Galvanized square pipe is a hollow square cross-section steel pipe with a square cross-section shape and size made from hot-rolled or cold-rolled galvanized strip steel or galvanized coil plate, which is formed by cold bending and then high-frequency welding.

Cold rolling is rolling at recrystallization temperature, but it is generally understood to mean rolling using room temperature rolling materials.

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Color-coated coils use hot-dip galvanized sheets, hot-dip galvalume sheets, electro-galvanized sheets, etc. as substrates.

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With the development of industrial production, hot-dip galvanizing products have been used in many industries. The advantages of hot-dip galvanizing include long anti-corrosion period and wide adaptability. It has always been a very popular anti-corrosion solution.

Galvanized steel coils use hot-rolled steel strips or cold-rolled steel strips as the base material, and undergo a continuous hot-dip galvanizing process to produce galvanized steel coils.

Hot-dip galvanizing is also called hot-dip galvanizing. It melts the zinc hot-dip ingot at high temperature, puts in some auxiliary materials, and then immerses the metal components in the galvanizing tank to attach a layer of zinc to the metal components.