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Application filed by Нікопольський Південнотрубний Завод, Никопольский Южнотрубный ЗаводfiledCriticalНікопольський Південнотрубний Завод
Priority to UA93006750ApriorityCriticalpatent/UA26070C2/en
Publication of UA26070C2publicationCriticalpatent/UA26070C2/en
A method of periodic rolling thin-walled tubes made of stainless steel includes initial heating in an inductor of a tube billet to 300 °C, its portioned supply into the deformation site and deformation along diameter and wall thickness in a groove formed by passes of rolls of variable section, on a conical mandrel. Each of the end sections of tube billet with length, which makes (24 y 40) of the value of its feed, is heated to the temperature equal to (0,3 0,5) of its initial value.
UA93006750A1993-02-221993-02-22
METHOD OF PERIODIC ROLLING OF STAINLESS STEEL PIPES
UA26070C2
(en)