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Hot-dip Galvalume Steel Sheet
Galvanized metal sheets are made of steel coated with a zinc coating to prevent corrosion. This type of metal sheet is often used in outdoor applications such as roofing and siding because it is very durable and rust-resistant. It is also relatively inexpensive compared to other metals, making it a popular choice for many projects. The coating of hot-dip galvalume steel plates contains aluminum and zinc. Both metals have high chemical stability and can form a dense oxide film to prevent corrosive media from intruding into the interior of the steel plate. In addition, aluminum and zinc can also form intermetallic compounds with the iron in the steel plate, further improving the corrosion resistance of the steel plate.
