Invention Publication
- Patent Title: PLATED STEEL SHEET FOR HOT PRESS FORMING, AND METHOD OF MANUFACTURING THE SAME
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Application No.: US18268138Application Date: 2021-12-17
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Publication No.: US20240051005A1Publication Date: 2024-02-15
- Inventor: Hyeon-seok Hwang , Kkochnim Oh
- Applicant: POSCO Co., Ltd
- Applicant Address: KR Pohang-si, Gyeongsangbuk-do
- Assignee: POSCO Co., Ltd
- Current Assignee: POSCO Co., Ltd
- Current Assignee Address: KR Pohang-si, Gyeongsangbuk-do
- Priority: KR 20200178907 2020.12.18
- International Application: PCT/KR2021/019275 2021.12.17
- Date entered country: 2023-06-16
- Main IPC: B21D22/02
- IPC: B21D22/02 ; C23C2/06 ; C23C2/40 ; C23C2/28 ; C22C38/02 ; C22C38/04 ; C22C38/00 ; C22C38/14
Abstract:
A plated steel sheet for hot press forming with improved hydrogen delayed fracture properties is disclosed. The disclosed plated steel sheet includes a base steel sheet, and a plating layer formed on a surface of the base steel sheet and including, by weight, Si: 5.0 to 15.0%, Zn: 10.0 to 30.0%, Fe: 4.0 to 12.0%, and the remainder including Al and unavoidable impurities.
Information query
