Why Galvanized Metal Stainless
Zinc Plated Stainless
Hot-dip Galvanizing
Hot-dip galvanizing is a process used to coat metal with a layer of zinc to prevent rust and corrosion. The process involves immersing the metal into a bath of molten zinc at a temperature of around 450°C. The high temperature causes a reaction between the zinc and the metal, resulting in a metallurgically bonded coating that is tightly adhered to the surface of the metal. The thickness of the zinc layer can be controlled by the immersion time and the zinc temperature, and it typically ranges from 50-200 microns. It can be used on various iron hardware and steel plates. Continuous hot-dip galvanizing production line is used in the production of galvanized steel coils.
Zinc Sacrificial Protection
The primary reason why galvanized metal is resistant to rust and corrosion is due to the properties of zinc. Zinc is a highly reactive metal, which means that it readily reacts with oxygen and water molecules in the air to form a thin layer of zinc oxide on the surface of the metal. This layer of zinc oxide acts as a barrier, preventing oxygen and water molecules from reaching the underlying metal and causing it to rust. This process is known as sacrificial protection, where the zinc layer corrodes instead of the underlying metal.
Physical Protection
Another reason why galvanized metal is resistant to rust and corrosion is physical protection. In hot-dip galvanizing, the metal is dipped into a bath of molten zinc, which results in a thick layer of zinc being applied to the surface of the metal. In electroplating, an electric current is used to deposit a thin layer of zinc onto the surface of the metal. Galvanization result in a layer of zinc that is tightly bonded to the surface of the metal, which enhances its resistance to rust and corrosion.
Advantage of Zinc Coated
Compared to other methods of rust prevention, galvanization offers several advantages. These include:
Long-lasting protection: Galvanization provides a long-lasting protective layer that can withstand harsh environmental conditions, making it ideal for outdoor use.
Cost-effective: Galvanization is a cost-effective method of rust prevention, as it requires less maintenance and provides durable protection, reducing the need for frequent replacement.
Self-healing properties: The zinc coating on galvanized metal has self-healing properties that allow it to repair itself when damaged, ensuring continued protection against rust and corrosion.
Easy application: Galvanization is a simple and straightforward process that can be applied to a wide variety of metal products, making it a versatile and convenient method of rust prevention.
Environmentally friendly: Galvanization is an environmentally friendly method of rust prevention, as it requires fewer resources and produces less waste compared to other methods such as painting or coating.
