METHOD OF PRODUCTION OF REINFORCEMENT DIE-ROLLED SECTIONS

FIELD: metallurgy; production of reinforcement die-rolled sections in continuous and wire and section mills. SUBSTANCE: proposed method includes heating the blank and rolling it to required size, inter-deformation cooling of work-piece and after-deformation cooling of finished section to temperature...

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Bibliographische Detailangaben
Hauptverfasser:	ANIKEEV S.N, KHABIBULIN D.M, MOROZOV S.A, URTSEV V.N, BERDICHEVSKIJ JU.E, VORONKOV S.N
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
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Beschreibung
Zusammenfassung:	FIELD: metallurgy; production of reinforcement die-rolled sections in continuous and wire and section mills. SUBSTANCE: proposed method includes heating the blank and rolling it to required size, inter-deformation cooling of work-piece and after-deformation cooling of finished section to temperature found from the following expression: , where t0 is temperature of after-deformation cooling, C; tn is temperature of inter= deformation cooling, C; sigmay.p. is minimum permissible magnitude of yield point, Mpa; sigmaul.st. is minimum permissible magnitude of ultimate strength, Mpa; delta5 is minimum permissible magnitude of relative elongation, %; Ceg is carbon equivalent determined by the following formula: Ceg= C+Mn/6+Si/7, where C, Mn and Si is contents of carbon, manganese and silicon. EFFECT: enhanced strength and ductility of die-rolled sections. 2 tbl, 1 ex