Cooling system for hot-rolled steel strip

A cooling system for a hot-rolled steel strip, comprising:

• a guide provided on a delivery side of a work roll in a last stand of a hot finishing mill line, the guide including a large number of jet holes formed in the guide and a guide face for guiding a rolled material, leaving from the work roll, in a conveyance direction of the rolled materials;
• roll cooling nozzles provided, on the delivery side of the work roll, for jetting cooling water to the work roll;
• and
• rolled material cooling nozzles attached to a nozzle block, for jetting cooling water directly to the rolled material through the jet holes, wherein
• the guide is swingably coupled by pins to the nozzle block via brackets, and is urged by a weight placed on a proximal end of the guide or by own weight of the guide such that a distal end of the guide is always brought in contact with a surface of the work roll, and capable of advancing and retreating in the conveyance direction of the rolled material via the nozzle block, and
• the roll cooling nozzles are attached to the nozzle block.