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In addition, if the quality of zinc liquid deteriorates, the iron content in zinc liquid increases, and the pure zinc layer on the surface of galvanized is gray···
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And rust prevention oil should also be selected properly, so as to effectively extend the service life of the steel plate.
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Galvanizing is the process of adding zinc coating to the surface of steel or iron. Because zinc acts as a sacrificial coating, it protects the steel or iron und···
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A meter is 15 kilograms. 75 steel pipe refers to the national standard DN75 steel pipe, and the national standard DN75 steel pipe is 85 mm, the wall thickness i···
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Galvanized steel wire is 45#, 65#, 70# and other high-quality carbon structural steel drawing, and then galvanized.
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