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WO/2021/171519A1 |
Provided is a hot-stamped article comprising a steel base material and an Al-Zn-Mg plating layer formed on the surface of the steel base material, wherein: the plating layer has a prescribed chemical composition; the plating layer compri...
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WO/2021/170861A1 |
The invention relates to a method of conditioning the surface of a steel strip coated with an electrolytically deposited zinc alloy anticorrosion layer, which is subjected to an increase in temperature to alter the steel microstructure, ...
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WO/2021/166350A1 |
The present invention enables the achievement of a high-strength hot dipped galvanized steel sheet which has excellent plating appearance even in cases where a steel strip that contains Mn in a predetermined amount or more relative to Si...
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WO/2021/167092A1 |
Provided is a steel material with aluminum-based plating for hot-forming that comprises, on at least one surface of the steel material, an aluminum-based plating layer with an alloying rate of at least 35%, the ratio of the maximum thick...
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WO/2021/165088A1 |
The invention relates to a method for improving the wettability of a surface-finished steel sheet (10), in which a protective coating (2) based on Zn-Al-Mg is applied, wherein a native oxide layer comprising at least ZnO, Al2O3 and MgO i...
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WO/2021/162084A1 |
This hot stamp molded article comprises a steel plate. All or part of the steel plate has a predetermined chemical composition, the metal structure in a 1/4 depth position of the plate thickness of the steel plate from the surface thereo...
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WO/2021/161923A1 |
This device for assisting the determination of the state of a roll surface is provided with: a vibration detection unit which detects a vibration of a scraper unit having a blade that comes into contact with the surface of a roll that is...
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WO/2021/162101A1 |
This bonded component comprises a first steel member, a second steel member, and a spot welding part which bonds the first steel member and the second steel member to each other. The first steel member comprises: a steel sheet base mater...
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WO/2021/161679A1 |
The purpose of the present invention is to provide: a high-strength steel sheet which has a tensile strength of 1,180 MPa or more and good bending workability, while being insusceptible to the occurrence of liquid metal embrittlement dur...
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WO/2021/156101A1 |
The invention relates to a steel sheet for hot forming, comprising a substrate (1) made of a hardenable steel material with an aluminium-based coating (2), wherein an intermetallic layer (3) is formed between the substrate (1) and the al...
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WO/2021/148312A1 |
The invention relates to a steel component (13) comprising a steel substrate (15) having an anti-corrosion coating (17) provided on at least one face of the steel substrate (15). The anti-corrosion coating (17) comprises an alloy layer (...
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WO/2021/144164A1 |
The invention relates to a method for producing a surface-treated and surface-conditioned steel sheet (11), said method having the following steps: - providing a steel sheet (1) with a zinc-based coating (1.1), wherein zinc grains (2) ar...
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WO/2021/144192A1 |
The invention relates to a method for producing a surface-treated and surface-conditioned steel sheet (11), said method having the following steps: providing a steel sheet (1) with a zinc-based coating (1.1) which has a first degree of s...
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WO/2021/143446A1 |
A metal surface treatment method, comprising the following steps: performing dry polishing treatment on the surface of a metal product by means of a biological abrasive; purifying the surface of the polished metal product; coating the su...
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WO/2021/140663A1 |
A high-strength galvanized steel sheet which has a steel structure that has a specific component composition, while containing, in area ratio, from 35% to 80% of ferrite, 0.1% or more but less than 5.0% of as-quenched martensite, from 3....
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WO/2021/140893A1 |
A steel sheet having a predetermined component composition satisfying formula (1), wherein a microstructure existing at a location 1/4 of the sheet thickness from the surface in the sheet thickness direction includes, in vol%, 95% or mor...
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WO/2021/141006A1 |
The steel sheet according to the present invention is characterized by having a predetermined chemical composition, and in that: the chemical composition satisfies formulae (1-1) to (1-3) and contains, in area%, 80% or more of ferrite, 2...
