Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Reexamination Certificate
2003-10-27
2011-10-04
McNeil, Jennifer (Department: 1784)
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
C428S681000
Reexamination Certificate
active
08029915
ABSTRACT:
The present invention provides a highly corrosion-resistant plated steel sheet that can achieve excellent surface smoothness and formability and, according to the process of the present invention, a hot-dip galvanized steel product excellent in surface smoothness and formability having on the steel product surface a zinc alloy plating layer composed of 4 to 22% by mass of Al, 1 to 5% by mass of Mg, 0.000001 to 0.1% by mass of Ti, 0.000001 to 0.5% by mass of Si and the balance of Zn and unavoidable impurities, the plating layer of the plated steel product having a metal structure in which an [Mg2Si phase], an [Al phase], a [Zn2Mg phase] and a [Zn phase] are present in a mixture in the matrix of an [Al/Zn/Zn2Mg ternary eutectic structure], and the plating layer containing a Ti—Al base intermetallic compound in the [Al phase] and/or the [Zn2Mg phase] and/or the [Zn phase], is produced.
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Mexican Office Action dated Oct. 27, 2009 issued in corresponding Mexican Application.
Hatanaka Hidetoshi
Honda Kazuhiko
Onozawa Hajime
Kenyon & Kenyon LLP
McNeil Jennifer
Nippon Steel Corporation
Savage Jason
LandOfFree
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