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WO/2024/111613A1 |
The present invention controls residual stress resulting from the shape of a groove and strain in a curved part to within a given range, thereby further reducing the BF of a wound core.　Provided is a wound core configured from a grain-...
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WO/2024/110557A1 |
The invention relates to a chromium steel film for producing bipolar plates for fuel cells, wherein: the chromium steel film is austenitic; the chromium steel film consists of the following alloy components in weight percent: 0% < Fe < 8...
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WO/2024/110306A1 |
The invention relates to a method for producing a sheet metal part (9) from a sheet metal blank having an aluminum-based anti-corrosion coating. According to the invention, the sheet metal blank is heated in a furnace and formed and cool...
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WO/2024/111526A1 |
The purpose of the present invention is to provide a high-strength hot-rolled steel sheet having excellent toughness and punchability and also having excellent strength and toughness after post-heating; and a method for producing the hig...
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WO/2024/111984A1 |
The present invention relates to a steel material for general structures which is widely used throughout the industry and a method of manufacturing same, and more specifically, relates to a steel material used for industrial machines, co...
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WO/2024/110333A1 |
A method of forming a susceptor (10) for an induction heating assembly (14). The method comprises providing a blank (40). The blank (40) comprises austenitic stainless steel. The method further comprises subjecting the blank to a plastic...
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WO/2024/111516A1 |
An austenitic stainless steel having a predetermined chemical composition and satisfying [0.010≤VER＋TiER＋NbER], [27.0≤1.13(Ni-NiER)＋(Cr-CrER)+1.85(Mo-MoER)+1.79(Nb-NbER
)<40.5], [NbER<0.052], and [0.5≤(Hv40-Hvt/2)/Hvt/2].
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WO/2024/111628A1 |
The present invention enables a grain-oriented electrical steel sheet in which iron loss is further reduced to be obtained by maintaining, for magnetic domain refinement, the shape of grooves, the positions of strain-introducing parts an...
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WO/2024/110302A1 |
A powder metallurgical steel, suitable for cold working, having a chemical composition comprising (in percent by weight): C 0.9 – 1.3, Si 0.2 – 0.8, Mn 0.1 – 0.6, S equal to or less than 0.2, Cr 3.0 – 5.5, Mo 1.8 – 3.5, W 1.8 â...
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WO/2024/111568A1 |
When a steel material having a prescribed component composition is hot-rolled, cold-rolled, and subjected to decarburization and annealing which also serves as primary recrystallisation annealing, an annealing separator is applied to the...
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WO/2024/111525A1 |
Provided is a high-strength hot-rolled steel sheet having excellent post-heating strength, toughness, and delayed fracture resistance.　The high-strength hot-rolled steel sheet has a component composition containing, by mass%, 0.06-0.23...
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WO/2024/108317A1 |
The present invention relates to super austenitic stainless steels with high mechanical properties and resistance to high temperatures - sea salt for solar thermal plants with thermal energy storage. The stainless steels comprise the fol...
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WO/2024/111647A1 |
This grain-oriented electrical steel sheet has a steel sheet in which a plurality of grooves that extend in a direction intersecting the rolling direction and that have a depth in the sheet thickness direction are formed on the surface t...
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WO/2024/108727A1 |
Hot-dip galvanized DH steel and a preparation method therefor, and an automotive structural part, relating to the technical field of steel preparation. The hot-dip galvanized DH steel comprises a steel matrix and a galvanized layer attac...
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WO/2024/111641A1 |
This grain-oriented electrical steel sheet has a steel sheet on the surface of which a plurality of grooves extending in a direction intersecting the rolling direction and having a depth in the sheet thickness direction are formed. In a ...
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WO/2024/111612A1 |
The present invention further reduces iron loss in an obtained grain-oriented electrical steel sheet by controlling the shape of a linear groove formed for magnetic domain refinement and controlling the Sa values for the surface roughnes...
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WO/2024/111224A1 |
The purpose of the present invention is to provide a resistance spot welding method. The present invention is a resistance spot welding method for joining a sheet set in which two or more steel sheets including at least one high-strength...
