Hot-dip zn-al alloy-plated steel material with excellent bending workability and production method thereof
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United States of America Patent
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app pub date -
Nov 29, 2012
filing date -
Sep 1, 2005
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Abandoned
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Abstract
A hot-dip Zn—Al alloy-plated steel material ensuring high corrosion resistance and excellent bending workability of the plating layer, and a production method thereof are provided, that is, a hot-dip Zn—Al alloy-plated steel material with excellent bending workability, having a plating layer comprising, in terms of mass %, from 25 to 85% of Al, from 0.05 to 5% of one or both of Cr and Mn, and Si in an amount of 0.5 to 10% of the Al content, with the balance being Zn and unavoidable impurities, wherein the average spangle size on the plating surface is 0.5 mm or more; and a production method thereof.
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