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WO/2023/167303A1 |
The present invention provides a means for suppressing propagation of edge cracking. The present invention provides a method for producing a grain-oriented electromagnetic steel sheet, the method comprising a step in which after hot roll...
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WO/2023/167226A1 |
The purpose of the present invention is to provide an alloy tool steel for hot working that has both excellent toughness and excellent softening resistance. Provided is an alloy tool steel for hot working, containing carbon, silicon, man...
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WO/2023/165008A1 |
A low-carbon and energy-saving production method for a 2,060-MPa-grade-or-higher wire rod for a bridge cable. By means of the component design of 'high chromium/medium silicon/no precious metal alloy' combined with the technological proc...
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WO/2023/165510A1 |
Disclosed in the present invention is a cold rolled steel plate for a galvanized steel plate, containing Fe and inevitable impurities, and also containing the following chemical elements, in mass percent: 0.18-0.25% of C, 1.5-2.0% of Si,...
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WO/2023/165068A1 |
The present invention relates to a carburized bearing steel for a large-load rolling mill bearing and a production method therefor. The steel comprises the following chemical components (in percentages by mass): C: 0.17-0.23, Si: 0.15-0....
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WO/2023/167319A1 |
Provided is a steel material that can reduce the hydrogen embrittlement susceptibility of bolts. This steel material contains, in mass%, 0.30-0.50% of C, 0.01-0.30% of Si, 0.10-1.50% of Mn, 0.030% or less of P, 0.030% or less of S, more ...
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WO/2023/166926A1 |
Provided is a high-Ni alloy thick steel sheet having excellent weld high-temperature cracking resistance, the steel sheet being characterized by containing, in % by mass, 0.15% or less of C, 0.05 to 1.0% of Si, 0.05 to 2.0% of Mn, 0.035%...
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WO/2023/165645A1 |
The invention relates to a method for producing rolling bearing components with a high degree of toughness, having the steps of: providing at least one rolling bearing component made of a steel material, said steel material having a high...
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WO/2023/167016A1 |
Provided is a three-phase tripod iron core which has excellent magnetic characteristics and has a low transformer iron loss without using two or more kinds of materials having different magnetic characteristics. This three-phase tripod...
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WO/2023/166935A1 |
The present invention provides a steel sheet which exhibits excellent ammonia stress corrosion cracking properties, low-temperature toughness of a base material, toughness of HAZ, strength characteristics, and in which reductions in flat...
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WO/2023/162190A1 |
Provided are: a steel sheet having a tensile strength (TS) of 780 MPa or more and having excellent collision characteristics; a member; and methods for manufacturing the steel sheet and the member. This steel sheet has a component comp...
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WO/2023/162817A1 |
The present invention provides a duplex stainless steel material which has high strength and excellent toughness at low temperatures. A duplex stainless steel material according to the present disclosure contains, in mass%, 0.030% or les...
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WO/2023/162571A1 |
Provided is a high-strength steel plate which has excellent ammonia SCC resistance and low-temperature toughness, and is used for storage tanks for storing liquefied gas in energy transport ships. The steel plate: has a predetermined com...
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WO/2023/162381A1 |
The present invention provides: a steel sheet which has a tensile strength (TS) of not less than 440 MPa but less than 780 MPa, while exhibiting excellent collision characteristics; a member; a method for producing this steel sheet; and ...
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WO/2023/162614A1 |
Provided is a hot stamped compact that has a prescribed chemical composition, and has a metal structure containing at least 90 vol% martensite, wherein the average grain diameter of the prior austenite grains is 3.0 µm or less, the stan...
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WO/2023/162891A1 |
This steel sheet contains, in mass%, 0.15-0.50% of C, 0.01-1.00% of Si, 1.00-3.00% of Mn, 0-0.0200% of P, 0.0001-0.0200% of S, 0.001-0.100% of Al, 0-0.020% of N, and the remainder comprises Fe and impurities. The area ratio of the metal ...
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WO/2023/162205A1 |
The present invention provides: a steel sheet which has excellent material uniformity and high strength; a member; a method for producing this steel sheet; and a method for producing this member. The present invention provides a steel ...
