... :AZ50-200 3.Surface :anti-finger Aluminum Zinc Coated Steel Coil GLZincalume Steel Coil ,Galvalume Steel CoilHot Dipped Galvalume Steel CoilAluminium Zinc Alloy Coated Steel Coil ,GalvalumeSteel Grde :SGCC ,SPCC ,D51D ,D54DThickness ... -AZ180 or follow customer ‘s requestApplicatiom : Base material for prepained colour steel coils ,and also for construction industr ,roof structure ,keel ,grill ...