COATED STEEL MATERIAL HAVING EXCELLENT LASER CUTTING PROPERTY, PRIMARY RUST PROOFING PROPERTY AND VISIBILITY

PROBLEM TO BE SOLVED: To provide a coated steel material which has both of excellent laser cutting properties and primary rust proofing properties, and is excellent in visibility, in particular, in visibility of a character written with a white coating material.SOLUTION: The coated steel material ha...

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Bibliographische Detailangaben
Hauptverfasser:	SHIOTANI KAZUHIKO, KAGE ISAMU, KOMORI TSUTOMU
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL PAINT OR INK REMOVERS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DYES FILLING PASTES INKS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SOLDERING OR UNSOLDERING SPRAYING OR ATOMISING IN GENERAL TRANSPORTING USE OF MATERIALS THEREFOR WELDING WOODSTAINS WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a coated steel material which has both of excellent laser cutting properties and primary rust proofing properties, and is excellent in visibility, in particular, in visibility of a character written with a white coating material.SOLUTION: The coated steel material has a coating film on its surface as a dry coating film, wherein the coating film includes a colored pigment comprising a titania powder, a zinc powder, an aluminum powder, and carbon black or a colored pigment comprising one or more of a black iron oxide pigment and a black fired pigment, and carbon black, and the Munsell lightness value of the surface of the dried coating film is 7.0 or less.