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What is galvannealed steel?

April 26, 2017steel

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What is galvannealed steel?

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Galvannealed steel is a carbon steel sheet coated with zinc on both sides by the continuous hot dipped process. Immediately as the strip exits the coating bath, the zinc coating is subjected to an in-line heat treatment that converts the entire coating to a zinc-iron alloy. After post painting with proper selected primers and paints, the combined paint/galvannealed coating offers excellent resistance to peeling, blistering of the paint in addition to long lasting corrosion resistance compared with conventional galvanized sheet.