Super Jumbos
Profili pesanti
Informazioni tecniche
I Super Jumbos sono profili estremamente pesanti di flangia larga con spessore della flangia fino a 140 mm (5 pollici e mezzo) e pesano fino a 1377 kg/m (925 libbre/piede). Sono disponibili in acciai ad altissima resistenza, tra cui ASTM A913 / grado 485, 450 e 345 MPa (70, 65 e 50 ksi), ETA-10/0156 / Histar 460, EN 10025 / S460M e in resistenze standard (355 MPa ).
Riduzione di costo & peso
ArcelorMittal offre profili pesanti laminati a caldo a grandi flange con uno spessore di flangia fino a 140 mm, disponibile in gradi di acciaio con resistenze molto elevate oppure normali. Una caratteristica eccezionale di questi acciai ad altissima resistenza è il loro valore equivalente a basse emissioni di carbonio, che consente una lavorazione più facile da parte dei fabbricanti. Per questo motivo, il preriscaldamento prima della saldatura può essere generalmente evitato e ciò porta a notevoli risparmi di tempo e di costi.
Quando il progetto di un elemento non è governato dalla deflessione, l'acciaio ad alta resistenza consente una riduzione media del 20% di peso e dei costi degli elementi strutturali. Questi risparmi si applicano anche all'impronta del carbonio. I profili in acciaio hanno una vita infinita di riciclaggio e un tasso di recupero del 99%.
I profili Super Jumbos sono stati utilizzati con successo in colonne, tralicci, bilancieri e cinture per tralicci per vari progetti in tutto il mondo, tra cui il One World Trade Center di New York (USA), Shanghai World Trade Center (Cina) e la struttura più alta del Burj Khalifa a Dubai (UAE).
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