PRODUCTION OF ULTRAHIGH TENSILE STRENGTH HOT ROLLED STEEL SHEET FOR LIGHT-DEGREE WORKING

PURPOSE:To produce an ultrahigh tensile strength hot rolled steel sheet excellent in degree of flatness by cooling a slab of steel with specific composition at respectively specified hot roll finishing temp., cooling starting temp., and cooling velocity, and then coiling this coil at a specific temp...

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Bibliographische Detailangaben
Hauptverfasser:	MORITA MASAHIKO, MASUI SUSUMU, KATO TOSHIYUKI
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:	PURPOSE:To produce an ultrahigh tensile strength hot rolled steel sheet excellent in degree of flatness by cooling a slab of steel with specific composition at respectively specified hot roll finishing temp., cooling starting temp., and cooling velocity, and then coiling this coil at a specific temp. CONSTITUTION:A slab of a steel which has a composition consisting of, by weight, 0.05-0.20% C, 1.5-3.5% Mn, 0.01-0.1% Al,