What is the difference between hot plated wire and cold plated wire?

Hot plating wire and cold plating wire are two commonly used methods in metal surface treatment technology, and they have some differences in process, characteristics and applications.
First, hot plating wire is a method of coating formation by heating the wire and dipping it into the plating solution. This method requires heating the wire to a certain temperature to clean its surface and improve its reactivity. Then the heated metal wire is immersed in the plating solution, and the metal surface reacts with the metal ions in the plating solution to form a uniform and dense metal coating. This method usually requires an atmosphere at high temperatures, cleaners, and solvents in order to produce a uniform coating on the metal surface.
In contrast, cold plating wire is a coating method performed at low temperatures. In the cold plating process, the wire does not need to be heated, but is directly immersed in the plating solution. Cold plating wire mainly relies on chemical reaction to reduce metal ions in the plating solution and form a metal coating. Cold plated wire is usually used to coat metal materials with a protective layer to improve its oxidation resistance, corrosion resistance and wear resistance.

hot plated wire

In the process, the temperature control of hot plating wire is more difficult, and the heating process needs to be strictly controlled by heating equipment and temperature sensors. Cold plating wire is relatively simple, without heating equipment, can be carried out at room temperature. This allows for higher production efficiency and lower energy consumption.
In terms of characteristics, the coating of hot-dip galvanized wire is generally more uniform and denser than that of cold-plated wire. Hot plated wire usually has higher bonding forces and hardness, which can provide better wear, corrosion and oxidation resistance. The coating of cold plated wire is relatively thin, not as uniform and dense as that of hot plated wire, but it can provide better anode protection and aesthetics.
In application, hot plating wire is widely used in automotive manufacturing, building materials, electronic equipment and aerospace and other fields. The high binding force and anti-wear properties of hot plated wire make it able to provide a better protective layer in automobile manufacturing and extend the service life of automobiles. At the same time, the oxidation resistance of hot plating wire also makes it an important part of the manufacture of electronic equipment and air conditioners and other products. The cold plating wire is mainly used to provide aesthetic and protective coating. Cold plated wire is widely used in furniture, decorations and hardware products to provide a good appearance and corrosion resistance of the surface.


Post time: 17-04-24