STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT PAINTING ADHESION AND POST-PAINTING CORROSION RESISTANCE, AND METHOD FOR MANUFACTURING SAME
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United States of America Patent
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Issued Date -
Jun 20, 2024
app pub date -
Feb 23, 2024
filing date -
Feb 23, 2024
priority date (Note) -
Published
status (Latency Note)
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Abstract
Provided is a steel sheet for a hot press formed member having excellent painting adhesion and post-painting corrosion resistance, and a method for manufacturing the same. A steel sheet for hot press forming according to one aspect of the present invention comprises a base steel sheet and a plated layer formed on a surface of the base steel sheet, wherein the ratio of an area occupied by pores to the entire area of a surface layer portion may be 10% or more in a cross section of the surface layer portion observed when the plated layer is cut in a thickness direction thereof.
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International Classification(s)
- C23C:COATING METALLIC MATERIAL; COATING MATERIAL WITH M....
- C22F:CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS MET....
- B21D:WORKING OR PROCESSING OF SHEET METAL OR METAL TUBE....
- C21D:MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS....
- C23F:NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM S....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- C22C:ALLOYS
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