PRODUCTION OF HOT ROLLED STEEL PLATE EXCELENT IN DEEP DRAWABILITY AND DUCTILITY, AND EQUIPMENT LINE FOR PRODUCING THIS HOT ROLLED STEEL PLATE

PURPOSE: To produce a steel plate, having characteristics comparable to those of the cold rolled steel sheet prepared by means of cold rolling and annealing, only by means of hot rolling stage, by applying α-region hot rolling to a steel of specific composition and then applying specific thermal hys...

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Bibliographische Detailangaben
Hauptverfasser: KOYAMA KAZUO, KIKUMA TOSHIO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE: To produce a steel plate, having characteristics comparable to those of the cold rolled steel sheet prepared by means of cold rolling and annealing, only by means of hot rolling stage, by applying α-region hot rolling to a steel of specific composition and then applying specific thermal hysteresis to the resultant rolled steel plate before coiling. CONSTITUTION: A steel, which has a chemical composition containing, by weight,