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Publication of BE517441ApublicationCriticalpatent/BE517441A/fr
C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
C21D8/10—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
B—PERFORMING OPERATIONS; TRANSPORTING
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
СПОСОБ ПРОИЗВОДСТВА ШЕСТИГРАННЫХ ТРУБ-ЗАГОТОВОК РАЗМЕРОМ 257+2,0/-3,0×6,0+2,0/-1,0×4300+80/-30 мм ДЛЯ ХРАНЕНИЯ И ТРАНСПОРТИРОВКИ ОТРАБОТАННОГО ЯДЕРНОГО ТОПЛИВА