• Pipe surface preparation
  The first step is to prepare the pipe surface for galvanizing. This process begins with cleaning the pipes of dirt such as rust, fats, oils and other contaminants that can affect the quality of galvanizing. The surface of the pipes must also be properly prepared, e.g. by grinding, sandblasting or blasting.
• Acid bath
  After surface preparation, the pipes are immersed in hydrochloric acid, which removes the last impurities and prepares the surface for galvanizing.
• Galvanizing in the bathtub
  The pipes are then immersed in a hot bath of liquid zinc. This bath is heated to the appropriate temperature, usually between 445°C and 455°C, to obtain the appropriate viscosity of the liquid zinc. The pipes are brought into the bath using special devices, such as transport carts.
• Cooling down and removing excess zinc
  After immersing the pipes in a bath of zinc, the pipes are slowly taken out and cooled down in a special bath. At this point, excess zinc is also removed from the surface of the pipes. This excess is usually removed by shaking the pipes or by air stream.
• Quality control
  At the end of the galvanizing process, the pipes are quality controlled to ensure that the zinc coating is even and sufficiently durable.

Galvanized steel pipes are widely used in many industries, including:

Construction: especially in load-bearing structures such as grids, roof structures, columns, fences, balustrades, stairs and in water and sewage systems.
Chemical and petrochemical industries: they are used to transport liquids and gases in the chemical and petrochemical industries, as well as for the construction of pipelines and industrial installations.
Automotive: among other things, for the production of vehicle frames, exhaust systems and cooling system components.
Agriculture: for the construction of masts, poles, grain storage structures, as well as for irrigation systems.
Other: food industry, furniture industry, energy industry and in the construction of ships and drilling platforms.