Hot-dip galvanizing is a process where steel is immersed in molten zinc to form a thick, tightly bonded zinc-iron alloy coating. This method provides superior corrosion resistance and is widely used for outdoor or heavy-duty steel structures.
The typical zinc layer thickness in hot-dip galvanizing ranges from 50 to 100 microns, offering long-term protection even in harsh environments. The coating forms a metallurgical bond with the base steel, making it highly durable and resistant to mechanical damage.
The surface of hot-dip galvanized steel appears matte gray or silver with a crystalline or spangled texture. Although slightly rougher than other coatings, it provides excellent performance in terms of anti-corrosion and service life.
Hot-dip galvanized steel is commonly used in power transmission towers, bridges, guardrails, poles, structural beams, and agricultural equipment where long-lasting corrosion protection is critical.
