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WO/2023/207768A1 |
Disclosed in the present invention is a preparation method for a high-strength and high-toughness thin 7-series aluminum alloy strip, the method comprising: performing mechanical stitching, threading, pre-cleaning, a solid solution treat...
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WO/2023/207928A1 |
Disclosed in the present disclosure are an aluminum alloy core material for a heat exchanger, and a heat exchange tube and the heat exchanger adopting same. The aluminum alloy core material comprises an aluminum alloy material, and the a...
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WO/2023/208254A1 |
Disclosed in the present invention is an ultrahigh-strength cold-rolled steel strip having a tensile strength of 1450 MPa or above, comprising Fe and inevitable impurity elements, and further comprising the following chemical elements in...
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WO/2023/212717A1 |
The present invention provides steel alloys with hydrogen degradation resistance comprising controlled amounts of Mn and C, as well as Al, Cr, Cu, Ni and Si. The steel alloys have an austenite microstructure and relatively high stacking ...
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WO/2023/210715A1 |
This laser processing device comprises: a laser light source unit that irradiates, with a laser beam, the surface of a steel plate being transported in a preset transport direction; a gas injection unit that injects first gas parallel to...
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WO/2023/210911A1 |
The present invention provides a hot stamping component manufacturing method comprising the steps of: forming a blank by cutting a plated steel sheet having a plating layer formed on at least one surface of a base metal; and heating the ...
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WO/2023/210046A1 |
Provided is an electric resistance welded steel pipe having high strength as well as excellent processability and toughness, which is suitable for steel pipes for mechanical structures used in parts of automotive vehicles, construction m...
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WO/2023/208274A1 |
Method for producing a support film for catalytic converters with application temperatures < 900°C, consisting of an iron-chromium-aluminium alloy containing 8-14% by weight Cr, 1-4% by weight Al and iron as the remainder, along with me...
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WO/2023/210912A1 |
The present invention provides a method for manufacturing a hot-stamped part, comprising: a step of forming a blank by cutting a plated steel sheet in which a plating layer is formed on at least one surface of a base material; and a step...
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WO/2023/204299A1 |
Provided is a grain-oriented electromagnetic steel sheet that enables reduction of iron loss and improvement of adhesiveness of a secondary coating film. In the grain-oriented electromagnetic steel sheet according to the present embodime...
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WO/2023/204294A1 |
Provided is a steel material that has high strength and excellent SSC resistance. The steel material according to the present disclosure contains, by mass%, 0.20%–0.35% C, 0.60%–1.30% Si, 0.05%–0.25% Mn, no more than 0.050% P, no m...
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WO/2023/204109A1 |
The present invention provides a steel sheet that has a prescribed component composition and has a microstructure in which: at a depth of 1/4 the steel sheet thickness, the ferrite percentage is 5 to 95%, the martensite island percentage...
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WO/2023/204266A1 |
This grain-oriented electromagnetic steel sheet comprises a base steel sheet and an insulating coating film disposed directly on the base steel sheet. When this grain-oriented electromagnetic steel sheet is cut along a direction parallel...
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WO/2023/204244A1 |
This steel plate processing device comprises: a laser emission unit that forms a groove in the surface of a steel plate; an illumination unit that emits a pulsed beam onto the groove; an image capture unit that generates a captured image...
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WO/2023/204269A1 |
This grain-oriented electromagnetic steel sheet is provided with a base steel sheet and an insulating coating film arranged on the base steel sheet in contact with the base steel sheet. When a cross-sectional surface of the grain-oriente...
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WO/2023/204267A1 |
This grain-oriented electromagnetic steel sheet comprises a base steel sheet and an insulating coating film disposed directly on the base steel sheet. When this grain-oriented electromagnetic steel sheet is cut along a direction parallel...
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WO/2023/203702A1 |
Provided is a technique for achieving both of excellent toughness at a lower temperature and a low yield ratio in a high-strength steel having TS of equal to or larger than 690 MPa (TS ≥690MPa). Provided is a steel sheet having a compo...
