Astm Sheet Metal Thickness Tolerance Chart

Aluminum sheet thickness tolerances xls author.

Astm sheet metal thickness tolerance chart.

Thickness measurements are taken at least 3 8 inch in from edge of the strip except that on widths less than 1 inch the tolerances are applicable for measurements at all locatons. Tolerance in. Deviation allowed for the specified width. 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.

254 0mm excl in thickness the tolerance under the specified thickness is 0 010 in. Astm a480hot rolled sheet coil thickness tolerance. 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. During the rolling process the rollers bow slightly which results in the sheets being thinner on the edges.

For plates up to 10 in. Strip mill plate thickness tolerances thickness in. Hr hot rolled cr cold rolled sheet metal gage guage size chart carbon steel sheets. Astm ansi mechanical steel sheet mechanical tolerances.

36 48 60 72 3 16 181 n a 015 016. Plus and minus non aerospace applications aluminum technical data sheet and plate thickness tolerances aerospace applications over 59 06 thru 78 74 over 78 74 thru 98 43 over 98 43 thru 118 11 over 118 11 thru 137 80 over 137 80 thru 157 48 over 157 48 thru 177 17 specified thickness in. 4 20 2009 11 06 07 am. Specified width in.

Astm s steel standards are instrumental in classifying evaluating and specifying the material chemical mechanical and metallurgical properties of the different types of steels which are primarily used in the production of mechanical components industrial parts and construction elements as well as other accessories related to them. Minimum thickness purchased in. Thickness 36 48 60 title. Mechanical steel sheet mechanical tolerances.

Above tolerances include crown. Flat bar hot rolled mild steel 3 4x 1 2 550 51 00 1 1 4 3 188 63 76 1 1 2 3 825 76 50 1 3 4 4 463 89 26 2 5 100 102 00 2 1 2 6 375 127 50 3 7 650 153 00 3 1 2 8 925 178 50 4 10 200 204 00 4 1 2 11 480 229 60 5 12 750 255 00 5 1 2 14 030 280 60 6 15 300 306 00 7 17 850 357 00 8 20 400 408 00 7 8x 1 2 975 59 50 1 1 4 3 719 74 38 1 1 2 4 463 89 26 1 3 4 5 206 104 10 2 5 950 119 00 2 1 4 6. Astm a240 a480 steel sheet sthickness tolerance. Sheet metal guage tolerances.