada.St...