Hot Dipped Galvanized

Process to coat steel to offer environmental resistance to corrosion.

Steel is dipped into a bath of molten zinc, typically kept at a temperature of 443°C to 454°C.

Zinc coating thickness varies and is designated by a G series, such as G60 or G90 or in the metric system as a Z series.

The imperial system relates to hundredths of ounces per square foot and the metric system to g per square metre.

G90 = 0.90 oz/ft2 = Z275 g/m2

See also: Galvanize, Hot Dip, Zinc.

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Subjects: Materials