公开(公告)号：US20240360540A1

公开(公告)日：2024-10-31

申请号：US18688707

申请日：2022-09-28

申请人： POSCO CO., LTD

发明人： Tae-Chul Kim ,  Sung-Joo Kim ,  Myung-Soo Kim ,  Bong-Hwan Yoo ,  Yong-Kyun Cho ,  Il-Ryoung Sohn

IPC分类号： C23C2/06 ,  C22C18/04 ,  C23C2/16 ,  C23C2/28

CPC分类号： C23C2/06 ,  C22C18/04 ,  C23C2/16 ,  C23C2/29

摘要： The present invention provides a Zn—Mg—Al-based plated steel sheet having excellent in corrosion resistance and whiteness, and a method for manufacturing the same. And more specifically, the present invention provides a Zn—Mg—Al-based plated steel sheet having excellent in corrosion resistance, whiteness and bendability, and a method for manufacturing the same.

公开(公告)号：US11643714B2

公开(公告)日：2023-05-09

申请号：US17729491

申请日：2022-04-26

申请人： POSCO

发明人： Il-Ryoung Sohn ,  Tae-Chul Kim ,  Jung-Kuk Kim ,  Kyung-Jin An ,  Jung-Hoon Kim ,  Jong-Un Jung ,  Jin-Seo Park

IPC分类号： C23C2/20 ,  C23C2/06 ,  C23C2/28 ,  C23C2/14 ,  C23C2/26 ,  C23C2/40 ,  C23C28/02 ,  C23C30/00 ,  C23C18/00 ,  C23C18/04 ,  C22C18/04 ,  C22C18/00 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  B32B15/01 ,  B32B15/04 ,  B32B15/18 ,  C23C2/00 ,  C23C2/12 ,  C23C2/16

CPC分类号： C23C2/20 ,  B32B15/013 ,  B32B15/04 ,  B32B15/043 ,  B32B15/18 ,  C22C18/00 ,  C22C18/04 ,  C22C38/00 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C23C2/06 ,  C23C2/12 ,  C23C2/14 ,  C23C2/16 ,  C23C2/26 ,  C23C2/261 ,  C23C2/28 ,  C23C2/40 ,  C23C2/50 ,  C23C2/522 ,  C23C2/525 ,  C23C18/00 ,  C23C18/04 ,  C23C28/021 ,  C23C28/023 ,  C23C28/025 ,  C23C30/00 ,  C23C30/005 ,  Y10T428/12799 ,  Y10T428/12951 ,  Y10T428/12958 ,  Y10T428/12972 ,  Y10T428/12979 ,  Y10T428/2495 ,  Y10T428/24959 ,  Y10T428/24967 ,  Y10T428/26 ,  Y10T428/263 ,  Y10T428/264 ,  Y10T428/265

摘要： The present disclosure relates to a plated steel material that can be used in an automobile, a household appliance, a building material, and the like, and more particularly, to a zinc alloy plated steel material having excellent surface quality and corrosion resistance, and a method for manufacturing the same.

公开(公告)号：US10815559B2

公开(公告)日：2020-10-27

申请号：US15756707

申请日：2017-02-20

申请人： PRIMETALS TECHNOLOGIES JAPAN, LTD.

发明人： Takashi Yonekura ,  Masao Tambara ,  Masashi Yoshikawa ,  Shinji Nanba

IPC分类号： C23C2/20 ,  C23C2/40 ,  C23C2/16 ,  C23C2/18

摘要： Provided are a molten metal plating facility and a method with which degradation in the surface quality of a strip can be prevented by preventing the adhesion of splashes. In a molten metal plating facility and a method for plating a strip (S) with molten metal by guiding the strip (S) into a molten metal bath (Mm) and then guiding the strip (S) upward, a pair of wiping nozzles (12a, 12b) disposed so as to face a front surface side and a back surface side of the strip (S) guided upward is used to discharge air streams (Ea, Eb) toward a collision point (A) inside the strip (S) such that the first air streams spread out in a strip width direction of the strip (S), and a pair of outer nozzles (15a, 15b) disposed so as to face a front surface side and a back surface side of an extended plane on an outer side of the strip (S) with respect to the strip width direction, above the wiping nozzles (12a, 12b) and on each of both outer sides of the strip (S) with respect to the strip width direction is used to discharge air streams (Fa, Fb) toward a collision point (B) within the extended plane and below the collision point (A).