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WO/2023/162507A1 |
Provided is a high-strength steel sheet having excellent low-temperature toughness and resistance to ammonia SCC, the steel sheet being provided to a storage tank, or similar, that is used to accommodate a liquefied gas in an energy tran...
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WO/2023/162896A1 |
In the present invention, a steel for a crude oil tank has a chemical composition containing, by mass, 0.03-0.20% of C, 0.05-0.50% of Si, 0.60-2.00% of Mn, 0.030% or less of P, 0.030% or less of S, 0.001-0.050% of Al, and 0.001-0.010% of...
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WO/2023/162522A1 |
The present invention provides a high-strength steel sheet which has exceptional ammonia SCC resistance and low-temperature toughness, and is used for a storage tank in which a liquefied gas is stored in an energy transport ship, or the ...
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WO/2023/163005A1 |
An Fe-based nanocrystal soft magnetic alloy core which is obtained by winding a ribbon comprising an Fe-based nanocrystal soft magnetic alloy containing an amorphous phase and crystal grains, said Fe-based nanocrystal soft magnetic alloy...
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WO/2023/162502A1 |
The problem of the present invention is to provide a solid-phase welding method which easily and efficiently suppresses the softening of a heat-affected zone when steel is used as a material to be welded and a solid-phase welding joint w...
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WO/2023/162615A1 |
A steel wire according to the present invention is formed of a steel that contains 1.0% by mass to 1.1% by mass of C, 0.15% by mass to 0.25% by mass of Si, 0.25% by mass to 0.35% by mass of Mn and 0.15% by mass to 0.25% by mass of Cr, wi...
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WO/2023/162893A1 |
This steel sheet contains, in % by mass, 0.15 to 0.50% of C, 0.01 to 1.00% of Si, 1.00 to 3.00% of Mn, 0 to 0.0200% of P, 0.0001 to 0.0200% of S, 0.001 to 0.100% of Al, 0 to 0.0200% of N and a remainder comprising Fe and impurities, in w...
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WO/2023/162573A1 |
This galvanized steel sheet comprises a base steel sheet having a specified chemical composition, an Fe-Al alloy layer formed on at least a portion of the base steel sheet, and a zinc plating layer formed on the surface of the base steel...
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WO/2023/160613A1 |
The present invention relates to a mooring chain steel and a production method therefor. The mooring chain steel comprises the following components, in percentages by mass: C: 0.18-0.32, Mn: 1.95-2.60, Si: 0.15-0.50, Cr: 0.45-1.20, Mo: 0...
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WO/2023/157959A1 |
The present invention provides a grain-oriented electromagnetic steel sheet having good film adhesion. One or both of S and Se elements among the elements present at the grain boundary between ceramic particles contained in a base film o...
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WO/2023/155372A1 |
The present invention relates to the technical field of steel production. Disclosed is a steel for thin-gauge bridges and a production method therefor. The chemical composition and mass percentage of said steel are as follows: C≤0.20%,...
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WO/2023/157425A1 |
Provided is a stainless steel powder from which it is possible to manufacture a stainless steel member having excellent high temperature yield strength and oxidation resistance. This stainless steel powder has a component composition t...
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WO/2023/155447A1 |
A high wear resistance steel for coal mining and a production method therefor. Chemical components and mass percentages are as follows: C: 0.15-0.30 %, Si: 0.20-0.50 %, Mn: 0.90-1.40 %, P ≤ 0.015 %, S ≤ 0.0020 %, Nb: ≤ 0.030 %, V: ...
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WO/2023/157419A1 |
The present invention provides a deposition model which contains a steel matrix and ceramic particles that are dispersed in the steel matrix, wherein: the steel matrix has a component composition that contains, in mass%, 0.030% to 0.800%...
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WO/2023/157386A1 |
Provided is an iron-based mixed powder for powder metallurgy that has excellent compressibility and with which it is possible to produce, even by a common production process in which the molding pressure is below 600 MPa, a sintered body...
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WO/2023/156208A1 |
The invention relates to a composite material comprising a metal matrix (3) made of an iron-based or copper-based alloy, fillers (4) made of a material having a hardness greater than the hardness of the metal matrix (3), and a surface te...
