Perpendicularity tolerances for hot-rolled products
Perpendicularity tolerances for hot-rolled thin and thick sheets EN 485-3:2003
Dimensions in millimetres
| Specified length | Perpendicularity tolerance for a specified width | ||||
|---|---|---|---|---|---|
| Above | Up to and including | Up to 1000 including | Over 1000 up to 1500 including | Over 1500 up to 2000 including | Over 2000 up to 3500 including |
| - | 2000 | 6 | 7 | 8 | — |
| 2000 | 3000 | 7 | 7 | 9 | 10 |
| 3000 | 3500 | 7 | 8 | 10 | 10 |
| 3500 | 5000 | 8 | 10 | 10 | 12 |
| 5000 | - | 12 | 12 | 15 | 15 |
The perpendicularity tolerances of the edges for thin and thick sheets are specified in the table.
The edge perpendicularity tolerance is expressed as the maximum permitted difference between the lengths of the diagonals AA and BB, as shown in the figure.

Measuring perpendicularity
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