公开(公告)号：US20190381764A1

公开(公告)日：2019-12-19

申请号：US16471203

申请日：2017-12-22

申请人： POSCO

发明人： Ki-Cheol KANG ,  Hyeon-Seok HWANG ,  Yon-Kyun SONG ,  Il-Jeong PARK

IPC分类号： B32B15/01 ,  C22C21/02 ,  C23C2/12 ,  C23C2/28 ,  C23C2/16

摘要： Provided is a hot dip aluminized steel material including a base steel and a hot-dip Al—Si-coated layer, wherein the surface layer of the base steel is provided with an Al-enriched layer in which 2 wt % to 20 wt % of Al is solid-solubilized, and an interface between the base steel and the hot-dip Al—Si-coated layer has a double-layer structured interfacial alloy layer having different hardnesses.

公开(公告)号：US20180010225A1

公开(公告)日：2018-01-11

申请号：US15539660

申请日：2015-12-21

申请人： POSCO

发明人： Yong Hun KWEON ,  Tae In JANG ,  Yeon Chae JEUNG

IPC分类号： C23C2/16 ,  C23C2/06 ,  C23C2/00

CPC分类号： C23C2/16 ,  C23C2/00 ,  C23C2/003 ,  C23C2/06 ,  C23C2/14

摘要： The present invention relates to an apparatus for removing top dross of a plating pot where a snout and an air knife are arranged, the snout being arranged between the front end region and the rear end region of a plating pot. The present invention provides an apparatus for removing top dross of a plating pot, the apparatus comprising: a first wiping means which is mounted on the plating pot and is arranged between the snout and the air knife so as to be movable in the width direction of the plating pot; a second wiping means which is mounted on the plating pot and is rotatably arranged between the air knife and the first wiping means so as to transfer, to the rear end region, the top dross transferred by the first wiping means; and a third wiping means which is mounted on the plating pot and is rotatably arranged between the air knife and the front end region so as to transfer the top dross to the front end region. Thereby, the present invention provides an advantageous effect of effectively removing dross.

公开(公告)号：US20160312345A1

公开(公告)日：2016-10-27

申请号：US15104237

申请日：2014-09-30

申请人： XIAMEN NEW STEEL METAL PRODUCTS CO.,LTD.

发明人： Yufei ZHENG

IPC分类号： C23C2/00 ,  C23C2/16 ,  C23C2/06 ,  C23C2/26 ,  C23C2/02

CPC分类号： C23C2/003 ,  B05C9/14 ,  C23C2/02 ,  C23C2/06 ,  C23C2/16 ,  C23C2/26

摘要： A galvanising epoxy-coating production line includes a sandblasting machine an assisting plating machine, a first air knife, a first pre-heater, a hot dip tank, a second air knife, a second pre-heater, an epoxy spray chamber, and a cooling chamber, arranged sequentially in order of workflow. The assisting plating machine, the first air knife, the first pre-heater, the hot dip tank, the second air knife, the second pre-heater, and the epoxy spray chamber are provided with moving channels through which workpieces can pass. Between the devices is provided with a rolling conveyer on which the workpieces run. The production efficiency is high. The electroplated rebars are long.

摘要翻译： 镀锌环氧涂层生产线包括喷砂机，辅助电镀机，第一气刀，第一预热器，热浸槽，第二气刀，第二预热器，环氧喷雾室和 冷却室，按工作流程顺序排列。 辅助电镀机，第一气刀，第一预热器，热浸槽，第二气刀，第二预热器和环氧喷雾室设置有工件可以通过的移动通道。 在设备之间设置有工件运行的滚动式输送机。 生产效率高。 电镀钢筋很长。

公开(公告)号：US09469894B2

公开(公告)日：2016-10-18

申请号：US14008544

申请日：2012-03-30

申请人： Willem Van Rijswijk ,  Hendrik Bart Van Veldhuizen ,  Nicolaas Noort ,  Theodorus Franciscus Jozef Maalman

发明人： Willem Van Rijswijk ,  Hendrik Bart Van Veldhuizen ,  Nicolaas Noort ,  Theodorus Franciscus Jozef Maalman

IPC分类号： C23C2/40 ,  C23C2/00 ,  C23C2/14 ,  C23C2/16 ,  C23C2/18 ,  C23C2/20 ,  C23C2/22

CPC分类号： C23C2/40 ,  C23C2/003 ,  C23C2/14 ,  C23C2/16 ,  C23C2/18 ,  C23C2/20 ,  C23C2/22

摘要： An apparatus for coating moving strip material with a metallic coating material, the apparatus including a container for holding metallic coating material, the strip running through the container during use, and including a wiping device for controlling the thickness of the coating on the strip. The container is provided with an opening for the strip leaving the container. The wiping device includes foils or sheets for producing the coating. The walls of the container forming the opening for the strip are directly coupled to the foils or sheets.

