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公开(公告)号:US20240011120A1
公开(公告)日:2024-01-11
申请号:US18267364
申请日:2021-12-07
申请人: POSCO
发明人: Ki-Cheol Kang , Dae-Young Kang , Nam-A Kim , Myung-Soo Kim
IPC分类号: C21D9/46 , C22C38/38 , C22C38/34 , C22C38/32 , C22C38/28 , C22C38/26 , C22C38/22 , C22C38/60 , C22C38/14 , C22C38/12 , C22C38/06 , C22C38/02 , C22C38/04 , C22C38/00 , C21D8/02 , C21D6/00 , C21D1/84 , C21D1/74 , C21D1/18 , B32B15/01 , C23C2/06 , C23C2/28 , C23C2/40
CPC分类号: C21D9/46 , C22C38/38 , C22C38/34 , C22C38/32 , C22C38/28 , C22C38/26 , C22C38/22 , C22C38/60 , C22C38/14 , C22C38/12 , C22C38/06 , C22C38/02 , C22C38/04 , C22C38/008 , C22C38/002 , C21D8/0205 , C21D8/0226 , C21D8/0263 , C21D8/0278 , C21D6/002 , C21D6/005 , C21D6/008 , C21D1/84 , C21D1/74 , C21D1/18 , B32B15/013 , C23C2/06 , C23C2/28 , C23C2/40 , C21D2211/005
摘要: According to one aspect of the present invention, a high-strength hot-dip galvanized steel sheet having an excellent surface quality and spot weldability, and a manufacturing method therefor may be provided.