公开(公告)号：US20240352550A1

公开(公告)日：2024-10-24

申请号：US18684721

申请日：2022-08-11

Applicant: THYSSENKRUPP STEEL EUROPE AG

Inventor： Janko BANIK ,  Dirk ROSENSTOCK ,  Cássia CASTRO MÜLLER ,  Thomas GERBER ,  Maria KÖYER ,  Sebastian STILLE

IPC: C21D8/02 ,  C22C21/10 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C23C2/00 ,  C23C2/12 ,  C23C2/28

CPC classification number: C21D8/0226 ,  C21D8/0205 ,  C21D8/0236 ,  C21D8/0252 ,  C21D8/0273 ,  C21D8/0278 ,  C22C21/10 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C23C2/12 ,  C23C2/29 ,  C23C2/522 ,  C21D2211/002 ,  C21D2211/004 ,  C21D2211/008

Abstract: A flat steel product for hot forming to a formed shaped sheet metal part and processes of making same. The flat steel product and the shaped sheet metal part have improved properties, especially in conjunction with an aluminum-based anticorrosion coating.

公开(公告)号：US11992857B2

公开(公告)日：2024-05-28

申请号：US16977774

申请日：2019-03-07

Applicant: NIPPON STEEL CORPORATION

Inventor： Makoto Yamaguchi ,  Takeshi Harada ,  Yusuke Tosa ,  Tadashi Inaya ,  Yuichi Tateishi

IPC: C23C2/00 ,  B05C3/12 ,  B05C11/11 ,  B22D11/18 ,  B22D2/00 ,  B22D43/00

CPC classification number: B05C11/11 ,  B05C3/125 ,  B22D11/182 ,  C23C2/0034 ,  C23C2/00344 ,  C23C2/325 ,  C23C2/52 ,  C23C2/522 ,  B22D2/001 ,  B22D2/006 ,  B22D43/005

Abstract: A dross removal device including: a dross robot that is configured to collect a bath surface dross present on a bath surface of a coating bath; a dross sensor that is configured to measure an intensity of infrared light from the bath surface of the coating bath; a dross sensor control device that is configured to specify a position of the bath surface dross according to a temporal change amount in the intensity of the infrared light; and a dross robot control device that is configured to cause the dross robot to collect the bath surface dross at the position specified by the dross sensor control device.

公开(公告)号：US20240026514A1

公开(公告)日：2024-01-25

申请号：US18266269

申请日：2021-12-15

Applicant: POSCO CO., LTD

Inventor： Suk-Kyu LEE ,  Jong-Gi OH ,  Myung-Soo KIM

IPC: C23C2/12 ,  C23C2/40 ,  C21D9/46 ,  C22C38/04 ,  C22C38/06 ,  C21D8/02 ,  C23C2/00 ,  C22C21/10

CPC classification number: C23C2/12 ,  C23C2/40 ,  C21D9/46 ,  C22C38/04 ,  C22C38/06 ,  C21D8/0273 ,  C23C2/522 ,  C22C21/10 ,  C21D2211/001 ,  C21D2211/005

Abstract: Provided is an aluminum coated steel sheet having excellent anti-corrosion properties and weldability, and a manufacturing method thereof. The aluminum coated steel sheet includes: an austenitic base steel sheet including at least 70 area % of an austenite microstructure; and an aluminum coating layer formed on the base steel sheet, wherein the base steel sheet includes at least 80 area % of ferrite in a surface layer portion, which denotes a region extending from the interface with the coating layer to a depth of 100 μm into the base steel sheet, and the aluminum coating layer may have a composition comprising 2-12 wt % of Si, 5-30 wt % of Zn, and 0.1-5 wt % of Mn, with the balance being Al and inevitable impurities.

公开(公告)号：US11643714B2

公开(公告)日：2023-05-09

申请号：US17729491

申请日：2022-04-26

Applicant: POSCO

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

IPC: 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 classification number: 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

Abstract: 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：US20240011119A1

公开(公告)日：2024-01-11

申请号：US18267342

申请日：2021-12-09

Applicant: POSCO

Inventor： Young-Ha Kim ,  Myung-Soo Kim ,  Kwang-Tai Min ,  Ki-Cheol Kang

IPC: C21D9/46 ,  C23C2/40 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C2/00 ,  C23C2/06 ,  C21D8/02 ,  C23G1/00

CPC classification number: C21D9/46 ,  C23C2/40 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C2/522 ,  C23C2/06 ,  C21D8/0226 ,  C21D8/0236 ,  C23G1/00

Abstract: An embodiment of the present invention provides a high strength hot-dip galvanized steel sheet having excellent plating adhesion and weldability and a method of manufacturing same, wherein: the steel sheet comprises a base steel sheet and a hot-dip galvanized layer formed on one surface or both surfaces of the base steel sheet, the base steel sheet comprising, in weight %, carbon (C): 0.1-0.3%, silicon (Si): 0.1-2.0%, aluminum (Al): 0.1-1.5%, manganese (Mn): 1.5-3.0%, and the balance being Fe and inevitable impurities, the sum of Si and Al satisfying 1.2-3.5%, the ratio (Al/Si) of Al and Si satisfying 0.5-2.0; the steel sheet comprises an internal oxidation layer with a thickness of 1-5 μm directly below the surface of the base steel sheet; and the decarburization rate in a region from directly below the surface of the base steel sheet to 50 μm is 50% or more.

公开(公告)号：US20230193444A1

公开(公告)日：2023-06-22

申请号：US17924757

申请日：2021-03-24

Applicant: Clecim SAS

Inventor： Laurent Cloutot ,  Lionel Goiset ,  Benjamin Grenier

IPC: C23C2/20 ,  C23C2/00

CPC classification number: C23C2/20 ,  C23C2/00344 ,  C23C2/524 ,  C23C2/522

Abstract: An installation for coating a longitudinally-running, strip-shaped metal product includes a tank containing a coating in liquid form, into which the metal product is dipped, a wiping system disposed at a vertical outlet of the product from the tank and intended to wipe each face of the strip-shaped product, at least one ancillary device disposed at an outlet of the product from the wiping system in a manner facing one of the faces of the product, and a holding device holding the wiping system and the ancillary device. The holding device includes a securing unit forming a common lateral support for the wiping system and each ancillary device by using multiple securing points.