公开(公告)号：US20160186282A1

公开(公告)日：2016-06-30

申请号：US14757453

申请日：2015-12-23

Applicant: POSCO

Inventor： Sang Ho HAN ,  Seong Ho HAN

IPC: C21D9/46 ,  C22C38/32 ,  C22C38/22 ,  C22C38/06 ,  C22C38/04 ,  C21D8/02 ,  C22C38/00 ,  C21D6/00 ,  C21D1/26 ,  C23C2/06 ,  C23C2/02 ,  C22C38/38 ,  C22C38/02

CPC classification number: C21D9/46 ,  B32B15/012 ,  B32B15/013 ,  B32B15/017 ,  B32B15/04 ,  B32B15/043 ,  B32B15/18 ,  C21D1/26 ,  C21D6/002 ,  C21D6/005 ,  C21D6/008 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0278 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/18 ,  C22C38/22 ,  C22C38/32 ,  C22C38/38 ,  C23C2/02 ,  C23C2/04 ,  C23C2/06 ,  C23C2/12 ,  C23C2/28 ,  C23C2/285 ,  C23C2/40 ,  C23C28/021 ,  C23C28/023 ,  C23C30/00 ,  C23C30/005 ,  Y10T428/12757 ,  Y10T428/12792 ,  Y10T428/12972

Abstract: There is provided a hot-dip galvanized steel sheet and a hot-dip galvannealed steel sheet, which have excellent elongation properties, and methods for manufacturing the hot-dip galvanized steel sheet and the hot-dip galvannealed steel sheet. The present disclosure relates to a hot-dip galvanized steel sheet in which a hot-dip galvanized layer is formed on a surface of a base steel sheet, the hot-dip galvanized steel sheet having excellent elongation properties and being characterized by the composition and the microstructure thereof.

Abstract translation: 提供了具有优异的伸长性能的热浸镀锌钢板和热浸镀锌钢板，以及制造热浸镀锌钢板和热浸镀锌热镀锌钢板的方法。 本发明涉及一种热浸镀锌钢板，其中在基体钢板的表面上形成热浸镀锌层，该热浸镀锌钢板具有优异的伸长性能，其特征在于该组合物和 其微结构。

公开(公告)号：US20170283902A1

公开(公告)日：2017-10-05

申请号：US15622794

申请日：2017-06-14

Applicant: POSCO

Inventor： Sang Ho HAN ,  Seong Ho HAN

IPC: C21D9/46 ,  C22C38/32 ,  C23C2/02 ,  C23C28/02 ,  C22C38/06 ,  C23C2/28 ,  C23C2/12 ,  C21D8/02 ,  C22C38/02 ,  C22C38/38 ,  C21D6/00 ,  C22C38/18 ,  C21D1/26 ,  B32B15/01 ,  C22C38/04 ,  C23C2/04 ,  C22C38/00 ,  C23C2/06 ,  B32B15/18 ,  C22C38/22 ,  C23C30/00 ,  B32B15/04

Abstract: There is provided a hot-dip galvanized steel sheet and a hot-dip galvannealed steel sheet, which have excellent elongation properties, and methods for manufacturing the hot-dip galvanized steel sheet and the hot-dip galvannealed steel sheet. The present disclosure relates to a hot-dip galvanized steel sheet in which a hot-dip galvanized layer is formed on a surface of abase steel sheet, the hot-dip galvanized steel sheet having excellent elongation properties and being characterized by the composition and the microstructure thereof.

公开(公告)号：US20170260602A1

公开(公告)日：2017-09-14

申请号：US15452383

申请日：2017-03-07

Applicant: POSCO

Inventor： Yeon Sang AN ,  Sang Ho HAN

IPC: C21D9/46 ,  C22C38/32 ,  C22C38/22 ,  C22C38/06 ,  B32B15/01 ,  C22C38/00 ,  C21D8/02 ,  C23C2/06 ,  C23C2/28 ,  C23C2/40 ,  C22C38/38 ,  C22C38/02

CPC classification number: C21D9/46 ,  B32B15/013 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0263 ,  C21D8/0278 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/06 ,  C22C38/22 ,  C22C38/32 ,  C22C38/38 ,  C23C2/06 ,  C23C2/28 ,  C23C2/40

Abstract: A high strength steel sheet mainly used as an automotive exterior panel material is provided. In detail, a complex-phase steel sheet having excellent formability and a method of manufacturing the same are provided. A steel sheet may have excellent strength and ductility, and a relatively low yield ratio and an excellent surface quality may be provided.