Hot-dip galvanized steel material having excellent weldability and press workability and manufacturing method therefor

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United States of America Patent

PATENT NO 11753709
SERIAL NO

16471289

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Abstract

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Provided are a hot-dipped galvanized steel material and a method for manufacturing the same. The hot-dipped galvanized steel material comprises an iron substrate and a hot-dipped galvanizing layer formed on the iron substrate, wherein the hot-dipped galvanizing layer comprises, by wt %, 0.01 to 0.5% of Al, 0.01 to 1.5% of Mg, 0.05 to 1.5% of Mn, 0.1 to 6% of Fe, and the balance of Zn and inevitable impurities, with a Zn—Fe—Mn based alloy phase present at the interface between the iron substrate and the hot-dipped galvanizing layer, and an area ratio of the Zn—Fe—Mn-based alloy phase to the hot-dipped galvanizing layer ranging from 1 to 60%.

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Patent Owner(s)

Patent OwnerAddress
POSCO CO LTDPOHANG-SI GYEONGSANGBUK-DO 37859

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Sang-Heon Gwangyang-si, KR 65 300
Lee, Suk-Kyu Gwangyang-si, KR 13 9
Min, Kwang-Tai Gwangyang-si, KR 9 0
Song, Yon-Kyun Gwangyang-si, KR 19 26

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