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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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