PRODUCTION OF STEEL MATERIAL FROM INGOT

PURPOSE:To produce a steel material having uniform internal quality and superior toughness by dispersing and reducing the segregation of the alloy elements and impurity elements existing in a continuously cast ingot by heating, hot working and heat-treating stages under specific conditions for the i...

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Bibliographische Detailangaben
Hauptverfasser:	IMAI SHIROU, KONNO TAKAHARU
Format:	Patent
Sprache:	eng
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:	PURPOSE:To produce a steel material having uniform internal quality and superior toughness by dispersing and reducing the segregation of the alloy elements and impurity elements existing in a continuously cast ingot by heating, hot working and heat-treating stages under specific conditions for the ingot until it is made substantially harmless. CONSTITUTION:Sufficient working of >=20% reduction of area is applied to an ingot of >=A3 transformation point and