FIELD: metallurgy. SUBSTANCE: unit has mold, mandrel, drive shaft and arbor with flattening rolls being level with the mold cavity having a portion expanded and tapering from top to bottom. The axes of the rolls are arranged at an angle ranging from 1 to 5° in the tangent plane of the mandrel axis. The drive shaft is positioned in the mandrel in a coaxial relation to it. The cavity of the mold has top and bottom cylindrical portions which diameters are in the ratio 1.05 - 1.5. These portions have a cone one interposed between them. EFFECT: higher quality of billets, more accurate dimensions of product. 2 cl, 3 dwg
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