STEEL SHEET FOR HOT PRESSING AND ALUMINUM-COATED BLANK MANUFACTURED USING SAME

An embodiment of the present invention provides a steel sheet for hot press, including carbon (C) in an amount of 0.03 to 0.15 wt%, silicon (Si) in an amount of 0.1 to 1.5 wt%, manganese (Mn) in an amount of 1.0 to 2.0 wt%, phosphorus (P) in an amount of 0.1 wt% or less, sulfur (S) in an amount of 0...

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Bibliographische Detailangaben
Hauptverfasser:	KIM, Je Woo Soo, HAN, Seong Kyung, KIM, Dong Yong, YOO, Byung Gil
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	An embodiment of the present invention provides a steel sheet for hot press, including carbon (C) in an amount of 0.03 to 0.15 wt%, silicon (Si) in an amount of 0.1 to 1.5 wt%, manganese (Mn) in an amount of 1.0 to 2.0 wt%, phosphorus (P) in an amount of 0.1 wt% or less, sulfur (S) in an amount of 0.01 wt% or less, boron (B) in an amount of 0.0005-0.005 wt%, a sum of one or more of titanium (Ti), niobium (Nb), and vanadium (V) in an amount of 0.01-1.0 wt%, chromium (Cr) in an amount of 0.01 to 0.5 wt%, the balance of iron (Fe), and other unavoidable impurities. The steel sheet for hot press includes MnS-based inclusions, and an area fraction of the MnS-based inclusions is 5 % or less.