- Patent Title: Steel sheet for hot press formed product having superior bendability and ultra-high strength, hot press formed product using same, and method for manufacturing same
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Application No.: US15107452Application Date: 2014-12-22
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Publication No.: US10253388B2Publication Date: 2019-04-09
- Inventor: Yeol-Rae Cho , Jae-Hoon Lee , Jin-Keun Oh , Sim-Kun Min , Chang-Sig Choi
- Applicant: POSCO
- Applicant Address: KR Pohang-si, Gyeongsangbik-do
- Assignee: POSCO
- Current Assignee: POSCO
- Current Assignee Address: KR Pohang-si, Gyeongsangbik-do
- Agency: Morgan Lewis & Bockius LLP
- Priority: KR10-2013-0163384 20131225
- International Application: PCT/KR2014/012645 WO 20141222
- International Announcement: WO2015/099382 WO 20150702
- Main IPC: C21D9/46
- IPC: C21D9/46 ; C21D8/02 ; C22C38/00 ; C22C38/04 ; C22C38/02 ; C22C38/06 ; C22C38/20 ; C22C38/28 ; C22C38/32 ; C22C38/42 ; C22C38/44 ; C22C38/50 ; C22C38/54 ; C23C2/12 ; C21D7/13
Abstract:
The present invention provides: a steel sheet capable of manufacturing a formed product having superior bendability and ultra-high strength when compared with conventional steel sheets for manufacturing a hot press formed product; the formed product having superior bendability and ultra-high strength by using the same; and a method for manufacturing the same.
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