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摘要

The paper presents a method of surface evaluation of steel strips formed by longitudinal cold rolling, carried out by a rolling mill DUO 210 SVa.The experiments were performed on samples of low carbon structural steel in order to determine the impact of grain size of material with respect totechnological parameters, particularly with respect to a rolling reduction and rolling force. Surface roughness of the steel strips was measured at three locationsby an optical profilometer MicroProf FRT. These results were consequently mutually compared.