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1.发明公开
公开(公告)号：EP4170056A1
公开(公告)日：2023-04-26
申请号：EP21826805.0
申请日：2021-06-18
申请人： POSCO Co., Ltd
发明人： SOHN, Il-Ryoung , KIM, Sung-Joo , KIM, Tae-Chul , YOO, Bong-Hwan , KIM, Myung-Soo , KIM, Jong-Sang , HAN, Sang-Tae , KIM, Kwang-Won
IPC分类号： C23C2/06 , C23C2/20 , C23C2/26 , C23C2/02 , C22C18/04 , B24C1/08 , B24C11/00 , C23C28/02 , C23C2/28
摘要： Provided are a plated steel sheet and a method for manufacturing same, the plated steel sheet comprising: a base steel sheet; a Zn-Mg-Al based steel sheet plating layer provided on at least one surface of the base steel sheet; and an Fe-Al based inhibition layer provided between the base steel sheet and the Zn-Mg-Al based plating layer, wherein the plating layer comprises, in wt%: 4% or more of Mg; 2.1 times or more of Mg content and 14.2% or less of Al; 0.2% or less (including 0%) of Si; 0.1% or less (including 0%)of Sn; the remainder Zn; and unavoidable impurities.
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公开(公告)号：EP4265812A1
公开(公告)日：2023-10-25
申请号：EP21911434.5
申请日：2021-12-20
申请人： POSCO Co., Ltd
发明人： KIM, Tae-Chul , SOHN, Il-Ryoung , YOO, Bong-Hwan
IPC分类号： C23C2/06 , C23C2/20 , C23C2/26 , C23C2/02 , C23C2/40 , C21D8/02 , C22C18/00 , C22C38/00 , C23C2/28 , C21D1/76 , C21D9/46
摘要： The present invention relates to a plated steel sheet which can be used for automobiles, home appliances, building materials, etc. and a method for manufacturing same and, more particularly, to a zinc alloy plated steel sheet having excellent adhesion to an adhesive and a method for manufacturing same.
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3.发明公开
公开(公告)号：EP3954800A3
公开(公告)日：2022-03-02
申请号：EP21199998.2
申请日：2011-12-26
申请人： POSCO
发明人： KIM, Sang-Heon , JIN, Young-Sool , OH, Min-Suk , KIM, Su-Young , YOO, Bong-Hwan
摘要： Provided is a hot dip zinc (Zn) alloy plated steel sheet having excellent corrosion resistance and surface qualities, and a method of manufacturing the same.
For this purpose, the present invention provides a high corrosion resistant hot dip Zn alloy plated steel sheet which includes an underlying steel sheet and a hot dip Zn alloy plating layer, wherein a composition of the hot dip Zn alloy plating layer includes 1 to 3 wt% of aluminum (Al), 1.5 to 4.0 wt% of magnesium (Mg), and Zn and avoidable impurities as a remainder, in which AI + Mg is in a range of 2.5 to 7.0 wt% and AI:(AI + Mg) is in a range of 0.38 to 0.48, and a method of manufacturing the high corrosion resistant hot dip Zn alloy plated steel sheet.-
公开(公告)号：EP2876182B1
公开(公告)日：2020-03-11
申请号：EP13822651.9
申请日：2013-07-23
申请人： Posco
发明人： OH, Min-Suk , JIN, Young-Sool , KIM, Sang-Heon , KIM, Su-Young , YOO, Bong-Hwan
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5.发明公开
公开(公告)号：EP4411016A1
公开(公告)日：2024-08-07
申请号：EP22876842.0
申请日：2022-09-28
申请人： POSCO Co., Ltd
发明人： KIM, Sung-Joo , KIM, Tae-Chul , KIM, Myung-Soo , YOO, Bong-Hwan , CHO, Yong-Kyun
摘要： The present invention provides a Zn-Mg-Al-based plated steel sheet excellent in corrosion resistance and excellent in at least one of weldability and phosphatability, and a manufacturing method therefor.
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6.发明公开
公开(公告)号：EP4411015A1
公开(公告)日：2024-08-07
申请号：EP22876837.0
申请日：2022-09-28
申请人： POSCO Co., Ltd
发明人： KIM, Tae-Chul , KIM, Sung-Joo , KIM, Myung-Soo , YOO, Bong-Hwan , CHO, Yong-Kyun , SOHN, Il-Ryoung
摘要： The present invention provides a Zn-Mg-Al plated steel sheet having excellent corrosion resistance and surface appearance and a method for manufacturing same.
