Perpendicularity tolerances for copper plates and sheets – EN 13599
Dimensions in millimetres
Specified width | Maximum permissible difference between diagonals, for lengths | |||
|---|---|---|---|---|
| over | up to and including | over 1000 up to 2000 mm inclusive | over 2000 up to 3000 mm inclusive | over 3000 |
| 350 | 700 | 6 | 7 | 8 |
| 700 | 1250 | 8 | 9 | 10 |