Galvanized Steel Sheet Thickness Tolerance
The range of the tolerance minimum thickness to maximum thickness in each gauge range decreases as the sheet material becomes thinner on its nominal or mean thickness.
Galvanized steel sheet thickness tolerance. 10 1382 1472 1292. Gauges 10 11 12 tolerances shown are for widths over 40 to 60 inclusive. Continuous sheet galvanized coating specifications english. Hr hot rolled cr cold rolled.
The tolerances in the table and attachments reflect current manufacturing practices and commercial standards and are not representative of the manufacturer s standard gauge which has no inherent tolerances. Both types of steel sheet have tolerance ranges. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters. For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter.
And astma653 a653m 94 standard specification for sheet steel zinc coat galvanized or zinc iron alloy coated galvanized by the hot dip process. Steel sheet thickness tolerances hot rolled h r p o cold rolled galvanized. Aisi thickness tolerance ranges galvanized steel sheets thinkness. Conversion data chart standard gauges chart gauge tolerance chart useful data page.
Tolerances shown are for 48 wide sheets. All other gauges tolerances shown are for width over 32 to 60 inclusive. The following charts give typical astm and ansi steel sheet mechanical tolerance ranges. Thickness inches thickness inches galvanized galvannealed aluminized sheet.
Per square foot per inch thick. Galvanized sheet thickness tolerances thickness in inches weight thickness in millimeters gage min. However the range of tolerance on hot rolled sheet is much wider than the range found on cold rolled sheet. Galvanized steel tool steel aluminum brass bronze and copper.
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