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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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WO/2024/084018A1 |
The invention relates to a flat steel product for producing a steel component by hot forming, comprising a steel substrate, which consists of a steel having 0.1-3 wt.% Mn and optionally up to 0.01 wt.% B, and an aluminium-based anticorro...
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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/2024/084274A1 |
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% 0.4% ≤ Ti ≤ 4.5% 0 ≤ Si ≤ 3.5% P ≤ 0.013% ...
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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/2024/084336A1 |
The invention relates to a metal powder for additive manufacturing 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...
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WO/2024/082324A1 |
A high-strength and high-toughness maraging stainless steel for ultralow-temperature engineering and a manufacturing method therefor. The main components in the steel comprise: 11.00%-13.00% of Cr, 9.00%-11.00% of Ni, 2.00%-4.00% of Mo, ...
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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/2024/084272A1 |
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% − 1.6% ≤ Si ≤ 3.5% − P ≤ 0.013...
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