How Thick Is 20 Gauge Steel?

By Staff WriterLast Updated Apr 3, 2020 3:33:56 PM ET

Standard 20 gauge steel is .0359 inches thick. Galvanized 20 gauge steel is thicker at .0396 inches and 20 gauge aluminum is thinner at .0320 inches thick. The thickness of a piece of steel is also indicative of its maximum bending capacity.

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