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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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Galvanized steel pipe with pipe diameter greater than 100mm should be connected with flange or sleeve special pipe fitting.
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Galvanized square pipe from the production process is divided into hot galvanized square pipe and cold galvanized square pipe.
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Shoddy galvanized pipe is easy to scratch, the reason is that shoddy galvanized pipe manufacturers simple equipment, easy to produce burrs, scratch the steel su···
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Hot dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.
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