A method for producing hot-rolled strip by means of strip casting with over the strip cross section and the strip length adjustable material properties

摘要

A method for producing hot-rolled strip made of steel with over the strip cross section and the strip length adjustable material properties, wherein a steel melt (8) by means of a task system to a lateral boundaries (12, 12 '') is continuous cast strip (5) of a horizontal strip casting plant is fed to a roughed strip solidifies and subsequently subjected to a hot-rolling operation, wherein at least two melts with different alloy composition in this way to the cast strip (5) are applied that both melts (8, 8'') on the cast strip (5) are bonded to a composite casting strand (11) combining and, in doing so, the alloying constituents of the melts (8, 8 '') at least in the contact regions, mix with one another, wherein the supply to the cast strip (5) via the task system takes place in such a way that this initially with a melt is being filled, the melt before the application to the cast strip (5) in at least two meltstreams divided and the respective target alloy according to the division and in front of the object on the cast strip (5) is set by the addition of alloying elements.