| |
| Property | Tolerance |
|---|
Profile height and width of flange
 | Nominal dimensions (mm)
- B and H: ± 0,5 %
with minimum ± 0,20 mm
- B and H: ± 0,5 %
with maximum ± 0,75 mm | Diametre of Rods and Tubes
| D, d (mm) | ΔD | Δd | 0 - 10
10 - 20
20 - 50
50 - 100
100 - | ± 0,20
± 0,30
± 0,35
± 0,40
± 0,45 | ± 0,20
± 0,30
± 0,35
± 0,40
± 0,45 | Wall-thickness of open
and closed profiles
 | Nominal dimensions (mm) | | Thickness | T1 | T2 | 0 - 2
2 - 5
5 - 10
10 - | ± 0,15
± 0,20
± 0,35
± 0,45 | ± 0,30
± 0,35
± 0,45
± 0,50 | Flatness in transverse direction
 | Tolerance
F < 0,008 X B mm | Size of angle
 | Tolerance
Y ± 1,5° | Straightness
 | Tolerance (B and H are overall
breadth and height dimensions)
- D < 0,002 x L2 for sections
with B or H < 50 mm
- D < 0,001 x L2 for sections
with B or H ≥ 50 mm and < 100 mm
- D < 0,0005 x L2 for sections
with B or H ≥ 100 mm | Twist
 | Tolerance
- V < 1,5° per metre maximum
for thickness < 5 mm
- V < 1,0° per metre maximum
for thickness ≥ 5 mm | Length of cut
 | L + 20 / - 0 mm | Angularity of cut
 | V ± 1,5° |
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