Hot-dip galvanizing is the process of dipping fabricated steel into a kettle or vat containing molten zinc. The process is inherently simple which provides a distinct advantage over other corrosion protection methods. While the steel is in the kettle, the iron in the steel metallurgically reacts with the molten zinc to form a tightly-bonded alloy coating that provides superior corrosion protection to steel.
The coating that develops during the galvanizing process is metallurgically bonded to the steel and virtually becoming a part of the steel itself. During the reaction in the kettle, the zinc interacts with the iron in the steel to form a series of zinc-iron alloy layers.
Galvanised coatings on steel can last in excess of 50 years, continually
Protecting steel against corrosive elements.
Galvanised coatings provide a sacrificial protection to the steel.
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Zinc has a self-healing mechanism in it. The zinc coating sacrifices itself slowly by galvanic action to protect the base steel.
Zinc exists naturally in the air, water, and soil in abundance. Furthermore, zinc is essential to all life from the smallest microorganisms to humans. Zinc and steel are both 100% recyclable without the loss of properties making galvanized steel an infinitely renewable material.
Hot-dip galvanizing (HDG) is a proven steel corrosion protection system that transcends time with minimal economic or environmental impact.
Utilizing hot-dip galvanized steel ensures less natural resources are consumed, fewer emissions are output, and less money is spent over the life of a project.