In the production process of hot-dip galvanized steel sheets, continuous hot-dip galvanizing is commonly used. The process of continuous hot-dip galvanizing can be simply described as: Original plate> pre-plating treatment (cleaning and annealing)> hot-dip galvanizing> post-plating treatment (such as spangle treatment, alloy treatment and chemical treatment, etc.)> finished product.
1. Low processing cost: the cost of hot-dip galvanizing and rust prevention is lower than that of other paint coatings;
2. Durable and durable: In the suburban environment, the standard hot-dip galvanized anti-rust thickness can be maintained for more than 50 years without repairing; in the urban area or offshore area, the standard hot-dip galvanized anti-rust layer can be maintained for 20 years. No need to repair;
3. Good reliability: The galvanized layer and the steel are metallurgically bonded and become a part of the steel surface, so the durability of the coating is more reliable;
4. The coating has strong toughness: the zinc coating forms a special metallurgical structure, which can withstand mechanical damage during transportation and use;
5. Comprehensive protection: every part of the plated parts can be plated with zinc, even in recesses, sharp corners and hidden places can be fully protected;
6. Time-saving and labor-saving: the galvanizing process is faster than other coating construction methods, and it can avoid the time required for drawing on the construction site after installation;
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