THIN STEEL SHEET

THIN STEEL SHEET

The present invention provides a thin steel sheet which has a chemical composition that satisfies 0.0001 ⿤ (Sn) + 0.3(Cu) + 0.1(Cr) ⿤ 0.2000 (wherein (Sn), (Cu) and (Cr) respectively represent the contents (mass%) of Sn, Cu and Cr), while having an oxide film that has a thickness of 50 nm or les...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: FUKUI Masaharu, MAKI Jun
Format: Patent
Sprache:eng ; spa
Schlagworte:
ALLOYS
CHEMICAL SURFACE TREATMENT
CHEMISTRY
CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS
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:The present invention provides a thin steel sheet which has a chemical composition that satisfies 0.0001 ⿤ (Sn) + 0.3(Cu) + 0.1(Cr) ⿤ 0.2000 (wherein (Sn), (Cu) and (Cr) respectively represent the contents (mass%) of Sn, Cu and Cr), while having an oxide film that has a thickness of 50 nm or less on the surface, wherein if the oxide film is measured by means of an FT-IR reflection method, A/C < 0.30 and B/C < 3.0 (wherein A represents the area of a peak associated with SiO2, B represents the area of a peak associated with MnSiO3 and C represents the area of a peak associated with Mn2SiO4) are satisfied. Una lámina de acero delgada que tiene una composición química que satisface 0.0001=[Sn]+0.3[Cu]+0.1[Cr]=0.2000 ([Sn], [Cu] y [Cr] respectivamente siendo los contenidos (% en masa) de Sn, Cu, y Cr), que tiene una película de óxido de un espesor de 50 nm o menos en la superficie, y que cumple A/C