SURFACE-TREATED STEEL SHEET, ORGANIC RESIN-COATED STEEL SHEET, AND CONTAINER USING SAME

[Problem] To provide a surface-treated steel sheet, etc. for which it is possible to restrain generation of sulfidation blackening while taking the influences of stannous oxide and stannic oxide into consideration.[Solution] The surface-treated steel sheet of the present invention includes a steel s...

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Bibliographische Detailangaben
Hauptverfasser:	YANADA Kenji, MATSUKAWA Masahiko, YOSHIDA Keisuke, UCHIKAWA Miwa, TAGUCHI Naomi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR 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 ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	[Problem] To provide a surface-treated steel sheet, etc. for which it is possible to restrain generation of sulfidation blackening while taking the influences of stannous oxide and stannic oxide into consideration.[Solution] The surface-treated steel sheet of the present invention includes a steel sheet, a tin plating layer formed on the steel sheet, and a chemical conversion film that is formed on the tin plating layer and contains essentially no chromium. The surface-treated steel sheet is characterized in that in measurements using anode polarization, the current density ratio of a current density I1 at a potential representing a reaction of stannous oxide (SnO) after undergoing a heat treatment equivalent to coating and baking to the sum (I1 + I2), where 12 is a current density at a potential representing a reaction of stannic oxide (SnO2), is less than 0.36.