PRODUCTION OF GRAIN ORIENTED SILICON STEEL SHEET

PROBLEM TO BE SOLVED: To control slab heating temp. to the low one equal to that for common steel and to stably produce a steel sheet uniform in magnetic properties in the longitudinal direction without executing a nitriding stage by controlling the temp. difference between the temp. of the top part...

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Bibliographische Detailangaben
Hauptverfasser:	ONO TOMOMUTSU, HIRASHIMA KOICHI, YAMAMOTO ATSUSHI, TOGE TETSUO
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INDUCTANCES MAGNETS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To control slab heating temp. to the low one equal to that for common steel and to stably produce a steel sheet uniform in magnetic properties in the longitudinal direction without executing a nitriding stage by controlling the temp. difference between the temp. of the top part in the longitudinal direction and the temp. of the tail part in hot rolling for a slab as to the temp. in which a grain oriented silicon slab having a specified compsn. contg. C, Si, Mn, Al and N is subjected to hot rolling. SOLUTION: As to the production of this steel sheet, a grain oriented silicon slab is heated at