公开(公告)号：USRE44940E1

公开(公告)日：2014-06-10

申请号：US13863100

申请日：2013-04-15

Applicant: Arcelormittal France ,  Arcelormittal Atlantique Et Lorraine

Inventor： Jean-Pierre Laurent ,  Jean-Paul Hennechart ,  Dominique Spehner ,  Jacques Devroc

IPC: C21D8/02 ,  B32B15/08 ,  C22C38/06 ,  C22C38/18

CPC classification number: C22C38/32 ,  C21D8/0278 ,  C22C38/38

Abstract: Hot-rolled steel sheet which then can be cold-rolled, coated, the steel in the sheet having the following composition by weight: 0.15%

Abstract translation: 热轧钢板，然后可以进行冷轧，涂层，具有以下重量组成的片材中的钢：0.15％<碳<0.5％0.5％<锰<3％0.1％<硅<0.5％0.01％ <铬<1％钛<0.2％铝<0.1％磷<0.1％硫<0.05％0.0005％<硼<0.08％，其余为加工中固有的铁和杂质，热处理后确保极高的机械阻力 和铝基涂层，确保高耐腐蚀性。

公开(公告)号：US20250154734A1

公开(公告)日：2025-05-15

申请号：US18840127

申请日：2022-02-28

Applicant: ArcelorMittal

Inventor： Giuseppe SELLITTO ,  Michaël GREMLING ,  Elena DI SILVESTRO

IPC: E01D18/00 ,  B61B13/08 ,  B61B13/10 ,  E01D2/04 ,  E01D19/02 ,  E01D21/06

Abstract: A method for erecting a portion of a transportation structure including two assemblies of tube segments, capable of being placed under low air pressure and through which pods may travel substantially free of air friction, the method including: (a) erecting a substructure including a first plurality of girders forming a first transportation pathway, a second plurality of girders forming a second transportation pathway and a plurality of platforms forming a service pathway, the erecting step including conveying with vehicle(s) the girders and platforms along the first and/or second transportation pathway, positioning them and having the vehicle(s) return along the service pathway, (b) conveying, with vehicle(s), the tube segments along the first and/or second transportation pathway, positioning them and having the vehicle(s) return along the service pathway. A portion of a transportation structure is also provided.

公开(公告)号：US20250137082A1

公开(公告)日：2025-05-01

申请号：US19011505

申请日：2025-01-06

Applicant: ArcelorMittal

Inventor： Alice DUMONT ,  Guillaume Stechmann ,  Emmanuel Lucas ,  Matthieu Salib

IPC: C21D9/00 ,  C21D1/18 ,  C21D6/00 ,  C21D7/13 ,  C21D8/00 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/28 ,  C22C38/32

Abstract: A steel sheet having a chemical composition including in wt % C: 0.2-0.4%, Mn: 0.8-2.0%, Si: 0.1-0.5%, Al: 0.01-0.1%, Ti: 0.01-0.1%, B: 0.0005-0.005%, P≤0.040%, Ca≤0.01%, S≤0.006%, N≤0.01%. The steel sheet includes from the bulk to the surface of the coated steel sheet a bulk and a skin layer occupying the outermost 10% of the thickness on either side of the bulk. The bulk is topped by a skin layer occupying the outermost 10% of the thickness on either side of the bulk, the density of TiN/Ti(C,N) inclusions in the skin being smaller than 240 particles/mm2 and the clustering index of MnS inclusions in the skin being lower than 110 μm/mm2. This allows to manufacture hot pressed parts having a tensile strength equal to or greater than 1300 MPa and a bending angle normalized to 1.5 mm and measured in the transverse direction strictly greater than 48°.

公开(公告)号：US20250129448A1

公开(公告)日：2025-04-24

申请号：US18833024

申请日：2022-02-10

Applicant: ArcelorMittal

Inventor： Asier VICENTE ROJO ,  Philippe Marcel RUSSO

IPC: C22B1/00 ,  C22B1/24

Abstract: A method for the treatment of ferrous scrap 1 including magnetic and non-magnetic materials, the method including at least a friction step 110 wherein the ferrous scrap is subjected to a mechanical friction to obtain cleaned scrap 11 and a magnetic sorting step 120 wherein the cleaned scrap 11 is separated into a non-magnetic coarse fraction 12A and a magnetic coarse fraction 12B. An associated steelmaking method and plant is also provided.

公开(公告)号：US12270087B2

公开(公告)日：2025-04-08

申请号：US17771862

申请日：2020-10-20

Applicant: ArcelorMittal

Inventor： Raisa Grigorieva ,  Florin Duminica ,  Brahim Nabi ,  Pascal Drillet ,  Thierry Sturel

IPC: C21D7/13 ,  C21D8/02 ,  C23C2/12 ,  C23C2/26 ,  C23C2/28 ,  C23C14/35

Abstract: press hardening method includes the following steps: A. the provision of a steel sheet for heat-treatment, precoated with a zinc- or aluminum-based pre-coating, B. the deposition of a hydrogen barrier pre-coating over a thickness from 10 to 550 nm, and comprising at least one element chosen from among: nickel, chromium, magnesium, aluminum and yttrium, C. batch annealing of the precoated steel sheet to obtain a pre-alloyed steel sheet, the cooling after the batch annealing being performed at a speed of 29.0° C.h−1 or less, D. the cutting of the pre-alloyed steel sheet to obtain blank, E. thermal treatment of the blank to obtain a fully austenitic microstructure in the steel, F. the transfer of the blank into a press tool, G. the hot-forming of the blank to obtain a part, H. the cooling of the part obtained at step G).

