METHOD FOR HOT-ROLLING A SLAB AND HOT-ROLLING MILL
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United States of America Patent
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Issued Date -
Nov 29, 2012
app pub date -
Dec 6, 2010
filing date -
Dec 23, 2009
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method for hot-rolling a slab (1), especially a steel slab, the slab (1) being subjected to at least two shaping steps at different temperatures in a hot-rolling mill (2), the slab (1) being cooled between two such shaping steps. In order to prevent ferrite from forming too soon during the hot-rolling, the slab (1) is cooled such that the lateral end sections (3, 4) of the slab (1) are cooled with a lower cooling efficiency than a center section (5) of the slab (1). The invention further relates to a hot-rolling mill (2) for hot-rolling a slab.
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