Steel Sheet Thickness Tolerance

Stainless sheet thickness tolerances xls author.

Steel sheet thickness tolerance.

Sheet metal is manufactured and delivered from the processing mill rolled to the standard thickness that you specify which is now metric. Stainless steel sheets sizes in stock. Stainless sheet thickness tolerances. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.

Tolerance under specified thickness 0 01 in. The sheet metal does however have a tolerance on the rolling thickness which needs to be taken into account when designing a tight fitting assembly especially as the sheet metal material gets thicker. Thickness to be measured at 3 8 to 3 4 in. Thickness is measured along the longitudinal edges of the plate at least 3 8inches but not more than 3 inches from the edge.

Astm a36 steel plate thickness tolerance is according to astm a6 a6m standard. During the rolling process the rollers bow slightly which results in the sheets being thinner on the edges. 4 20 2009 11 06 42 am. For thickness measured at any location other than that specified in note 2 the permissible maximum over tolerance shall be increased by 75 rounded to the nearest 0 01 in.

Sheet metal guage tolerances. Astm a36 steel plate thickness tolerance. Contact us to know more about our reference chart in cincinnati louisville. At american metal supply we provide the chart to calculate thickness and sheet tolerance in inches and the weight for various gauges.

For plates up to 10 inches excl in thickness the tolerance under the specified thickness is 0 010. For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter. From the longitudinal edge. 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.

The gauge number 18 holds no relevance to the actual measurements.