METHOD FOR MANUFACTURING STEEL SHEET

A method for manufacturing a steel sheet, including annealing a steel raw material having an Si content of 1.0 mass % or more and a Cr content of 1 mass % or less, under a condition satisfying:a following formula 1A if the Cr content of the steel raw material is 0.2 mass % or more and 0.6 mass % or...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	MAEKAWA, Shuya, OTOMO, Ryosuke, NAKAKUBO, Shohei
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A method for manufacturing a steel sheet, including annealing a steel raw material having an Si content of 1.0 mass % or more and a Cr content of 1 mass % or less, under a condition satisfying:a following formula 1A if the Cr content of the steel raw material is 0.2 mass % or more and 0.6 mass % or less:0.19≤exp⁡(-10770T+273)t≤0.75Cr[%]+0.48Formula⁢1⁢Aa following formula 1B if the Cr content of the steel raw material is less than 0.2 mass %:0.19≤exp⁡(-10770T+273)t≤0.63Formula⁢1⁢Bor a following formula 1C if the Cr content of the steel raw material is more than 0.6 mass % and 1.0 mass % or less:0.19≤exp⁡(-10770T+273)*t≤0.93Formula⁢1⁢Cwhere in the formulas 1A, 1B, and 1C, T is 500° C. or higher and a soaking temperature (° C.) during annealing, t is a soaking time (seconds) during annealing, and Cr [%] is the Cr content (mass %) of the steel raw material.