Geometric tolerances Thickness tolerances   Tolerance for widths   Max. tolerance on the nominal thickness +/- 0.020 mm Standard width +/- 1 mm Slit width* 0/- 0.2 mm Max. difference in thickness parallel to the direction of rolling within a sheet or in a length of strip of 1,500 mm 0.025 mm > 150 - 400 mm 0/- 0.3 mm > 400 - 750 mm 0/- 0.5 mm Max. difference in thickness perpendicular to the direction of rolling at a minimum distance of 40 mm from the edges 0.020 mm > 750 - 1,000 mm 0/- 0.6 mm * Plus tolerances must be stipulated with order.