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WO/2021/140901A1 |
A steel sheet having a predetermined component composition, wherein a microstructure existing at a location 1/4 of the sheet thickness from the surface in the sheet thickness direction includes, in vol%, 80% or more of ferrite, 2% or les...
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WO/2021/139955A1 |
The present invention is directed to an aqueous passivation composition for the treatment of zinc or zinc alloy coatings, said composition having a pH of less than 3 and comprising: i) at least one water-soluble polyphosphonic acid or a ...
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WO/2021/136355A1 |
Disclosed are a low-silicon and low-carbon equivalent GPa grade multi-phase steel plate/steel strip and a manufacturing method therefor. The steel plate/steel strip comprises the following components in percentages by weight: 0.03-0.07% ...
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WO/2021/130602A1 |
The invention mainly relates to a pre-coated steel sheet wherein at least a region at the periphery (7) of at least one (6a;6b) of the opposite faces (6a,6b) of said pre-coated sheet (1,1') is coated with an additional coating (8) select...
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WO/2021/130422A1 |
Disclosed is a device for removing mattes from the surface of a liquid metal bath (2) inside a duct (3) of a line for continuously coating a metal strip (1) having first and second faces, the first face being intended to come into contac...
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WO/2021/130524A1 |
The invention mainly relates to a pre-coated steel sheet wherein at least a region at the periphery (7) of at least one (6a;6b) of the opposite faces (6a,6b) of said pre-coated sheet (1,1') is coated with an additional coating (8) select...
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WO/2021/123225A1 |
The present invention relates to a process for forming a metal component (20), the process comprising the steps of heating a metal blank (20) coated with a protective layer; cooling said metal blank (20) in a confined space (14), said co...
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WO/2021/125901A2 |
The present invention relates to an aluminum-based alloy-plated steel sheet having excellent workability and corrosion resistance, and a manufacturing method therefor, and, more specifically, to: an aluminum alloy-plated steel sheet whic...
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WO/2021/125696A2 |
An embodiment of the present invention provides: an aluminum alloy-plated steel sheet; a hot-formed member; and methods for manufacturing the aluminum alloy-plated steel sheet and hot-formed member. The aluminum alloy-plated steel sheet ...
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WO/2021/125830A1 |
The objective of the present invention is to provide a chemical conversion treatment composition and a chemical conversion treatment method for preventing surface tarnish defects occurring in Zn-Al-Mg alloy plated steel sheets and chroma...
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WO/2021/125888A2 |
The present invention relates to an aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and a method for manufacturing same and, more specifically, to an aluminum alloy-plated steel sheet which prevent...
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WO/2021/125885A1 |
The present invention relates to a high-strength hot-dip galvanized steel sheet with excellent surface quality and electric resistance spot weldability, and a method for manufacturing same. A galvanized steel sheet, according to one aspe...
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WO/2021/125832A2 |
The present invention provides an aluminum-iron-plated steel sheet, having excellent mold wear resistance, for hot press forming, and a manufacturing method thereof.
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WO/2021/123239A1 |
The present invention relates to conductive multicomponent multiphase metal alloy. The metal alloy has the following (in atom-%):Ni, in a total amount of 35–70; wherein the remaining 30–65 comprises at least three elements selected f...
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WO/2021/121863A1 |
The invention relates to a device (1) consisting of at least one first (2) and one second (3) component, wherein the first (2) and the second component (3) are components of a field device for processing and automation technology, which ...
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WO/2021/125887A2 |
The present invention relates to an aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and a method for manufacturing same and, more specifically, to an aluminum alloy-plated steel sheet which prevent...
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WO/2021/125630A1 |
An embodiment of the present invention provides a hot dip Zn-Al-Mg-based alloy-plated steel material having excellent corrosion resistance of a processed portion, and a method for manufacturing same. The steel material includes an iron s...
