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3. Corrosion Mechanisms, Prevention, and Testing

G60 [Z180] means that the coating weight [mass] is 0.60 oz/ft2 [180 g/m2], minimum (total coating on both sides of the sheet). This coating weight [mass] can be translated into thickness; a G60 [Z180] coating of zinc is about 0.00055 in. [0.014 mm] per side of the sheet.