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WO/2024/096068A1 |
The present invention provides a coating liquid for forming an insulating coating used in a directional electromagnetic steel sheet, the coating liquid being characterized in containing aluminum hydroxide particles and boric acid, the sp...
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WO/2024/096472A1 |
The present invention provides an alloy composition having a two-phase structure with excellent cryogenic toughness, which can store various liquefied gases such as hydrogen, LNG and nitrogen more safely because it exhibits excellent cry...
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WO/2024/095532A1 |
Provided is a hot rolled steel sheet that has a prescribed chemical composition and contains 80 to 98% of at least one of a ferrite and a bainite in total and 2 to10% of a martensite in terms of areal percentage and that has a metallic s...
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WO/2024/095665A1 |
The present invention involves hot rolling, hot-rolled-sheet annealing, cold rolling, and finish annealing a steel slab that contains, by mass%, 0.0005%–0.0100% of C, 2.0%–4.5% of Si, 0.1%–2.0% of Mn, and a total of 0.01%–0.20% o...
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WO/2024/095534A1 |
Provided is a hot-rolled steel plate characterized by having a predetermined chemical composition, by containing, in terms of area ratio, 60%-80% of ferrite, 15%-30% of bainite, and 3%-10% of martensite, by having a microstructure in whi...
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WO/2024/095103A1 |
The invention covers a high slenderness structural part having excellent crash resistance and energy absorption both in bending and compressive mode and being made from materials having an ultimate tensile strength above 1300MPa, a ratio...
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WO/2024/095045A1 |
The invention covers a high slenderness structural part having excellent crash resistance and energy absorption both in bending and compressive mode and being made from materials having an ultimate tensile strength above 1300MPa, a ratio...
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WO/2024/095533A1 |
Provided is a hot-rolled steel sheet characterized by having a predetermined chemical composition, and having a metal structure which includes, in area%, 30-60 % of ferrite, 30-60 % of bainite, and 5-20 % of martensite and in which TiC d...
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WO/2024/095595A1 |
Provided is a non-oriented electromagnetic steel sheet in which a decrease in magnetic flux density and a decrease in productivity are avoided, and the core loss in a high magnetic flux density region is low. In addition, proposed is an ...
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WO/2024/095666A1 |
A non-oriented magnetic steel sheet is manufactured by: hot-rolling a slab containing, by mass%, 0.005% or less of carbon, 3.0–5.0% of silicon, 3.0% or less of aluminum, 3.0% or less of manganese, and 0.01–0.5% of copper; annealing a...
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WO/2024/094410A1 |
The invention relates to a non-grain-oriented metal electrical steel strip or sheet, consisting of the components named below, in each case in percent by weight, in short: wt.%: C: 0.0005 to 0.0040; Si: 3.2 to 3.4; Al: 0.85 to 1.05; Mn: ...
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WO/2024/096082A1 |
The objective of the present invention is to provide a grain-oriented electromagnetic steel sheet with low iron loss that does not have a forsterite coating (glass coating) and is heat-resistant domain-controlled.　A grain-oriented elec...
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WO/2024/089827A1 |
Provided are: a high-strength non-oriented electromagnetic steel sheet having good fatigue characteristics suitable for a rotor core; and a non-oriented electromagnetic steel sheet having excellent magnetic characteristics suitable for a...
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WO/2024/087788A1 |
Disclosed in the present invention are steel for forged bucket teeth of an excavator, and a preparation method therefor. The steel for forged bucket teeth of an excavator comprises the following chemical components in percentages by mass...
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WO/2024/089828A1 |
Provided is a non-oriented electromagnetic steel sheet having favorable fatigue characteristics that are suitable for rotor cores, and having excellent magnetic characteristics that are suitable for stator cores. This non-oriented electr...
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WO/2024/088056A1 |
The present disclosure relates to the technical field of wide and thick plate metallurgy, and in particular to TMCP-produced low-cost Q550D steel and a production method therefor. In the present disclosure, a medium carbon design is used...
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WO/2024/088380A1 |
The present disclosure relates to a corrosion-resistant steel and a manufacturing method therefor, the corrosion-resistant steel comprising the following chemical components by weight percentage: C, 0.05-0.12%; Si, 0.20-0.50%; Mn, 0.5-1....
