Process and installation for producing steel strips and sheets

Details Process and installation for producing steel strips and sheets Process and installation for producing steel strips and sheets

B - Operations, Transporting

21

B

B21B 1/46 (2006.01) B21B 1/26 (2006.01) B21B 27/00 (2006.01) B21B 27/10 (2006.01) B21B 28/04 (2006.01) B21B 45/00 (2006.01) B21B 45/02 (2006.01) B21B 45/08 (2006.01)

Patent

CA 2423097

The invention relates to a method for producing metal strips and sheets involving the following method steps: pouring a strand, which is provided in the form (1) of thin slabs and which is comprised of carbon steel or special steel, into a casting machine (4) and rolling the cast product away from the casting heat. The aim of the invention is to utilize free capacities of existing installations, that is, installations not operating at full capacity, with which primary carbon steels are produced, in order to supplement other types of steel or to supplement cast products produced in another manner. To this end, the invention provides that, together with these first cast products (1), at least second cast products (2), which are produced in a second process route (II) from special steel if the first thin slabs are cast from carbon steel or are produced from carbon steel if the first thin slabs are cast from special steel, are rolled within a joint rolling program.

L'invention concerne un procédé permettant de produire des feuillards et des tôles en acier, qui comprend les étapes suivantes : couler une barre de coulée en format de brames minces (1) à base d'acier au carbone ou d'acier spécial dans une machine de coulée (4), puis laminer le produit de coulée hors de la chaleur de coulée. L'invention vise à exploiter les capacités libres d'installations existantes et à compléter des installations qui ne sont pas utilisées à pleine capacité et qui servent à l'origine à produire des aciers au carbone, afin de compléter d'autres sortes d'acier ou des produits de coulée obtenus autrement. A cet effet, il est prévu de laminer dans le cadre d'un programme de laminage commun, conjointement avec ces premiers produits de coulée (1), au moins de seconds produits de coulée (2) fabriqués dans une seconde route de traitement (II) à partir d'acier spécial, lorsque les premières brames minces sont coulées à partir d'acier au carbone ou à partir d'acier au carbone, lorsque les premières brames sont coulées à partir d'acier spécial.

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