Eight-high rolling mill, tandem rolling mill, and modification method for rolling mill

An eight-high rolling mill comprising:

• one pair of work rolls that roll a strip;
• one pair of first intermediate rolls that have tapered first intermediate roll shoulders at point-symmetrical positions in an up-down axis direction and support the one pair of work rolls;
• one pair of second intermediate rolls that have tapered second intermediate roll shoulders at point-symmetrical positions in the up-down axis direction opposite to those of the first intermediate rolls and support the first intermediate rolls;
• one pair of back-up rolls that support the second intermediate rolls;
• support roll groups or support bearings that are provided on an entry side and/or an exit side in the work rolls;
• first intermediate roll shift devices that shift the positions of the first intermediate roll shoulders in an axis direction so as to align with strip width ends of the strip;
• and
• second intermediate roll shift devices that shift the positions of the second intermediate roll shoulders in an axis direction so as to align with the strip width ends of the strip.