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WO/2024/090614A1 |
The present invention pertains to: a steel plate which is used in ships etc. and in which a heat-affected zone (HAZ) formed by welding has excellent toughness; and a method for manufacturing same.
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WO/2024/091054A1 |
A method for manufacturing a steel section, according to an embodiment of the present invention, comprises the steps of: (a) reheating steel to 1150-1300 °C, the steel comprising 0.04-0.14 wt% of carbon (C), 0.10-0.55 wt% of silicon (Si...
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WO/2024/091057A1 |
A steel section manufacturing method, according to one embodiment of the present invention, comprises the steps of: (a) reheating steel at a temperature of 1200°C or higher, the steel comprising 0.17% by weight or less of carbon (C), 1....
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WO/2024/091717A1 |
A polymer-derived composition and method for providing a ceramic-based precursor coating on a metal surface are disclosed. The composition comprises one or more preceramic polymers admixed with one or more metal particulates without orga...
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WO/2024/090727A1 |
A method for manufacturing a hot rolled steel sheet according to an embodiment of the present invention comprises the steps of: manufacturing a molten metal; manufacturing a semi-finished product; and manufacturing a hot rolled steel she...
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WO/2024/088378A1 |
The present disclosure relates to a corrosion-resistant steel and a manufacturing method therefor. The corrosion-resistant steel contains the following chemical components in percentage by weight: 0.03-0.12% of C, 0.20-0.50% of Si, 0.4-0...
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WO/2024/090933A1 |
The present invention relates to a steel sheet and a manufacturing method thereof and, more specifically, to a steel sheet having excellent bendability and a manufacturing method thereof.
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WO/2024/085736A1 |
A martensitic stainless steel cast according to one embodiment of the present invention may be a martensitic stainless steel cast comprising in weight%: C: 0.4% to 0.55%; N: 0.01% to 0.1%; Si: 0.2% to 0.6%; Mn: 0.4% to 0.9%; Cr: 13.6% to...
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WO/2024/082955A1 |
A corrosion-resistant 460 MPa-grade steel plate and a production method therefor. The steel plate uses a corrosion-resistant alloying component system and has Cr, Ni, Mo, Cu, P added therein, so that the usage of precious alloy is reduce...
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WO/2024/082755A1 |
The present application relates to the technical field of alloy materials, and in particular, to a tin plate and a manufacturing method therefor. According to the provided manufacturing method for the tin plate, a component design of low...
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WO/2024/085155A1 |
Provided is a duplex stainless steel material having high strength and excellent corrosion resistance. This duplex stainless steel material contains, in mass%, 0.030% or less of C, 0.20-1.00% of Si, 0.5-7.0% of Mn, 0.040% or less of P, 0...
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WO/2024/082997A1 |
A low-yield-ratio marine-grade steel having yield strength greater than or equal to 750 MPa and a production process therefor. The steel plate comprises the following chemical components: 0.06%-0.10% of C, 0.1%-0.2% of Si, 0.60%-1.0% of ...
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WO/2024/083497A1 |
The invention provides an elongated steel wire, the elongated steel wire comprises a steel filament and a zinc coating covering the steel filament, the elongated steel wire having a tensile strength of more than 2200MPa, and the elongate...
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WO/2024/080327A1 |
Provided is a hot-rolled steel sheet: that has a desired chemical composition; in which a metal structure thereof at a 1/4 position in the sheet thickness direction from a surface consists of, in terms of area%, less than 3.0% of residua...
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WO/2024/079296A1 |
The disclosure describes a component (100) for a mechanical device. The component (100) is made at least partly of steel and has one or more circular holes (102-105) for receiving a screw. Furthermore, for each circular hole (102-105) th...
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WO/2024/080657A1 |
The present invention relates to a material applied to vehicle members and, more specifically, to a cold-rolled steel sheet and a plated steel sheet, having highly excellent bending properties, and methods for manufacturing same.
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WO/2024/077679A1 |
A controlled cooling process for a piston made of non-quenched and tempered steel, and a device for the controlled cooling process. The process comprises: measuring the temperature of a forged piston, the product being a qualified produc...
