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For galvanized coils, the sheet steel is immersed in a molten zinc bath to make a sheet of zinc coated on its surface. Ana amfani da shi ta ci gaba da ci gaba da tsarin galvanizing, wato, farantin karfe yana ci gaba da nutsar da farantin karfe tare da zinc da aka narke don yin farantin karfe; alloyed galvanized steel plate. This kind of steel plate is also manufactured by hot dip method, but immediately after being out of the tank, it is heated to about 500 ℃ to form an alloy coating of zinc and iron.