Karfe Mai Rufi na Zn-Al-Mg (ƙarfe na ZAM)

Karfe mai siffar Zinc-Aluminum-Magnesium (wanda aka fi sani da zam coated) wani ƙarfe ne mai aiki sosai wanda aka lulluɓe shi da ƙarfe mai zinc-aluminum-magnesium. Tsarin rufin da aka saba amfani da shi ya ƙunshi kusan 85%-96% zinc (Zn), 5%-11% aluminum (Al), da 1%-3% magnesium (Mg), tare da rabon da za a iya daidaita shi don takamaiman aikace-aikace. Ƙara magnesium yana ƙara yawan rufi da ikon warkar da kansa sosai, yana samar da juriyar tsatsa sau 2-10 mafi kyau idan aka kwatanta da samfuran da aka yi da galvanized da galvalume na gargajiya. Na'urar ƙarfe ta Zam tana ba da kariya mai kyau a cikin mahalli mai wadataccen acidic, alkaline, da chloride, wanda ke taimakawa wajen sanya shi zaɓi mai kyau don yanayin masana'antu mai yawa, zafi mai yawa, da yanayi mai tsanani.