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WO/2024/080474A1 |
According to an embodiment of the present invention, an austenitic stainless steel can be provided comprising, in weight percentage, C: 0.03% or less (excluding 0), N: 0.15 to 0.25%, Si: 1.0% or less (excluding 0), Mn: 3.3 to 7.5%, Cr: 1...
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WO/2024/080140A1 |
Provided is a nonoriented electromagnetic steel sheet that achieves both fine magnetic properties and punch-out workability. Further, proposed is a method for manufacturing the nonoriented electromagnetic steel sheet. This nonoriented el...
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WO/2024/075761A1 |
Provided is a duplex stainless steel material having excellent whole surface corrosion resistance in a high-temperature, high-pressure, strong acidic corrosive environment, and excellent pitting corrosion resistance in a high-temperature...
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WO/2024/074465A1 |
A first embodiment relates to a method for producing a CoFe alloy for a laminated core. According to the method, a stack of a plurality of laminations made of a CoFe alloy with 5 to 55 wt.% Co is thermally treated at a temperature (T1) i...
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WO/2024/075788A1 |
The purpose of the present invention is to provide a grain-oriented electromagnetic steel sheet in which iron loss is improved and which suppresses a decrease in productivity in magnetic domain control in which a laser groove is formed.ã...
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WO/2024/075258A1 |
A seamless steel tube having an inner surface and an outer surface, and having a chemical composition of, by mass, 0.06% or less of C, 0.55% or less of Si, 0.70-1.40% of Mn, 0.020% or less of P, 0.0005-0.020% of S, 0.005% or less of N, 0...
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WO/2024/075789A1 |
An objective of the present invention is to provide a grain-oriented electromagnetic steel sheet that exhibits improved iron loss in magnetic domain control for forming laser grooves in a steel sheet that has been subjected to decarburiz...
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WO/2024/070647A1 |
Provided is an austenitic stainless steel sheet which has a chemical composition comprising, in % by mass, 0.150% or less of C, 2.0% or less of Si, 3.00% or less of Mn, 0.060% or less of P, 0.0080% or less of S, 16.0 to 22.0% of Cr, 3.00...
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WO/2024/070413A1 |
Provided is a martensitic free-cutting stainless steel bar material characterized by having chemical components including 0.10-0.60% of C, 0.1-2.0% of Si, 0.1-3.0% of Mn, 0.15-0.40% of S, 0.10% or less of P, and 11.0-16.0% of Cr, the bal...
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WO/2024/071354A1 |
The purpose of the present invention is to provide a steel tube and a production method therefor, the steel tube being suitable for steel structures used in high pressure hydrogen gas environments, such as line pipes for 100% hydrogen ga...
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WO/2024/071353A1 |
The purpose of the present invention is to provide: a steel material which has excellent fatigue characteristics in a high-pressure hydrogen gas environment and is suitable for use in a steel structure, which is used in the high-pressure...
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WO/2024/071352A1 |
The purpose of the present invention is to provide a steel pipe for a line pipe and a method of manufacturing the same, and a steel material for a line pipe and a method of manufacturing the same, the steel pipe for a line pipe being sui...
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WO/2024/071378A1 |
This non-oriented electromagnetic steel sheet includes a steel sheet and the chemical composition of the steel sheet contains, in mass%, 0.0030% or less of C, 1.0-3.5% of Si, 0.10-2.00% of Al, 0.1-2.0% of Mn, 0.20% or less of P, 0.0030% ...
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WO/2024/070489A1 |
This non-oriented electromagnetic steel sheet contains, in mass%: C, 0.005% or less; Si, 2.00% to 4.50%; Mn, 0.01% to 5.00%; Al, 0.03% to 5.00%; SE, which is the total of one or more of S, Se, and Te, more than 0% but no more than 0.005%...
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WO/2024/070807A1 |
This non-oriented electromagnetic steel sheet comprises a base steel sheet and an insulating coating film, in which the base steel sheet has a specified chemical composition, the base steel sheet has a thickness of 0.10 mm to 0.35 mm inc...
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WO/2024/071522A1 |
The present invention provides an ultrahigh-strength steel sheet, which comprises, by weight%, 0.1% to 0.30% of carbon (C), 1.0% to 2.0% of silicon (Si), 1.5% to 3.0% of magnesium (Mg), 0% (exclusive) to 0.05% of aluminum (Al), 0% (exclu...
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