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Schöttler, Joachim; Maiwald, Thorsten; Linke, Gunnar

Production of Directly Quenched High-Strength Hot-Rolled Strip Steels - Influence of Rolling and Cooling Conditions on Mechanical Properties and Flatness

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  • Medientyp: E-Artikel
  • Titel: Production of Directly Quenched High-Strength Hot-Rolled Strip Steels - Influence of Rolling and Cooling Conditions on Mechanical Properties and Flatness
  • Beteiligte: Schöttler, Joachim; Maiwald, Thorsten; Linke, Gunnar
  • Erschienen: Trans Tech Publications, Ltd., 2016
  • Erschienen in: Materials Science Forum, 854 (2016), Seite 29-34
  • Sprache: Nicht zu entscheiden
  • DOI: 10.4028/www.scientific.net/msf.854.29
  • ISSN: 1662-9752
  • Schlagwörter: Mechanical Engineering ; Mechanics of Materials ; Condensed Matter Physics ; General Materials Science
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: The production of hot-rolled sheets of high-strength and wear-resistant special structural steels by direct quenching from the rolling heat is a cost effective and energy-saving alternative to traditional production via downstream quenching the previously cut-to-length plates. Reaching the required strength and toughness parameters in combination with best flatness of the sheets requires strict compliance with the pre-set rolling and cooling conditions over the entire strip width. Using two high-strength low-alloyed steels, plant trials have been carried out to study the effect of the cooling conditions and the coiling temperature on mechanical properties, impact toughness and flatness of cut-to-length sheets made of hot-rolled strip. The results showed that by applying optimized cooling pattern and low coiling temperatures, high-strength steel sheets with outstanding mechanical properties and good flatness can be produced.