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Perfil hueco rectangular ERW de alta resistencia en S355J2H (antiguo ST52 / St52-3). Límite elástico mínimo aprox. 355 MPa y tracción típica 490–630 MPa. Perfiles huecos EN 10219. Tamaños habituales de unos 20×40 a 200×300 mm, paredes de unos 1,5 a 10 mm. Longitud estándar 6 m. Para construcción, vigas de grúa, bastidores de maquinaria y fabricación pesada.
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283 tallas disponibles
ST52 rectangular hollow sections in S355J2H (EN 10219) give the same high-yield, −20 °C impact package as ST52 square box, with the directional stiffness of an RHS. Used for crane beams, long-span frames, and heavy machine chassis where S235 would need a larger section.
Match wall and outer size to the load case; the extra yield often lets you drop a wall thickness versus S235 at the same envelope. For furniture, conveyors, or tight-tolerance assembly, cold-rolled CR rectangular tube is the better surface and tolerance choice — it is not a structural S355 substitute.
6 m stock, quoted per length. Send A × B × wall, quantity, and destination in a quote request; mill certificates to EN 10204 3.1 on request.
S355J2H (ST52)
EN 10219
Acero
Perfil Rectangular Hueco S355J2H
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