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WO/2024/111527A1 |
Provided are: a high-strength hot-rolled steel sheet having excellent toughness and also having excellent strength, toughness and bendability after post-heating; and a method for producing the high-strength hot-rolled steel sheet.　The ...
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WO/2024/109880A1 |
A nanoprecipitate reinforced ultra-high strength steel and a manufacturing method therefor. The ultra-high strength steel comprises the following components in percentage by weight: 0.15-0.21% of C, 0.50% or less of Si, 0.60-1.60% of Mn,...
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WO/2024/111637A1 |
This grain-oriented electrical steel sheet has a silicon steel sheet, an oxide layer that is formed on a surface of the silicon steel sheet and comprises an oxide or oxides of one or more of Mg, Al, and Si, and an insulating film layer t...
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WO/2024/108851A1 |
Provided in the present invention are a preparation method for a samarium-iron-based rare earth permanent magnet material containing a grain boundary phase. By regulating and controlling the components of an alloy and the parameters of a...
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WO/2024/109390A1 |
The present disclosure belongs to the field of intermediate-thickness plate production, and particularly relates to a high-strength HY950CF steel plate for hydropower engineering, and a production method therefor. The chemical components...
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WO/2024/111638A1 |
This grain-oriented electromagnetic steel sheet has a silicon steel sheet, an oxide layer formed on the surface of the silicon steel sheet and comprising oxides of one or more of Mg, Al, and Si, and an insulating coating layer formed on ...
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WO/2024/109921A1 |
The present invention relates to the technical field of heat-resistant steel materials, and in particular, to a method for refining and homogenizing grains of 9-12% Cr rotor steel. The method for refining and homogenizing grains of 9-12%...
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WO/2024/111619A1 |
The present invention enables the achievement of a grain-oriented electromagnetic steel sheet which is further reduced in noise without deteriorating the iron loss reduction effect by controlling the shape of linear grooves that are form...
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WO/2024/111642A1 |
This grain-oriented electrical steel sheet has a steel sheet on the surface of which a plurality of grooves extending in a direction intersecting the rolling direction and having a depth in the sheet thickness direction are formed. In a ...
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WO/2024/111639A1 |
In this grain-oriented electrical steel sheet, a plurality of grooves extending in a direction angled 60-120° with respect to the rolling direction are formed on the surface of a base steel sheet at intervals of 2-10 mm in the rolling d...
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WO/2024/111567A1 |
This model predicts an oxygen amount per unit area after decarburization annealing, and is used for producing a grain-oriented electrical steel sheet by: hot-rolling a steel material for the grain-oriented electrical steel sheet; optiona...
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WO/2024/111630A1 |
The present invention further reduces iron loss of an obtained grain-oriented electrical steel sheet by controlling the shape of grooves to be within a predetermined range in order to subdivide a magnetic domain.　This grain-oriented el...
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WO/2024/105998A1 |
Provided is a hot-rolled steel sheet having a yield strength (YS) of 680 MPa or greater and having excellent bendability and toughness, and a method for producing the same. The hot-rolled steel sheet has a component composition consistin...
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WO/2024/106398A1 |
Provided are a hot-forged untempered steel having high strength, high toughness, and favorable high-frequency quenchability, without being tempered after hot forging, and a method for producing same. The untempered steel has a predetermi...
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WO/2024/106188A1 |
An anisotropic rare earth magnet comprising a magnetic phase and a non-magnetic phase, wherein: the magnetic phase has a composition represented by R2T14B (if the total amount is 100 at.%, R represents one or more rare earth elements whi...
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WO/2024/104280A1 |
A low-carbon high-toughness hot stamping forming component and a steel sheet. A steel sheet base of a hot stamping forming component comprises, in percentage by mass, 0.053%≤C≤0.10%, 0.05%≤Si≤0.30%, 1.81%≤Mn≤2.7%, 0.01%≤Crâ...
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WO/2024/105429A1 |
The invention deals with a steel sheet and press hardened steel part having a composition comprising, by weight percent: C 0.05-0.3%, Mn 0.5-4%, Si 0.24-1.7%, Al 0.01-0.1%, Cr 0.01-1.0%, Ti 0.01-0.1%, B 0.0005-0.08%, Cu 0.05-0.4%, P ≤ ...