摘要翻译： 一种用金属涂层材料涂覆移动带状材料的装置，该装置包括用于保持金属涂层材料的容器，该条带在使用期间延伸穿过容器，并且包括用于控制条带上涂层厚度的擦拭装置。 容器设置有用于条带离开容器的开口。 擦拭装置包括用于生产涂层的箔或片。 形成条带开口的容器的壁直接连接到箔或片。

公开(公告)号：US20160076127A1

公开(公告)日：2016-03-17

申请号：US14940689

申请日：2015-11-13

申请人： Dongkuk Steel Mill Co., Ltd.

发明人： Byung-Sun MOON ,  Byung-Moon LIM ,  Young-Keun SONG

IPC分类号： C23C2/16 ,  C23C2/26

CPC分类号： C23C2/16 ,  B05C3/125 ,  B05C11/11 ,  B05D1/18 ,  B05D3/042 ,  C23C2/003 ,  C23C2/06 ,  C23C2/12 ,  C23C2/26 ,  C23C2/30

摘要： The device of the present invention can enhance the quality of surface appearance through a nitrogen curtain section facilitating oxidation suppressing at a lower end portion of an air knife to suppress an oxide from being generated from an upper portion of a coating bath and block adsorption of the oxide to the surface of a coated layer.This device includes lower gas discharge bars spaced apart from the surface of the coating bath by a predetermined distance and discharging a nitrogen gas in a direction of the surface of the coating bath along a circumference of the coated steel sheet; a side cover extending upwardly slopingly in a direction of the coated steel sheet from the sides of the lower gas discharge bars; and upper gas discharge bars formed at an upper end of the side cover and discharging a nitrogen gas downwardly.

摘要翻译： 本发明的装置可以通过氮气幕部分提高表面外观的质量，促进在气刀的下端部进行氧化抑制，以抑制从涂浴的上部产生的氧化物和块状吸附 氧化物到涂层的表面。 该装置包括从涂层表面间隔开预定距离的下部气体放电杆，沿着涂覆钢板的圆周沿涂层表面的方向排出氮气; 从所述下部气体放电杆的侧面沿着所述涂覆钢板的方向向上倾斜地延伸的侧盖; 以及形成在侧盖的上端并向下排出氮气的上部气体排出杆。

公开(公告)号：US1707770A

公开(公告)日：1929-04-02

申请号：US74964924

申请日：1924-11-13

申请人： BLAW KNOX CO

发明人： WAYNE RAWLEY ,  PLUSKEY ORAND A

IPC分类号： C23C2/16

CPC分类号： C23C2/16

公开(公告)号：US20240141469A1

公开(公告)日：2024-05-02

申请号：US18272712

申请日：2022-03-14

申请人： NIPPON STEEL CORPORATION

发明人： Keitaro MATSUDA ,  Takuya MITSUNOBU ,  Masaaki URANAKA ,  Jun MAKI ,  Hiroshi TAKEBAYASHI

IPC分类号： C23C2/06 ,  C21D6/00 ,  C21D8/02 ,  C21D9/46 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C38/38 ,  C23C2/02 ,  C23C2/16 ,  C23C2/28

CPC分类号： C23C2/06 ,  C21D6/001 ,  C21D6/002 ,  C21D6/005 ,  C21D6/008 ,  C21D8/0205 ,  C21D8/0236 ,  C21D8/0252 ,  C21D8/0278 ,  C21D9/46 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C38/38 ,  C23C2/022 ,  C23C2/16 ,  C23C2/285

摘要： High strength plated steel sheet having high hydrogen embrittlement resistance, that is, alloyed hot dip galvannealed steel sheet including steel sheet containing C: 0.05 to 0.40%, Si: 0.2 to 3.0%, Mn: 0.1 to 5.0%, and sol. Al: 0.4 to 1.50% and a alloyed hot dip galvannealed layer deposited on at least one surface of the steel sheet to 10 to 100 g/m2 and containing Fe: 5.0 to 15.0% and Al: 0.01 to 1.0%, having an internal oxidation layer including grain boundary oxides in a surface layer of the steel sheet, when examining a cross-section of a surface layer of the steel sheet, a Ratio A of the length of the grain boundary oxides projected an interface of the steel sheet and the alloyed hot dip galvannealed layer to the length of interface is 50% or more and 100% or less, and a surface depleted layer with a steel composition not including the grain boundary oxides which satisfies, by mass %, Si≤0.6% and Al≥0.05% is included at a depth of ½ of the average depth of the internal oxidation layer.