The invention relates to a process for increasing the range of production of an installation for cold rolling of metallic strip, consisting of at least two rolling stands (L1, L2) operating in tandem.According to the invention, at least one (L1) of the rolling stands is equipped with means of converting the stand configuration, while keeping the same means (15, 16, 3, 3') of applying the rolling force, in order to have at least two configurations available, each corresponding to one production range, and the configuration of said convertible stand L1 is selected to match the data of the product (M) to be rolled, thus allowing the production range to be increased.