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HomeChoice of steel material to avoid brittle fracture for hollow section structures
Choice of steel material to avoid brittle fracture for hollow section structures
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European cold-formed hollow sections in general exhibit better toughness properties than required by EN 10219. However, limits in applying the toughness related rules for the choice of steel material in EN 1993 1 10 to cold-formed hollow sections still constitute barriers to free marketing. By requests from European producers a conservative assessment procedure has been developed which is based on toughness measurements and a concept using effective strains. Due to the cold-forming process such plastic strains may occur in the bent areas of the profiles associated with a noticeable reduction in material toughness. For the degradation of these toughness properties an appropriate temperature shift ΔTcf has been derived for both circular and rectangular hollow sections. In order to guarantee the proper application of this temperature shift Table 2.1 in EN 1993 1 10 had to be extended to lower temperatures down to -120 °C.
- Published:
- Corporate author(s): Joint Research Centre (European Commission)
- Personal author(s): Langenberg, P ; Iglesias, G ; Acun, B ; Ritakallio, G ; Krampen, J ; Pope, R ; Kühn, B ; Amorim-Varum, H ; Pinto, A ; Puthli, R. S ; Dahl, W ; Kouhi, J ; Stranghöner, N ; Packer, J. A ; Sedlacek, Gerhard ; Eichler, B ; Feldmann, Markus
- Themes: Industrial research and development , Research policy and organisation
- Subject: building industry , building materials , building regulations , harmonisation of standards , iron and steel industry , iron and steel product , research report , resistance of materials , standardisation , technical standard
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| ISSN 1831-9424 | ISBN 978-92-79-61761-4 | DOI 10.2788/463273 | Catalogue number LB-1A-25400-EN-N |
- Released on EU Publications:
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