METHOD FOR FABRICATING COLD ROLLED SHEET

PURPOSE: A method of manufacturing a cold-rolled steel sheet is provided to manufacture a cold rolled steel sheet with excellent shape and surface quality by effectively inhibiting the side fault of a cold rolled coil like sticker fault when manufacturing the cold rolled steel sheet. CONSTITUTION: A...

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Bibliographische Detailangaben
Hauptverfasser:	SEO, SANG HUN, KIM, HYUNG SEOUNG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CHEMISTRY 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
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Beschreibung
Zusammenfassung:	PURPOSE: A method of manufacturing a cold-rolled steel sheet is provided to manufacture a cold rolled steel sheet with excellent shape and surface quality by effectively inhibiting the side fault of a cold rolled coil like sticker fault when manufacturing the cold rolled steel sheet. CONSTITUTION: A method of manufacturing a cold-rolled steel sheet comprises next steps. The crown value of the hot rolled steel sheet is measured(102). The crown value measured is compared with a reference value for a crown value. When the crown value measured is below the reference, cold rolling accompanying BAF is performed on a hot rolled steel sheet(111). The BAF is performed on the cold rolled object to provide a cold rolled steel sheet(115). When the crown value measured is greater than the reference, the cold rolling accompanying CAL is performed on the hot rolled steel sheet.