Astm Sheet Metal Thickness Tolerance Chart

Astm ansi mechanical steel sheet mechanical tolerances.

Astm sheet metal thickness tolerance chart.

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. Thickness 36 48 60 title. Tolerance over specified minimum in. Mechanical steel sheet mechanical tolerances.

Specified width in. Astm a480hot rolled sheet coil thickness tolerance. Strip mill plate thickness tolerances thickness in. 36 48 60 72 3 16 181 n a 015 016.

Above tolerances include crown. 4 2242 2332 2152. 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. 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.

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. Astm a240 a480 steel sheet sthickness tolerance. Hr hot rolled cr cold rolled sheet metal gage guage size chart carbon steel sheets. Deviation allowed for the specified width.

Sheet metal guage tolerances. 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. For circles the over thickness tolerances in this table apply to the diameter of the circle corresponding to the width ranges shown. Minimum thickness purchased in.

For plates up to 10 in. Aluminum sheet thickness tolerances xls author. 4 20 2009 11 06 07 am. During the rolling process the rollers bow slightly which results in the sheets being thinner on the edges.