Hot plating wire is also called hot dip zinc and hot dip galvanized wire, is produced by wire rod through drawing, heating, and then drawing, and finally by hot plating process surface coated zinc wire. Zinc quantity is generally controlled in 30g/m^2-290g/m^2 scale. Mainly used in various industries of metal structure equipment. It is to immerse the steel parts after rust removal into the melted zinc solution at about 500℃, so that the surface of the steel members is attached with the zinc layer, and then play the intention of anticorrosion.
Hot dip galvanized wire color is dark, need to consume more zinc metal, its corrosion resistance is good, galvanized layer thick, outdoor hot dip galvanized can persist for decades. Pretreatment of hot-dip galvanized wire electroplating is the basis of electroplating, but also the key to ensure the quality of products, before electroplating will not be coated matrix treatment to the requirements of the rules. Before the hot dip galvanized wire plating, not only the existing grease and influence on the substrate metal adhesion and other quality requirements of the foreign matter, but also to remove its oxide surface.
Hot-dip galvanized wire after plating for enhanced protection, decoration and other special purposes (passivation, hot melt, closing and hydrogen removal, etc.) post-plating treatment. Chromic acid salt passivation or other transformation is processed commonly after galvanizing, the transformation film that forms corresponding type is one of the key working procedures that ensures the quality after plating. Because hot dip galvanized wire has a long anticorrosive life and a wide range of application environment, hot dip wire is widely used in heavy industry, light industry, agriculture, widely used in manufacturing wire mesh, highway guardrail and construction engineering and other fields in the form of net, rope, silk and so on.
Post time: 27-12-21