Abstract
In the structual shape mill at Kashima Steel Works of Sumitomo Metal Industries, Ltd., all large H-beams ranging up to H900×300 and H500 ×500 have been produced by rolling 250-mm thick continuously cast slabs in one heat with a new split rolling method.Compared with the conventional rolling method which starts from ingots, the rolling yield has raised by 10% and the energy consumption has been significantly improved.
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