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WO/2023/203815A1 |
The present invention provides a steel sheet which has a high strength, with TS ≥ 690 MPa, which achieves an excellent low-temperature toughness and low yield ratio, and which exhibits little acoustical anisotropy. The steel sheet has ...
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WO/2023/199034A1 |
A method of producing a coated electrical steel is described. The method comprises: providing an electrical steel substrate; providing a coating composition, said coating composition comprising silica particles, metal phosphate, and a gr...
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WO/2023/197571A1 |
Disclosed in the present invention is a 360HB-450HB grade abrasion resistant steel, comprising the following chemical components in percentage by mass: C: 0.10%-0.30%, Si: 0.20%-0.50%, Mn: 0.80%-1.60%, P≤0.020%, S≤0.005%, Ti: 0.008%-...
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WO/2023/197572A1 |
Disclosed in the present invention is 500 HB grade or above abrasion-resistant steel, the chemical components and the mass percentages thereof are as follows: 0.15%-0.45% of C, 0.15%-0.50% of Si, 0.50%-1.80% of Mn, P ≤ 0.015%, S ≤ 0....
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WO/2023/199902A1 |
Provided is an alloy material that has sufficient creep strength in a high temperature environment and is capable of attaining both excellent resistance to stress relaxation cracking and excellent resistance to welding hot cracking. The ...
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WO/2023/198721A1 |
The present disclosure relates to a welding duplex stainless steel material comprising the following alloying elements in wt% C max 0.030 Si max 0.50 Mn 0.50 to 2.50 P max 0.030 S max 0.030 Cr 29.0 to 32.0 Ni 7.0 to 11.0 Mo 0.50 to 1.50 ...
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WO/2023/198720A1 |
The present invention relates to a duplex stainless steel comprising the following elements in weight%: C max 0.030; Si max 0.30; Mn 0.20 to 2.50; P max 0.030; S max 0.030; Cr 28.5 to 30.5; Ni 6.0 to 8.0; Mo 0.70 to 3.00; W 2.00 to 4.40;...
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WO/2023/195470A1 |
The purpose of the present invention is to provide an oriented electromagnetic steel sheet with which iron loss is further improved during magnetic domain control for forming a laser groove in a cold rolling steel sheet. The present in...
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WO/2023/195465A1 |
This laminated core comprises a plurality of electrical steel sheets laminated to each other, and adhesive portions provided between electrical steel sheets adjacent to each other in the lamination direction and adhering said electrical ...
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WO/2023/195466A1 |
The purpose of the present invention is to provide a grain-oriented electromagnetic steel sheet for which iron loss is further improved in magnetic domain control for forming a laser groove in a cold rolled steel sheet. The present inven...
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WO/2023/194450A1 |
The invention relates to a method for producing hardened steel components, wherein a sheet metal blank is cut out from a galvanized or alloy-galvanized strip made of a hardenable steel alloy and the sheet metal blank is then cold-formed ...
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WO/2023/195518A1 |
This grain-oriented electromagnetic steel sheet comprises a base steel sheet and an insulating coating film that is formed on the surface of the base steel sheet. The insulating coating film comprises: an intermediate layer that is forme...
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WO/2023/195517A1 |
This grain-oriented electrical steel sheet includes a parent material steel sheet and an insulating coating film that is formed on the surface of the parent material steel sheet. The insulating coating film includes an intermediate layer...
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WO/2023/195361A1 |
Provided is a martensite stainless steel material having high strength, excellent SSC resistance, and excellent low-temperature toughness. The martensite stainless steel material according the present disclosure contains, by mass%, 0.030...
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WO/2023/195464A1 |
This laminated core comprises a plurality of electrical steel sheets laminated to each other, and insulating layers provided between electrical steel sheets adjacent to each other in the lamination direction and adhering said electrical ...
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WO/2023/195226A1 |
The present invention provides: a soft magnetic iron alloy plate that makes it possible to exhibit higher Bs and lower Pi than an electromagnetic pure iron plate, and that enables a greater cost reduction than permendur; a production met...
