Abstract

At OAO Ural’skaya Stal’, the profile of 270 × 1200 mm continuous-cast slab is often distorted: the narrow faces become convex and the broad faces become concave near the edge. The dependence of the distortion on the length of the system supporting the billet’s narrow faces is investigated. Statistically significant relationships are established between the distortion parameters. A mechanism is proposed for the distortion of the billet with the existing supporting system for the slab’s narrow faces under the mold. Measures for preventing slab distortion are considered.

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