公开(公告)号：US20250102227A1

公开(公告)日：2025-03-27

申请号：US18975558

申请日：2024-12-10

Applicant: ArcelorMittal

Inventor： Mahdi FARAHANI ,  Justin FARLEY ,  George TSVIK ,  Gabriel Jesus LUCENA MOGOLLON

IPC: F27B1/28 ,  C21B13/02 ,  F27D21/00 ,  G01K13/024 ,  H01J49/04

Abstract: A direct reduction shaft furnace having at least one probe disposed vertically within the reduction zone thereof. The probe preferably extends from the top to the bottom of the reduction zone. The probe allows for gas sampling along the length thereof and transmittal of the gas to at least one type of gas analysis device. The probe may also allow for the measurement of the temperature and pressure of the gas sample as it is taken.

公开(公告)号：US20250087797A1

公开(公告)日：2025-03-13

申请号：US18292744

申请日：2022-06-24

Applicant: ArcelorMittal

Inventor： Pascale SANZEY ,  Christian ALLELY ,  Tarek KRIM ,  Laurence DOSDAT ,  Aurélie BESSON

IPC: H01M50/164 ,  H01M50/159 ,  H01M50/16

Abstract: A top cover of a battery pack including a metallic coated steel sheet wherein the metallic coating is topped by an organic coating and wherein the organic coating has two layers, the first layer of the organic coating in contact with the metallic coating having a thickness of 2 to 25 μm, and the second layer of the organic coating being based on polyester or polyurethane.

公开(公告)号：US20250034684A1

公开(公告)日：2025-01-30

申请号：US18811753

申请日：2024-08-21

Applicant: ArcelorMittal

Inventor： Clément PHILIPPOT ,  Doriane SERRA ,  Hubert SALMON LEGAGNEUR ,  David DUSSAUSSOIS

IPC: C22C38/04 ,  C21D6/00 ,  C21D8/02 ,  C22C38/00 ,  C22C38/02 ,  C22C38/14 ,  C23C2/12

Abstract: A hot-stamped coated steel part includes a steel substrate and an aluminum alloy coating comprising, proceeding from steel substrate outwards, an interdiffusion layer and an outer layer. The total thickness of the coating ecoating and the thickness of the interdiffusion layer eIDL satisfy the following condition: with 40 ≤ E pc ≤ 80 E pc = ( 33.3 - e IDL 0.9 + e IDL - e coating ) 2 - 148 ⁢ ( e IDL - e coating ) - ( 33.3 - e IDL 0.9 + e IDL - E coating ) The hot-stamped coated steel part comprises an undeformed portion having a thickness ePflat from 0.6 mm to 3.5 mm, and at least one deformed portion. A lineic density of cracks dC in the coating in the undeformed portion is higher than or equal to a minimum lineic density of cracks dCmin(ePflat) defined as: dc min ( e pflat ) - 15.5 + 91 * e - 7.44 - 2.88 * arctan ⁡ ( 5.49 * ( e pflat - 1.71 ) ) - 106.5 * e - 8.62 - 3.34 * arctan ⁡ ( 5.49 * ( e pflat - 1.71 ) )

公开(公告)号：US12209406B2

公开(公告)日：2025-01-28

申请号：US17778970

申请日：2020-11-26

Applicant: ArcelorMittal

Inventor： Frédéric Delcuve ,  Peggy Schouller

IPC: E04B1/66 ,  E04B2/92 ,  E04C2/292

Abstract: A facade element (1D), to be fastened to a building structure with other such facade elements (1A, 1B, 1C) to build one of the external walls of the building. The facade element includes an assembly of sandwich panels fastened to a metal framework, an upper waterproofing membrane that covers up an upper edge of the facade element, and a lower waterproofing membrane (5D) fixed to the inner face of the facade element. The lower waterproofing membrane extends beyond a lower edge of the facade element, up to an outer face of another facade element (1B) placed below. Both the upper and lower waterproofing membranes have overhanging parts (51D), extending beyond the left (35D) and right edges of the facade element. A building facade, and to a process for the assembling of a building facade is also provided.

公开(公告)号：US20250019791A1

公开(公告)日：2025-01-16

申请号：US18716356

申请日：2022-12-13

Applicant: ArcelorMittal

Inventor： Ahmed KHELASSI ,  Walter DAL'MAZ SILVA ,  Morvan PLUNIAN

IPC: C21D9/56 ,  C21D11/00

Abstract: A method for regulating an atmosphere A inside a furnace, wherein a steel strip having a composition and an exposed surface area A1 is heat treated from a time T0 to a time TS1END and a steel strip, having a composition and an exposed surface area is heat treated from a time TS2START to a time TN, including the following steps: a data acquisition step, an optimisation step and an injection of H2O.