You do not know the steel structure galvanized square pipe
Galvanized square pipe of steel structure, as an important pipe in steel structure, its application scope is expanding day by day.
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Galvanized square pipe of steel structure, as an important pipe in steel structure, its application scope is expanding day by day.
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Galvanized square pipe is divided into hot-dip galvanized square pipe and cold-galvanized square pipe according to the production process.
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Galvanized square rectangular tube reacts with metal and iron matrix to form an alloy layer, which binds the substrate to the coating. Hot dip galvanizing is to···
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