Invention Grant
- Patent Title: Galvanized steel sheet having excellent plating adhesion and corrosion resistance
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Application No.: US17296787Application Date: 2019-11-27
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Publication No.: US11618939B2Publication Date: 2023-04-04
- Inventor: Do-Kyeong Han , Heung-Yun Kim
- Applicant: POSCO
- Applicant Address: KR Pohang-si
- Assignee: POSCO
- Current Assignee: POSCO
- Current Assignee Address: KR Pohang-si
- Agency: Cantor Colburn LLP
- Priority: KR10-2018-0150031 20181128,KR10-2019-0150456 20191121
- International Application: PCT/KR2019/016475 WO 20191127
- International Announcement: WO2020/111775 WO 20200604
- Main IPC: C22C18/04
- IPC: C22C18/04 ; C23C2/06 ; C23C2/26 ; C23C2/20 ; B32B15/01 ; C23C28/02 ; C23C30/00 ; C22C30/06 ; C22C21/10 ; B32B15/04 ; B32B15/18 ; C23C2/40 ; C23C2/12 ; C23C2/04 ; C22C18/00
Abstract:
Provided is a galvanized steel sheet having excellent plating adhesion, having a plated layer with improved friction characteristics by means of a predetermined level of Fe elution, and having excellent corrosion resistance; and a manufacturing method therefor.
Public/Granted literature
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