Invention Grant
- Patent Title: Multi-layered zinc alloy plated steel having excellent spot weldability and corrosion resistance
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Application No.: US17529788Application Date: 2021-11-18
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Publication No.: US11649542B2Publication Date: 2023-05-16
- Inventor: Young-Jin Kwak , Goo-Hwa Kim , Mun-Jong Eom , Seok-Jun Hong , Kyoung-Pil Ko , Yong-Hwa Jung , Dong-Yoeul Lee , Tae-Yeob Kim , Kyung-Hoon Nam
- Applicant: POSCO
- Applicant Address: KR Pohang-si
- Assignee: POSCO CO., LTD
- Current Assignee: POSCO CO., LTD
- Current Assignee Address: KR Pohang-si
- Agency: Cantor Colburn LLP
- Priority: KR 20160178834 2016.12.26
- The original application number of the division: US16471943
- Main IPC: C23C30/00
- IPC: C23C30/00 ; C23C28/02 ; C23C28/00 ; C23C14/16 ; C23C14/24 ; C23C14/14 ; C23C2/28 ; C23C2/26 ; C23C2/00 ; C23C2/40 ; C23C2/04 ; C23C2/06 ; C22C18/00 ; C22C23/00 ; C22C23/04 ; C22C38/02 ; C22C38/04 ; C22C38/06 ; C22C38/60 ; B32B15/01 ; B32B15/04 ; B32B15/18
Abstract:
Provided is a multilayer zinc alloy plated steel material comprising a base steel material and multiple plating layers formed on the base steel material, wherein each of the multiple plating layers includes one of a Zn plating layer, a Mg plating layer, and a Zn—Mg alloy plating layer, and the ratio of the weight of Mg contained in the multiple plating layers to the total weight of the multiple plating layers is from 0.13 to 0.24.
Public/Granted literature
- US20220074040A1 MULTI-LAYERED ZINC ALLOY PLATED STEEL HAVING EXCELLENT SPOT WELDABILITY AND CORROSION RESISTANCE Public/Granted day:2022-03-10
Information query
IPC分类:
