STAINLESS STEEL SHEET AND PRODUCTION METHOD FOR THE SAME

PROBLEM TO BE SOLVED: To provide a metastable austenitic stainless steel sheet having high strength and high fatigue characteristic, and superior workability as well, and also provide the method to produce the same without needing additional costs. SOLUTION: The stainless steel sheet is characterize...

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Bibliographische Detailangaben
Hauptverfasser:	GOSHOKUBO KENICHI, ADACHI KAZUHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS 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 PUNCHING METAL ROLLING OF METAL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a metastable austenitic stainless steel sheet having high strength and high fatigue characteristic, and superior workability as well, and also provide the method to produce the same without needing additional costs. SOLUTION: The stainless steel sheet is characterized in that it contains by mass % C: 0.01-0.13%, Si: 0.1-3.2%, Mn: 2.8% or less, Cr: 13-20%, Ni: 3-12%, N: 0.1-0.2%, Nb: 0.01-0.1% and at least any one from an among Mo: 4% or less, Cu: 4% or less, or Al: 3% or less, with the Md value in the range of 20-60, and that the metal structure of the steel consists of recrystallized structure ranging from 50 to 99% in terms of area % with the remainder being substantially non-recrystallized structures and precipitated micro structures.