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WO/2023/157938A1 |
Proposed is a manufacturing method for obtaining a grain-oriented electrical steel sheet that achieves an improvement in magnetic flux density in materials using an inhibitor. With respect to a steel slab having a predetermined compositi...
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WO/2023/155511A1 |
A method for controlling the surface quality of a nickel-based steel plate, comprising the following chemical components and the percentages by mass: C: 0.03%-0.07%; Si: 0.10%-0.30%; Mn: 0.60%-0.90%; P: ≤0.005%; S: ≤0.002%; Nb: ≤0....
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WO/2023/157897A1 |
Provided is a high-strength steel material that exhibits an excellent SSC resistance in sour environments. The steel material according to the present disclosure comprises, in mass%, C : 0.15% to 0.45%, Si : 0.05% to 1.00%, Mn : 0.05% to...
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WO/2023/155264A1 |
Disclosed are a ferritic stainless steel for a bipolar plate of a fuel cell, a surface roughness adjustment and control method, a method for forming a passivation film, and a use. The ferritic stainless steel comprises 0.03 wt% or below ...
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WO/2023/157297A1 |
The present invention provides: a component for vehicles, the component having excellent fatigue strength; a steel pipe which enables the production of the component for vehicles having excellent fatigue strength; a method for producing ...
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WO/2023/157438A1 |
The purpose of the present invention is to provide an Fe-Ni-Cr based alloy product that exhibits a 100,000-hour creep durability temperature that is equivalent to or better than that of austenitic steel cast products and austenitic steel...
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WO/2023/157975A1 |
The present invention provides: a component for vehicles having excellent fatigue strength; a steel pipe which enables the production of a component for vehicles having excellent fatigue strength; a method for producing this steel pipe; ...
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WO/2023/157418A1 |
The present invention provides a lamination molded article having: a component composition including, in mass%, 0.030-0.800 inclusive of C, 0.01-2.50% inclusive of Si, 0.10-8.00% inclusive of Mn, 0.100% or less of P, 0.0200% or less of S...
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WO/2023/157765A1 |
The present invention provides a method for producing a grain-oriented electromagnetic steel sheet, the method preventing the occurrence of a secondary recrystallization defect at the edges of a product sheet in the sheet width direction...
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WO/2023/157965A1 |
This Fe-based alloy has an alloy structure including C, Cr, W, Mo, and V, with the remainder made up by Fe and unavoidable impurities, and including a Fe-BCC phase and a W-Mo-concentrated phase. By mass, the Fe-BCC phase contains 3-7% of...
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WO/2023/153097A1 |
This cold rolled steel sheet has a predetermined chemical composition, and a metal structure at a quarter depth position, which is a position at quarter of the sheet thickness from the surface of the sheet, comprising, in volume ratio: g...
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WO/2023/153099A1 |
The present invention provides a steel sheet for hot pressing, the steel sheet being prevented from the generation of scales due to a coating layer and being reduced in adhesion of a metal to heating facilities, thereby preventing liquid...
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WO/2023/153247A1 |
Provided are a resistance spot-welded joint and a resistance spot welding method. The present invention is a resistance spot-welded joint in which two or more steel sheets, including at least one high-strength steel sheet, are welded tog...
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WO/2023/151228A1 |
Disclosed in the present invention is a method for controlling brittle inclusions of tire cord steel. The method comprises: adding an alloy during primary smelting and tapping in a furnace; adding silicon carbide and synthetic slag to th...
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WO/2023/153789A1 |
A flux cored wire according to one aspect of the present invention actively suppresses the formation of pores and oxides in a coating layer while allowing the formation of at least a certain amount of carbides and borides in the coating ...
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WO/2023/153207A1 |
The present invention provides: a hydrogen storage material which comprises a TiFe-based alloy having good initial activation and a sufficient dischargeable hydrogen amount; a hydrogen storage container which is provided with this hydrog...
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WO/2023/153185A1 |
The purpose of the present invention is to realize an austenitic stainless steel that is highly productive and with which it is possible to obtain both a reduction in processing load during production and an increase in strength of a fin...
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