Advanced high strength zinc plated steel sheet having excellent surface quality and electrical resistance spot weldability

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12000008
SERIAL NO

17787174

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Abstract

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The present disclosure relates to a high-strength hot-dip galvanized steel sheet having excellent surface quality and electrical resistance spot weldability, and a method for manufacturing the same. A galvanized steel sheet according to an aspect of the present disclosure is a galvanized steel sheet including a base steel sheet and a zinc-based plating layer formed on a surface of the base steel sheet, wherein a ratio (a/b) of a hardness of a surface layer portion (a) to a hardness of an internal portion (b) of the base steel sheet may be less than 0.95.

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Patent Owner(s)

Patent OwnerAddress
POSCO(GOEDONG-DONG) 6261 DONGHAEAN-RO NAM-GU POHANG-SI GYEONGSANGBUK-DO 37859

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kang, Ki-Cheol Gwangyang-si, KR 24 34
Kim, Yong-Joo Gwangyang-si, KR 15 63
Lee, Chung-Hwan Gwangyang-si, KR 9 11
Lee, Kang-Min Gwangyang-si, KR 50 440
Lee, Kyoo-Young Gwangyang-si, KR 25 63

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