The perfection of cold formed with all the benefits of hot finished 11 SECTION SHAPE: zero eccentricity, • uniform wall thickness and weight along the whole length of the single tube or hollow section and no differences between one and another WELDING ASPECT: welding and heat affected zone completely transformed; • (optionally) inner seam can be removed upon request, • control of the position of the internal welding seam, always at the center of the larger side SURFACE: better surface aspect and finishing, • scale-free, • low roughness. CORNER RADII: precise and tight corner profile, • external radius < 2 x T (stricter than the standard requirement: radius ≤3xT). • same thickness on the side and corner of the section; • no residual stress, same structure, same hardness as the base material
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