By moving the rolls closer together and passing the ingot between them, the thickness is reduced and the length is increased.
"Flat-rolled products" is in the CPC Code "4121"
Flat-rolled products of iron or steel, not further worked than hot-rolled
Other Database Pages Exist for this Phrase:
Aluminum (Aluminum makes reference to the most common ...)
Aluminum plate (Aluminum plate refers to a flat-rolled product, ...)