- 专利标题: HOT-DIPPED GALVANIZED STEEL MATERIAL HAVING EXCELLENT WELDABILITY AND PRESS WORKABILITY AND MANUFACTURING METHOD THEREFOR
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申请号: EP17884229.0申请日: 2017-12-21
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公开(公告)号: EP3561135A1公开(公告)日: 2019-10-30
- 发明人: LEE, Suk-Kyu , KIM, Sang-Heon , MIN, Kwang-Tai , SONG, Yon-Kyun
- 申请人: POSCO
- 申请人地址: (Goedong-dong) 6261 Donghaean-ro Nam-gu Pohang-si, Gyeongsangbuk-do 37859 KR
- 专利权人: POSCO
- 当前专利权人: POSCO
- 当前专利权人地址: (Goedong-dong) 6261 Donghaean-ro Nam-gu Pohang-si, Gyeongsangbuk-do 37859 KR
- 代理机构: Zech, Stefan Markus
- 优先权: KR20160177190 20161222
- 国际公布: WO2018117714 20180628
- 主分类号: C23C2/06
- IPC分类号: C23C2/06 ; C22C18/00 ; C22C18/04 ; C23C2/16 ; C23C2/26
摘要:
Disclosed are a hot-dipped galvanized steel material and a method for manufacturing the same. The hot-dipped galvanized steel material comprises an iron substrate and a hot-dipped galvanizing layer formed on the iron substrate, wherein the hot-dipped galvanizing layer comprises, by wt%, 0.01 to 0.5% of Al, 0.01 to 1.5% of Mg, 0.05 to 1.5% of Mn, 0.1 to 6% of Fe, and the balance of Zn and inevitable impurities, with a Zn-Fe-Mn based alloy phase present at the interface between the iron substrate and the hot-dipped galvanizing layer, and an area ratio of the Zn-Fe-Mn-based alloy phase to the hot-dipped galvanizing layer ranging from 1 to 60%.
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