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Dimensional Tolerances hot-rolled
| Hot-rolled square bar |
Dimensional Tolerances |
Hot-rolled flat bar |
| Dimensional tolerances EN 10059: 2004 |
Dimensional tolerances EN 10058: 2004 |
| Nominal size |
Limit deviation a) |
Hot-rolled |
Nominal width (b) mm |
Limit deviation mm a) |
| mm |
mm |
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> 10 ≤ 40 |
± 0,75 |
| 8 - 14 |
± 0,4 |
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> 40 ≤ 80 |
± 1,0 |
| 15 - 25 |
± 0,5 |
> 80 ≤ 100 |
± 1,5 |
| 26 - 35 |
± 0,6 |
> 100 ≤ 120 |
± 2,0 |
| 40 - 50 |
± 0,8 |
> 120 ≤ 150 |
± 2,5 |
| 55 - 90 |
± 1,0 |
Nominal thickness (a) mm |
Limit deviation mm a) |
| 100 |
± 1,3 |
≤ 20 |
± 0,5 |
| 110 - 120 |
± 1,5 |
> 20 ≤ 40 |
± 1,0 |
| 130 - 150 |
± 1,8 |
> 40 ≤ 80 |
± 1,5 |
| a) When ordering, the total ranges for the permissible deviation may, by agreement, be entirely on the plus side |
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| Twist square bar |
r ≤ corner radius square bar |
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| > 8 ≤ 14 |
4°/ m with a max 24° |
> 8 ≤ 12 |
≤ 1,0 |
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| > 14 ≤ 50 |
3°/ m with a max 18° |
> 12 ≤ 20 |
≤ 1,5 |
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| > 50 |
3°/ m with a max 15° |
> 20 ≤ 30 |
≤ 2,0 |
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> 30 ≤ 50 |
≤ 2,5 |
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| > 50 ≤ 100 |
≤ 3,0 |
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| > 100 ≤ 150 |
≤ 4,0 |
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| Out-of-squareness “u” square bar |
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Out-of-section “u” flat bar |
| ≤ 50 |
1,50 |
Nominal tickness |
Tolerance |
| > 25 ≤ 75 |
2,25 |
>10 ≤ 25 |
0,5 |
| > 75 ≤ 100 |
3,00 |
>25 ≤ 40 |
1,0 |
| > 100 ≤ 150 |
4,50 |
>40 ≤ 80 |
1,5 |
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| square |
flat |
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| Straightness square bar |
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Straightness flat bar |
| ≤ 25 |
no fixed |
Nominal cross-section |
Tolerance in the plane (b) |
| >25 ≤ 80 |
q ≤ 0,40% di L |
< 1000 mmq |
q ≤ 0,40% di L |
| >80 |
q ≤ 0,25% di L |
≤ 1000 mmq |
q ≤ 0,25% di L |
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