HOT ROLLED STEEL SHEET FOR EXTRA-DEEP DRAWING, EXCELLENT IN RESISTANCE TO SECONDARY WORKING BRITTLENESS, AND ITS MANUFACTURE

PROBLEM TO BE SOLVED: To manufacture a steel sheet for extra-deep drawing, excellent in resistance to secondary working brittleness, by providing a specific composition and a structure having an average ferrite grain size of a specific size or below and regulating the brittle temperature after deep...

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Bibliographische Detailangaben
Hauptverfasser:	FURUKIMI OSAMU, TOSAKA AKIO, YASUHARA HIDEKO, KUWAKO HIROSHI, UCHIYAMA TAKAO
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 manufacture a steel sheet for extra-deep drawing, excellent in resistance to secondary working brittleness, by providing a specific composition and a structure having an average ferrite grain size of a specific size or below and regulating the brittle temperature after deep drawing at specific drawing ratio to a specific value or below. SOLUTION: This hot rolled steel sheet has a composition consisting of, by weight,