Method of producing metal beams with a top-hat profile
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United States of America Patent
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Issued Date -
Apr 6, 2023
app pub date -
Jan 20, 2021
filing date -
Mar 11, 2020
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Abstract
A method for producing metal beams having a top-hat profile comprises the hot rolling of slabs (13), ingots (12), billets, preliminary profiles (14) or similar semifinished products in a rolling train. The rolling train comprises at least two roll stands. Using at least two shaping passes during a single rolling process in a number of rolling stations at hot-rolling temperature, preferably simple irregular pass design turns an entering cross section (10) of a one-part semifinished product into an exiting cross section having a top-hat profile (A), which corresponds geometrically more or less to the profile of the finished product.
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