Method for treating steel for directional electromagnetic steel plate and method for producing directional electromagnetic steel plate

The surface temperature of a slab is reduced so as not to exceed 600 DEG C from the start of the continuous casting (step S2) to the start of the slab reheating (step S3). The surface temperature of the slab is maintained at a temperature of at least 150 DEG C from the start of continuous casting (s...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO NORIHIRO, USHIGAMI YOSHIYUKI, KUMANO TOMOJI, NAKAMURA SYUUICHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 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 MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS POWDER METALLURGY PUNCHING METAL ROLLING OF METAL SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The surface temperature of a slab is reduced so as not to exceed 600 DEG C from the start of the continuous casting (step S2) to the start of the slab reheating (step S3). The surface temperature of the slab is maintained at a temperature of at least 150 DEG C from the start of continuous casting (step S2) to the start of slab reheating (S3). The surface temperature of the slab during slab reheating (step S3) is maintained between 1080 DEG C and 1200 DEG C.