Longitudinal torsion
Longitudinal torsion
Tolerance
V < 1.5° per metre maximum for wall thicknesses < 5 mm V < 1.0° per metre maximum for wall thicknesses ≥ 5 mm
Straightness
Straightness
Tolerance (B and H are the total width and height)
D < 0.002 x L2 for sections with B or B or H < 50 mm D < 0.001 x L2 for sections with B or B or H ≥ 50 mm and &
The following dimensional tolerances for profiles with regard to nominal values, diameters, wall thicknesses, flatness, straightness, longitudinal twist, size of angles, cutting length and cutting