rectangular hollow section

The use of steel tubular sections provides for strong, light and profitable structures and as a result offer a host of possibilities in terms of application (expressive capacity). The use of these products also facilitates designs with a greater aesthetic appeal.

  • - Lighter and more diaphanous structures. Pieces of greater length with fewer joints.
  • - Large spans. More transparent trusses and purlins with the possibility of eliminating transversal bracing.
  • - More slender supports. Fewer sections, which can be reduced even more with the use of tubular sections filled with concrete.
  • - Economical solution. Easily executed direct joints, shorter construction times and easy maintenance, are the results of a correct design and the guarantee of a competitive delivery date and price.
  • - Expressive capacity. Circular, square, rectangular and elliptical sections, a range of wall thicknesses for every dimension of tubular section, absence of sharp edges,etc. These are the elements that provide innovating, wide ranging possibilities forarchitects and engineers.

Compression. For the same centred compression load and under the same conditions tubular sections allow for the use of longer elements than possible

  • - should open sections be used. If pillars are involved, a concrete fill permits to reduce further the amount of sections used.
  • - Torsion. Their stiffness is the highest of all commercial steel sections. For this reason, their behaviour is unbeatable in the case of lateral bulging or warpage.
  • - Bending. Due to the distribution of material on two axes, their behaviour in bending in two directions, is close to that of a beam and better than that of open sections.
  • - Tensile. The use of welded joints throughout their extension means that the resistant section in the joints is used completely, unlike bolted joints or those with gusset plates.
  • - Fatigue. The wide range of mechanical applications in which we can find steel tubular sections are eloquent proof of their perfect behaviour in these conditions.
  • - Fluid-dynamic. Their low opposition to the thrust of fluids allows lighter sections to be used and makes them the perfect element in outdoor or underwater structures, such as posts, masts, towers, cranes, etc.

Protecting steel tubular sections by means of surface coating is easier and more economical than open sections due to the absence of cavities and the lower surface area to be covered.

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