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WO/2023/190963A1 |
A nanocrystal alloy ribbon is provided. According to this method for manufacturing a nanocrystal alloy ribbon, when an amorphous alloy ribbon is contacted with a heating body and heated, the heating body is heated to a heating temperatur...
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WO/2023/184957A1 |
The invention provides a high heat input welding steel plate and a manufacturing method therefor. The chemical composition of the high heat input welding steel plate comprises, by mass percentages: C≤0.1%, Si≤0.15%, S≤0.004%, Mn+Cr...
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WO/2023/190621A1 |
The present invention provides: a non-oriented electromagnetic steel sheet which has a chemical composition that contains, in mass%, 0.006% or less of C, 1.0% to 5.0% of Si, less than 2.5% of sol. Al, 3.0% or less of Mn, 0.30% or less of...
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WO/2023/190994A1 |
A wire rod comprising a chemical composition in a predetermined range, wherein, when the diameter of the wire rod is D, in a cross section perpendicular to the longitudinal direction of the wire rod, the metal structure at the position o...
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WO/2023/184782A1 |
Disclosed in the present invention is a manufacturing method for a hot forging-formed, composite-quenched and structure-refined high-strength bolt. The manufacturing method comprises hot forging forming and complete quenching, critical z...
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WO/2023/191029A1 |
This grain-oriented electrical steel sheet is characterized in that: the chemical composition of a base material steel sheet comprises, in mass%, Si: 2.5 to 4.5%, Mn: 0.01 to 1.00%, N: ≤ 0.01%, C: ≤ 0.01%, sol.Al: ≤ 0.01%, S: ≤ 0...
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WO/2023/190331A1 |
In a surface of this grain-oriented magnetic steel plate, a ratio (a groove presence ratio), of a total length of magnetic-domain control processing lines aligned in a rolling direction and forming an angle of 0° to 45° with respect to...
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WO/2023/190328A1 |
In a grain-oriented electrical steel sheet according to one aspect of the present invention, on the surface of the grain-oriented electrical steel sheet, the tensile stress presence ratio is 50% or more in a first region that is a region...
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WO/2023/190409A1 |
Provided is a mechanical structural part in which strain after an induction heat treatment is reliably reduced to eliminate the problem of eccentricity in parts having a large aspect ratio, particularly parts having an axially shaped por...
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WO/2023/188148A1 |
A method for manufacturing an oriented electromagnetic steel sheet according to the present invention comprises: a cold rolling step in which a cold rolled steel sheet is manufactured; a finish annealing step in which the cold rolled ste...
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WO/2023/190806A1 |
The purpose of the present invention is to provide a magnesium oxide which is for an annealing separating agent and which is used for obtaining a grain-oriented electrical steel sheet having excellent coating characteristics. The prese...
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WO/2023/188594A1 |
The present invention provides an electromagnetic steel sheet that is provided with an insulating film which exhibits a low iron loss and an excellent close-adhesiveness with respect to a forsterite film. For that purpose, provided is a ...
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WO/2023/186585A1 |
The invention relates to a method for producing a metal product in a plurality of successive process steps, each with an assigned set of manipulated variables, the method having the following steps: measuring an actual property of the me...
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WO/2023/190645A1 |
Provided is a method for annealing a hot-rolled steel strip, the method controlling the annealing temperature with high accuracy to obtain good magnetic properties throughout the length of the steel strip. In a method for annealing a hot...
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WO/2023/190339A1 |
A grain-oriented electromagnetic steel sheet according to an embodiment of the present invention has magnetic domain refining process lines indicating the portions at which a magnetic domain refining process is carried out on magnetic do...
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WO/2023/180543A1 |
The invention relates to a method for heating a sheet-steel blank or a pre-shaped sheet-steel component having a zinc coating or a zinc-alloy coating, in which method: the sheet-steel component or the sheet-steel blank is guided through ...
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WO/2023/182474A1 |
The component composition of the non-oriented electromagnetic steel sheet according to the present invention contains the following, in mass%: C : 0.0005 to 0.0030%, Si : 1.5 to 3.5%, Al : 0.10 to 2.00%, Mn : 0.1 to 2.0%, P : not more th...
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