FIELD: foundry, namely metal continuous casting. SUBSTANCE: method comprises steps of supplying metal to mold at double-phase state of metal containing solid phase in quantity 40 - 50% of mixture. Metal is fed to mold uniformly by streams along perimeter of mold between central rod and walls. In plant for making continuous deformed hollow billets casting vessel is cylindrical one; it is in the form of heat pipe inside which piston with motion drive is mounted. There are uniformly arranged openings with diameter d = 5 - 7 mm in bottom of casting vessel. Rotary grid with holes is arranged in lower portion of casting vessel. Spacings L1, L2 between openings of casting vessel, width " " of window of platform and spacing A between windows of platform satisfy to relations: L1/B = 0.7 - 0.9; L2/A = 1.15 - 1.25. Plant for making continuous deformed hollow billets is provided in addition with system for automatically controlling speed of billet movement and of piston motion in casting vessel. EFFECT: enhanced efficiency and operational reliability of plant, high quality of billets, enlarged assortment of melt alloys and cross sections of billets. 2 cl, 3 dwg