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WO/2021/125581A1 |
Disclosed in one embodiment of the present invention is a hot stamped part comprising: a base steel sheet; and a plated layer positioned on top of the base steel sheet and including a first layer and a second layer, sequentially stacked ...
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WO/2021/122106A1 |
The invention relates to a metal sheet (1) having a deterministic surface structure (2), the surface structure (2) being stamped into the metal sheet (1), the surface structure (2) having at least one peak region (1.1) and at least one t...
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WO/2021/123880A1 |
Cold-rolled and annealed steel sheet and manufacturing method The steel sheet has a composition comprising 0.060 % ≤ C ≤ 0.085 %, 1.8 % ≤ Mn ≤ 2.0%, 0.4% ≤ Cr ≤ 0.6%, 0.1 % ≤ Si ≤ 0.5 %, 0.010% ≤ Nb ≤ 0.025%, 3.42N â‰...
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WO/2021/125625A1 |
One embodiment of the present invention provides a hot dip alloy coated steel material having excellent anti-corrosion properties and a method for manufacturing same, the hot dip alloy coated steel material comprising: a base steel plate...
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WO/2021/120334A1 |
A steel plate comprising a zinc-aluminum-magnesium coating and a manufacturing method therefor. The method may comprise: pretreating a cold-rolled steel plate; immersing the pretreated steel plate in a plating solution containing zinc, a...
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WO/2021/117988A1 |
Disclosed are a hot-dip galvannealed steel sheet with ultra-high strength and high formability, and a manufacturing method therefor. In one specific embodiment, a hot-dip galvannealed steel sheet comprises: a base steel sheet; and a hot-...
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WO/2021/115863A1 |
A process for covering galvanized steel with a ZnSn(OH)6coating by immersion in a bath containing stannate ions under conditions of pH comprised between (12) and (13) and of temperature comprised between 70°C and 90°C until galvanized ...
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WO/2021/116727A1 |
The present invention relates to a method and an equipment permitting to optimally handle and support a roll made of at least an inert material and transfer the torque from a bearing to a roll or the other way around without damaging the...
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WO/2021/116318A1 |
The invention allows the phosphating of flat steel products to be carried out within a short time in the production of flat steel products that are provided with a Zn-based protective layer. For this purpose, according to the invention a...
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WO/2021/116582A1 |
The invention relates to a method for removing residues present on a metal strip at the outlet of a cooling stage of a continuous line, the residues being formed during a cooling of said metal strip by a non-oxidizing liquid solution for...
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WO/2021/116594A1 |
The invention relates to a method and a device for rapidly cooling a metal strip and removing residues present on the strip after this cooling, wherein the residues are formed during a cooling of said metal strip by a non-oxidizing liqui...
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WO/2021/116964A1 |
A stabilization apparatus for stabilizing a metal strip rising from a molten metal bath along a theoretical feeding plane (X), comprising : - at least one pair of air knives (1), each being arranged in a mutually specular manner with res...
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WO/2021/118773A1 |
A method for measuring average thickness of a metal or alloy coating on a metal or alloy substrate using an X-ray fluorescence (XRF) spectrometer is used when the coating has an uneven surface at different distances from a measurement wi...
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WO/2021/112488A1 |
Provided are thick hot-rolled composite-phase steel having excellent durability and a method for manufacturing same. The thick composite-phase steel having excellent durability according to the present invention comprises, by wt%, 0.05-0...
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WO/2021/112392A1 |
The present invention relates to a surface treatment composition comprising, on the basis of 100 wt% of the solid part of the composition: 70-90 wt% of a mixture of a high-molecular-weight polysilicon-modified polyurethane base resin and...
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WO/2021/112521A1 |
The present invention relates to a steel sheet plated with an Al alloy and a manufacturing method therefor and, more specifically, to a steel sheet plated with an Al alloy which can be preferably applied as a vehicle steel sheet and the ...
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