Steel sheet for hot press formed member having excellent coating adhesion and manufacturing method for the same
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United States of America Patent
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Nov 21, 2023
Grant Date -
N/A
app pub date -
Nov 2, 2021
filing date -
Jun 1, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a steel sheet for a hot press formed member having excellent coating adhesion, and a method for manufacturing the same. A steel sheet for hot press forming according to one aspect of the present invention is an aluminum alloy plated steel sheet, wherein an average Fe content in a plating layer may be 40 wt % or more, and a concentration gradient of a section having a Fe content of 45 wt % to 80 wt % in the plating layer may 7 wt %/μm or less of a concentration gradient at a section having an Fe content of 45% to 80% in the plating layer in a thickness direction from a surface of the plating layer according to a result of GDS analysis.
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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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