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

A surface temperature of a slab is decreased down to 600 °C or lower between start of continuous casting (step S2) and start of slab reheating (step S3). The surface temperature of the slab is held at 150 °C or higher between the start of the continuous casting (step s2) and the start of the slab re...

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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:	A surface temperature of a slab is decreased down to 600 °C or lower between start of continuous casting (step S2) and start of slab reheating (step S3). The surface temperature of the slab is held at 150 °C or higher between the start of the continuous casting (step s2) and the start of the slab reheating (step S3) . The surface temperature of the slab in the slab reheating (step S3) is set to not lower than 1080 °C and not higher than 1200 °C.