| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot-rolling mill or the like for smoothly manufacturing the hot-rolled steel sheet of fine grain steel plate. SOLUTION: CVC mills 1, 2, 3 having three stands are arranged in a front stage and different diameter roll mills 4, 5, 6 having three stands are arranged in the rear stage. Moreover, on each outlet side of the different diameter roll mills 4, 5, 6 in the rear stage, curtain wall type cooling means 7A, 7B, 7C for a rolled stock P are arranged.
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