STEEL FOR ELECTRIC CORROSION PROTECTION, COATING MATERIAL FOR ELECTRIC CORROSION PROTECTION, AND MARINE STRUCTURE OF EXCELLENT ELECTRIC CORROSION PROTECTION PROPERTY

PROBLEM TO BE SOLVED: To provide a steel for electric corrosion protection which is especially suitable for a marine structure such as ships, bridges, hulls and ballast tanks for ships. SOLUTION: A rust layer containing, by mass, 0.00010-0.10% C, 0.0010-1.0% Si, 0.0010-2.0% Mn, 0.00010-0.1% Cr, 0.00...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAYAMA TAKENORI, YASUNAGA TATSUYA, YUSE FUMIO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES ALLOYS CHEMICAL PAINT OR INK REMOVERS 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 COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CORRECTING FLUIDS DIFFUSION TREATMENT OF METALLIC MATERIAL DYES FERROUS OR NON-FERROUS ALLOYS FILLING PASTES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NATURAL RESINS NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a steel for electric corrosion protection which is especially suitable for a marine structure such as ships, bridges, hulls and ballast tanks for ships. SOLUTION: A rust layer containing, by mass, 0.00010-0.10% C, 0.0010-1.0% Si, 0.0010-2.0% Mn, 0.00010-0.1% Cr, 0.0010-2.0% Cu, 0.0010-2.0% Ni, and 0.00010-0.1% Ti is formed on the steel for electric corrosion protection, and when the rust layer is analyzed by an X-ray diffraction method, 5-50% CaCO3and ≥20% of the total of α-FeOOH and amorphous composition are contained in the rust layer. COPYRIGHT: (C)2003,JPO