ProZinco

Hot-Dip Galvanizing: Technology, Strength and Sustainability
That Protect Steel

At Projeart, innovation and quality go hand in hand. That is why we have adopted hot-dip galvanizing as an essential part of our production process, a technology that raises the performance of steel structures, ensuring durability, strength and sustainability in every project.

Internationally Certified Quality

Projeart strictly follows national and international hot-dip galvanizing standards, ensuring that every part meets the highest standards of performance and safety.

These standards detail the requirements for the process and for product acceptance, including zinc coating thickness, appearance, finish and repairs.

The main standards applied by Projeart are:

  • NBR 6323 – Brazilian standard for hot-dip galvanizing;
  • ASTM A123 – American standard that defines the technical criteria of the process;
  • ISO 1461 – International (European) standard that sets quality requirements and control methods.

Based on these guidelines, each stage is carried out with precision and strict control, ensuring high-performance corrosion protection and full reliability.

 

Hot-dip galvanizing process, zinc coating layers, and immersion tank dimensions

Mechanical strength and cathodic protection

Hot-dip galvanizing is carried out at 450 °C, forming a highly adherent, resistant zinc layer capable of withstanding impacts and extreme conditions. This layer provides cathodic protection, which means that even with minor damage the steel stays protected, ensuring a complete and lasting defense against corrosion.

Extended service life and low maintenance

The result is a steel structure with a service life that can exceed 50 years, keeping its original characteristics for decades, even in aggressive environments. Beyond durability, galvanized parts require minimal maintenance, which means time savings and a significant cost reduction over the life of the project.

Lower total cost and better performance

Compared to other corrosion protection methods, hot-dip galvanizing has the lowest total investment cost. With durability that can reach 50 years, it eliminates repainting and rework costs, ensuring greater operational efficiency and long-term return.

Complete corrosion protection

The hot-dip galvanizing process ensures full coating, protecting all external and internal steel surfaces. This means uniform, reliable resistance, ideal for steel structures exposed to harsh environments, such as industrial, port, energy and logistics projects.

Sustainability that creates value

Hot-dip galvanizing is also an environmentally responsible solution. The materials used, steel and zinc, are natural, abundant and 100% recyclable, making galvanized steel a renewable, sustainable option. Investing in galvanizing means investing in longevity, efficiency and respect for the environment.

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