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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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WO/2024/101248A1 |
The present invention addresses the problem of providing an electromagnetic wave-absorbing composition comprising a thermoplastic resin or a thermoplastic elastomer, wherein the composition has electromagnetic wave-absorbing capability a...
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WO/2024/101317A1 |
The present invention provides a high-strength clad steel sheet which has excellent ammonia SCC resistance and excellent toughness at low temperatures, and which is suitable for use for a tank that is used for transportation or storage o...
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WO/2024/100433A1 |
The invention relates to a ferritic stainless steel sheet, the composition of which comprises, the contents being expressed by weight: C ≤ 0.03% 0.25% ≤ Mn ≤ 1%, preferably 0.3% ≤ Mn ≤ 0.5% 0% < Si ≤ 0.20%, preferably Si ≤ ...
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WO/2024/100939A1 |
The present invention provides an electric resistance welded steel pipe and a rectangular steel pipe which have excellent anti-buckling performance, a hot-rolled steel sheet which is used as a material for the same, and a line pipe and a...
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WO/2024/099362A1 |
A non-oriented silicon steel plate and a production method therefor. The content of Si and the content of Al in non-oriented silicon steel are finely regulated and controlled on the basis of the value of (Si/Al)/(Si+Al), and a production...
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WO/2024/101376A1 |
Provided is a steel wire rod having excellent shearing workability during cold rolling and high hardness and toughness. A steel wire rod according to the present invention contains 0.10-0.90 mass% of C, 0.10-3.00 mass% of Si, 0.10-2.00 m...
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WO/2024/101709A1 |
Disclosed is an invention concerning a method for manufacturing non-oriented electrical steel sheets with excellent magnetic properties and the non-oriented electrical steel sheets produced thereby. In a specific embodiment, the method f...
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WO/2024/101148A1 |
This anisotropic magnet includes: an R-T-B-based magnet (A) (R represents a rare earth element containing Nd and/or Pr, and T represents Fe, or Fe and Co.) in which rare earth elements are contained in an amount of more than 12 at% and l...
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WO/2024/093354A1 |
The present invention relates to the technical field of steel and iron materials. Disclosed are 700 MPa-grade hot-rolled vehicle frame steel with a thin specification of 1.2-2.0 mm and a manufacturing method therefor. The hot-rolled vehi...
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WO/2024/096073A1 |
The present invention provides a hot-rolled coil characterized by having prescribed chemical composition, and by having a metal structure in which, at a center part in the length direction, when a crystal grain is defined as a region sur...
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WO/2024/093182A1 |
Disclosed in the present invention are a method and a device for improving the hardness of a reaustenitizing area of a hypereutectoid steel rail joint. The method comprises: performing front-end treatment; subjecting a hypereutectoid ste...
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WO/2024/096305A1 |
The present invention provides a CeFe12-based compound as a permanent magnet for replacing a conventional neodymium magnet Nd2Fe14B. Compared with Ce2Fe14B having a tetragonal crystal and having iron elements that form a layered complex ...
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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/2024/096761A1 |
The invention relates to ferrous metallurgy, in particular to the production of grain oriented electrical steel used for the manufacture of power and distribution magnetic cores of transformers, specifically to the electrical insulating ...
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WO/2024/096114A1 |
The present invention provides an austenitic stainless steel sheet in which intergranular cracking is suppressed (nitriding resistance) and the occurrence of red scale is suppressed (oxidation resistance) even in gas atmospheres containi...
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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/2024/095809A1 |
This hot-rolled steel sheet has a specific chemical composition; the metal structure of this hot-rolled steel sheet at a position where the depth from the surface is 1/4 in the sheet thickness direction comprises, in area%, less than 3.0...
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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/2024/096109A1 |
The present invention provides a ferritic stainless steel sheet in which intergranular cracking is inhibited (nitrification resistance), and a red scale is inhibited from occurring (oxidation resistance), in a moderate- to high-temperatu...
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WO/2024/093461A1 |
A steel for an economical, long-service-life and high-power wind power yaw bearing ring, a bearing ring and a production process therefor, which belong to the field of alloy steel. By controlling the proportion of chemical components and...
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WO/2024/095678A1 |
Provided is a solid wire with which a penetration bead with an excellent appearance and a weld metal having excellent mechanical performance can be obtained without using any back shielding gas. The solid wire, which is for use in weldin...
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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/2024/094823A1 |
The invention relates to a process for producing a raw magnet (1), wherein – a magnetic starting material (3) is mixed with a binder (5) to obtain a mixture (7) of the magnetic starting material (3) and the binder (5), wherein – a bl...
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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/2024/090011A1 |
Provided is a high-strength steel sheet having high strength and excellent component strength, ductility, stretch flange properties, bendability, and warm workability. A high-strength steel sheet according to the present invention has: 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/2024/089931A1 |
This hot-pressed member comprising an Al-Zn-based coating layer is free from problems involving chemical convertibility as seen in Al-plated steel sheets and from problems involving LME cracking as seen in Zn-based plated steel sheets, a...
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WO/2024/090032A1 |
The purpose of the present invention is to provide: a high-strength plated steel sheet which has a TS of 1180 MPa or more and is not decreased in ductility after plating, thereby having excellent formability, and which also has excellent...
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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/2024/090229A1 |
Provided is a method for more easily ensuring the accuracy when analyzing the carbon concentration distribution in accordance with the position in a steel material to be subjected to a carburization treatment. Specifically, this method i...
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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/2024/090033A1 |
The purpose is to provide a high-strength plated steel sheet having a TS of 1,180 MPa or more, having excellent shaping characteristics and hydrogen bending embrittlement resistance without a reduction in ductility after plating and havi...
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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/2024/084273A1 |
The invention relates to a metal powder having a composition comprising the following elements, expressed in content by weight: − 15% ≤ Mn ≤ 35% − 6% ≤ Al ≤ 15% − 0.5% ≤ C ≤ 1.8% − 0% ≤ Si ≤ 0.5% − P ≤ 0.013% ...
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