Tolerances on flatness for steels with a specified minimum yield strength Re ≤ 300 MPa
(category A)
| Nominal Thickness t |
Nominal Width w |
Tolerances on flatness | Special tolerances on flatness |
| t ≤ 2,00 | w ≤ 1 200 | 18 | 9 |
| 1 200 < w ≤ 1 500 | 20 | 10 | |
| w > 1 500 | 25 | 13 | |
| 2,00 < t ≤ 25 | w ≤ 1 200 | 15 | 8 |
| 1 200 < w ≤ 1 500 | 18 | 9 | |
| w > 1 500 | 23 | 12 |
Tolerances on flatness for steels with a specified minimum yield strength 300 MPa < Re 900 MPa (categories B, C and D)
| Nominal Thickness t |
Nominal Width w |
Tolerances on flatness for category | ||
| 300 MPa < Re ≤ 360 MPa | 360 MPa < Re ≤ 420 MPa | 420 MPa < Re ≤ 900 MPa | ||
| t ≤ 25 | w ≤ 1 200 | 18 | 23 | shall be agreed at the time of enquiry and order |
| 1 200 < w ≤ 1 500 | 23 | 30 | ||
| w > 1 500 | 28 | 38 | ||