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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/2024/095532A1 |
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/2024/096114A1 |
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/2024/096109A1 |
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/2024/096082A1 |
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/2024/095961A1 |
This ring-shaped member is inductively heated by supplying an electrical current to an induction coil. An inductive heating step includes inductively heating the ring-shaped member using an induction coil (17) disposed radially inward of...
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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/2024/091920A1 |
A process and assembly for heat treating portions of a steel article, such as an advanced high strength (AHSS) steel or Gen3 steel, in order to create each of hard and transition zones in a nominally hard steel stamping, such as in a veh...
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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/2024/089989A1 |
This molding device for molding an aluminum alloy metal material controls the cooling rate of the aluminum alloy during a solution treatment and imparts a variation in strength of the aluminum alloy after an aging treatment.
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WO/2024/089610A1 |
A system for coating a metal strip with a layer of molten metal, comprising - a pot (2) containing the molten metal bath; - an annealing furnace (3), arranged upstream of said pot (2), for annealing a strip advancing towards said pot (2)...
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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/2024/086500A1 |
A process and assembly for heat treating portions of a steel article, such as an advanced high strength (AHSS) steel. In an initial operation, the invention provides for positioning of heating elements at locations along such as a blank ...
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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/2024/078291A1 |
Disclosed in the present application are a method and device for repairing damage on a mounting surface of an axle box body. The method comprises the following steps: acquiring a size measurement result of a corrosion pit at a damaged po...
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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/2024/078162A1 |
Provided in the present invention are an invar wire heat treatment apparatus and method. The invar wire heat treatment apparatus provided in the present invention comprises a continuous heating furnace, wherein the heating furnace is pro...
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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/2024/080326A1 |
This method for manufacturing a high-strength component having exceptional resistance to hydrogen embrittlement comprises: a step for forming an additively manufactured body in which the volume density of the molded object is 99.9% or hi...
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WO/2024/075314A1 |
The objective of the present invention is to provide a coil spring manufacturing method with which it is possible to suppress variations in quality. A coil spring manufacturing method according to the present invention involves processin...
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WO/2024/075433A1 |
Provided is a seamless steel pipe in which the difference between the strength at full wall thickness and the strength in a post-cutting state is low. This seamless steel pipe has a prescribed chemical composition. Fn1 represented by for...
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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/2024/075486A1 |
This mechanical component is made of steel that is subjected to quenching and tempering, the mechanical component comprising a carbonitrided layer on the surface thereof. The steel contains 0.13-0.58 mass% inclusive of C, 0.15-0.35 mass%...
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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/2024/070052A1 |
The present disclosure provides a high-strength steel plate having an improved post-molding appearance. The steel plate of the present disclosure has a specific chemical composition and is characterized by comprising a metal structure ...
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WO/2024/070890A1 |
Provided are: a steel sheet having high strength, excellent in terms of ductility and hole expansibility, and having highly stable mechanical properties along the longitudinal direction of the coil; and a method for producing the steel s...
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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/2024/070278A1 |
Provided are: continuous annealing equipment capable of swiftly responding to a fluctuation in material characteristics and minimizing a fluctuation in mechanical characteristics of a product; a continuous annealing method; a cold-rolled...
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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/2024/071352A1 |
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/2024/068320A1 |
The invention relates to a device for curing sheet metal components. The device comprises a base plate (01) and a head plate (02), which are connected to one another, via guide elements, such that the distance between them can be changed...
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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/2024/070889A1 |
Provided are: a steel sheet having high strength, excellent in terms of ductility and hole expansibility, and having highly stable mechanical properties along the sheet width direction; a member; and methods for producing the steel sheet...
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WO/2024/070493A1 |
This ferritic stainless steel material for battery components has a composition which contains, on a mass basis, 0.001% to 0.050% of C, 0.01% to 2.00% of Si, 0.01% to 2.00% of Mn, 0.010% to 0.050% of P, 0.0001% to 0.0100% of S, 10.0% to ...
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WO/2024/065923A1 |
A preparation method for a guide wheel. The preparation method comprises the following steps: subjecting a blank (102) with a punched hole (101) to ring rolling machining, so as to obtain a rim (1) blank, wherein the temperature of the r...
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WO/2024/070839A1 |
Provided are a high aging-efficiency maraging steel and a method for producing the same. The maraging steel comprises: a component composition that includes, in mass%, C at 0.02% or less, Si at 0.1% or less, Mn at 0.1% or less, P at 0....
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WO/2024/070279A1 |
Provided are: a continuous annealing facility in which a steel sheet phase fraction under a high-temperature condition is predicted with high accuracy and the fluctuations in the predicted phase fraction is rapidly reflected in an anneal...
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WO/2024/068461A1 |
The invention relates to a process for operating a thermal treatment line for the flexible thermal treatment of metal pre-products, to a thermal treatment line configured and suitable for carrying out the process, and to a casting-rollin...
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WO/2024/070784A1 |
The purpose of the present invention is to provide a stainless steel powder that can be used to produce a stainless steel member having high strength, excellent low-temperature toughness, and excellent corrosion resistance in a high-temp...
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WO/2024/062766A1 |
Provided, for metal-strip continuous-annealing lines that include a cooling zone where metal-strip cooling is carried out and a temper mill in which post-cooling metal-strip form rectification is carried out, is a method of predicting me...
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