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7.发明授权
公开(公告)号：EP3369838B1
公开(公告)日：2019-08-21
申请号：EP16860213.4
申请日：2016-10-26
申请人： Posco
发明人： OH, Min-Suk , KIM, Sang-Heon , KIM, Tae-Chul , KIM, Jong-Sang , YUN, Hyun-Chu , YOO, Bong-Hwan
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8.发明公开ZINC ALLOY PLATED STEEL MATERIAL HAVING EXCELLENT WELDABILITY AND PROCESSED-PART CORROSION RESISTANCE AND METHOD OF MANUFACTURING SAME 审中-公开具有良好可焊接性和加工部分耐腐蚀性的锌合金镀层钢材及其制造方法
公开(公告)号：EP3239347A1
公开(公告)日：2017-11-01
申请号：EP15873690.0
申请日：2015-12-24
申请人： Posco
发明人： OH, Min-Suk , KIM, Sang-Heon , KIM, Tae-Chul , KIM, Jong-Sang , YUN, Hyun-Chu , YOO, Bong-Hwan , SOHN, ii-Ryoung
摘要： Zn alloy plated steel material having excellent weldability and processed-part corrosion resistance and a method for production of Zn alloy plated steel material are provided. In the Zn alloy plated steel material comprising base steel material and a Zn alloy plating layer, the Zn alloy plating layer includes, by wt%, Al: 0.1-5.0%, Mg: 0.1-5.0%, as well as a remainder of Zn and inevitable impurities. The Zn alloy plated steel material includes a lower interface layer and an upper interface layer between the base steel material and the Zn alloy plating layer, wherein the lower interface layer is formed on the base steel material and has a dense structure, and the upper interface layer is formed on the lower interface layer and has a network-type or island-type structure.
摘要翻译： 提供具有优良的焊接性和加工部分耐腐蚀性的Zn合金镀覆钢材以及生产Zn合金镀覆钢材的方法。 在包含基体钢材和Zn合金镀层的Zn合金镀覆钢材中，Zn合金镀层以重量百分比计包含Al：0.1-5.0％，Mg：0.1-5.0％，以及余量的Zn 和不可避免的杂质。 所述镀Zn合金钢材包括下界面层和基底钢材与锌合金镀层之间的上界面层，其中下界面层形成在基底钢材上，并具有致密结构，上界面 层形成在下界面层上并具有网络型或岛型结构。
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9.发明公开HIGH CORROSION RESISTANT HOT DIP ZN ALLOY PLATED STEEL SHEET AND METHOD OF MANUFACTURING THE SAME 审中-公开在高度耐腐蚀，热浸镀Zn合金钢板及其制造方法
公开(公告)号：EP2659017A2
公开(公告)日：2013-11-06
申请号：EP11852648.2
申请日：2011-12-26
申请人： Posco
发明人： KIM, Sang-Heon , JIN, Young-Sool , OH, Min-Suk , KIM, Su-Young , YOO, Bong-Hwan
CPC分类号： B32B15/013 , C23C2/06 , C23C2/20 , C23C2/26 , C23C2/28 , Y10T428/12535 , Y10T428/12799 , Y10T428/12972 , Y10T428/12979 , Y10T428/12993 , Y10T428/27
摘要： Provided is a hot dip zinc (Zn) alloy plated steel sheet having excellent corrosion resistance and surface qualities, and a method of manufacturing the same. For this purpose, the present invention provides a high corrosion resistant hot dip Zn alloy plated steel sheet which includes an underlying steel sheet and a hot dip Zn alloy plating layer, wherein a composition of the hot dip Zn alloy plating layer includes 1 to 3 wt% of aluminum (Al), 1.5 to 4.0 wt% of magnesium (Mg), and Zn and avoidable impurities as a remainder, in which Al + Mg is in a range of 2.5 to 7.0 wt% and Al:(Al + Mg) is in a range of 0.38 to 0.48, and a method of manufacturing the high corrosion resistant hot dip Zn alloy plated steel sheet.
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公开(公告)号：EP3239347B1
公开(公告)日：2019-08-07
申请号：EP15873690.0
申请日：2015-12-24
申请人： Posco
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