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It can be divided into two types of in-line annealing and out-of-line annealing, which are also called protective gas method and flux method.
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There are three types of electrogalvanizing, hot-dip galvanizing and coating galvanizing.
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Hot galvanized sheet is mainly used in construction.
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The thickness of ordinary galvanized sheet is 0.4~2.0.
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Galvanized sheet has good corrosion resistance, galvanized layer is relatively thick, even if long-term outdoor use can also avoid rust and other problems. Dail···
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