FIELD: metallurgy and mechanical engineering; applicable in production of metal materials such as sheets, thin strips, wire, sections, rods and plates with bright unoxidized surface. SUBSTANCE: pickling transfer line includes pickling and rinse baths, deforming device installed in front of pickling bath to ensure plastic deformation of material metal base under layer of scale. Deforming device configuration is governed by material shape. EFFECT: considerable increase of pickling rate of metal materials with simultaneous improvement of surface quality, reduced time for pickling up to full removal of scale, higher efficiency of surface preparation process. 4 cl
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