Abstract
In general, the choice of the steel grade is ruled in Eurocode EN 1993-1-1. Several requirements are specified: choice according to the material properties, ductility requirements, toughness properties and through-thickness properties. With reference to these requirements on the mechanical characteristics, modern hot-rolled structural sections are produced by precise control of the temperature during the rolling process. Fine grain steels, produced using thermomechanical rolling (delivery condition M according to EN 10025-4), feature improved toughness values which give a lower carbon equivalent and a fine microstructure when compared with conventional or normalised steels. This paper gives guidance on and background to the right choice of the steel grade according to the Eurocode. Furthermore, the influence of the production process on this choice is highlighted and the advantages of thermomechanical steels for each criterion are discussed.
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References
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Hechler, O., Axmann, G., Donnay, B. (2015). The right choice of steel – according to the Eurocode. In: Petzek, E., Băncilă, R. (eds) Economical Bridge Solutions based on innovative composite dowels and integrated abutments. Springer Vieweg, Wiesbaden. https://doi.org/10.1007/978-3-658-06417-4_2
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DOI: https://doi.org/10.1007/978-3-658-06417-4_2
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