STEEL FOR BLADE

PROBLEM TO BE SOLVED: To provide steel for blades, capable of stably achieving a desired hardness in a heat-treatment performed after it has been processed into a shape of a product. SOLUTION: The steel for blades comprises 0.20-1.0 mass% C, 0.10-1.0 mass% Si, 0.10-1.0 mass% Mn, 12.0-14.0 mass% Cr,...

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Bibliographische Detailangaben
Hauptverfasser:	FURUKIMI OSAMU, FUNAKAWA YOSHIMASA, HIROTA AKIHITO, IDE SHINSUKE
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 METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide steel for blades, capable of stably achieving a desired hardness in a heat-treatment performed after it has been processed into a shape of a product. SOLUTION: The steel for blades comprises 0.20-1.0 mass% C, 0.10-1.0 mass% Si, 0.10-1.0 mass% Mn, 12.0-14.0 mass% Cr, 0.005-0.070 mass% N and the balance being Fe and unavoidable impurities. A cold-rolled annealed steel sheet contains carbides with a diameter of 0.1 μm or larger in an amount of 50-130 pieces per 100 μm2, wherein the average diameter of the carbides is 0.3-1.0 μm. COPYRIGHT: (C)2007,JPO&INPIT