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WO/2024/105967A1 |
Provided are a high-strength extremely thick steel sheet and a method for manufacturing same. The high-strength extremely thick steel sheet according to the present invention has: a certain component composition; a texture in which the X...
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WO/2024/105439A1 |
The invention deals with a cold rolled, annealed and tempered steel sheet, made of a steel having a composition comprising, by weight percent: C: 0.03 - 0.18 % Mn: 4.5 – 10.0 % B: 0.0005 – 0.005% Ti 0.010 - 0.050 % Si 0.1 - 1.20 % S ...
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WO/2024/106936A1 |
The present invention relates to a hot rolled steel sheet and a manufacturing method therefor. The objective of one aspect of the present invention is to provide a hot rolled steel sheet having excellent bending workability, strength and...
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WO/2024/104279A1 |
The present invention relates to a steel sheet for hot stamping forming, a hot stamping forming member, and a steel sheet manufacturing method. The steel sheet matrix of the steel sheet for hot stamping forming comprises the following co...
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WO/2024/106001A1 |
Provided are: a hot-rolled steel sheet having tensile strength (TS) of 590 MPa or greater and having excellent workability; and a method for producing same. This hot-rolled steel sheet contains C, Si, Mn, P, S, Al, N, Nb, and optionally ...
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WO/2024/103499A1 |
The present disclosure belongs to the technical field of the manufacturing of high-corrosion-resistance and high-strength steel for an automobile chassis, and disclosed are high-strength steel, zinc-aluminum-magnesium coated steel, an au...
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WO/2024/106000A1 |
Provided are: a hot-rolled steel sheet having tensile strength (TS) of 780 MPa or more and having excellent workability; and a method for producing same. This hot-rolled steel sheet has an arbitrarily selected component composition of C,...
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WO/2024/105428A1 |
High toughness press-hardened steel part and method of manufacturing the same The invention deals with a steel sheet and press hardened steel part having a composition comprising, by weight percent: C 0.05-0.4%, Mn 0.5-4%, Si 0.1-1.3%, A...
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WO/2024/106462A1 |
This grain-oriented electromagnetic steel sheet comprises a base material steel sheet having a prescribed chemical composition, a glass coating film provided to the surface of the base material steel sheet, and a tension-imparting insula...
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WO/2024/106010A1 |
Provided is a ferritic-austenitic duplex stainless steel material containing: 0.001-0.050 mass% of C; 0.01-0.50 mass% of Si; 1.0-4.5 mass% of Mn; at most 0.050 mass% of P; at most 0.030 mass% of S; 1.5-3.5 mass% of Ni; 19.624.0 mass% of ...
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WO/2024/106225A1 |
[Problem] A S-containing stainless steel with excellent surface properties is provided by precisely controlling the composition of oxide inclusions and rendering the oxide inclusions harmless. Furthermore, regarding the producing method ...
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WO/2024/106753A1 |
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises, by wt%, 2.5-4.0% of Si, 0.03-2.0% of Al, and 0.03-2.0% of Mn, and the balance of Fe and inevitable impurities, wherein the area fractio...
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WO/2024/105999A1 |
The present invention provides a hot-rolled steel sheet having a yield strength of not less than 650 MPa, and having excellent bending workability, stretch flange formability, and shrink flange formability. The present invention also pro...
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WO/2024/105537A1 |
The invention deals with a cold rolled, annealed and tempered steel sheet, made of a steel having a composition comprising, by weight percent: C: 0.03 - 0.18 % Mn: 4.5 – 10.0 % B: 0.0005 – 0.005% Ti 0.010 - 0.050 % Si 0.1 - 1.20 % S ...
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WO/2023/063997A9 |
The present disclosure provides compositions comprising iron, about 0.01 to about 0.4% w/w of manganese; about 1.3 to about 1.9% w/w of chromium; about 0.1% w/w or less of nickel; about 1.2 to about 1.7% w/w of molybdenum; about 0.01 to ...
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WO/2024/101377A1 |
Provided are a steel wire material that has high hardness and toughness not only on the surface layer but also in the interior, and a method for manufacturing a steel wire material. This steel wire material contains C at a proportion of ...
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