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WO/2022/176553A1 |
The present invention provides a steel foil for battery containers, the steel foil being characterized in that: the maximum value of the maximum principal strain of a uniaxial deformation is 0.25 or more; and the maximum value of the max...
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WO/2022/176707A1 |
A martensitic stainless steel plate for a brake disk rotor, the plate being characterized by including prescribed components and having a precipitate with a particle diameter of 2 µm or less present in the parent phase at a density of 0...
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WO/2022/176397A1 |
A sliding member which has a configuration wherein a surface layer is formed in the outer surface region of a base material. The surface layer comprises a nitrided layer that contains iron nitride having a nitrogen concentration of 5.9% ...
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WO/2022/176984A1 |
This steel sheet for gas soft nitriding has a specific chemical composition and metal structure. When the sheet thickness is deemed to be t, the sheet width that is the width in the direction orthogonal to the rolling direction is deemed...
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WO/2022/176366A1 |
The method for predicting the shape of a steel sheet according to the present invention is a method for predicting the shape of a steel sheet in steel sheet cooling equipment provided with a water-cooling device for spraying cooling wate...
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WO/2022/176878A1 |
A nitriding method for a steel member that has at least two nitriding steps. The nitriding method for a steel member has: a first nitriding step in which a steel member is nitrided in a nitriding gas atmosphere that has a first nitriding...
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WO/2022/172539A1 |
The purpose of the present invention is to provide: a high-strength steel sheet that has a TS of 980 MPa or more and excellent ductility, hole expandability, and bendability, and that does not decrease in ductility after plating treatmen...
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WO/2022/173082A1 |
The present invention relates to: a heat treatment method for improving the strength and ductility of a superalloy manufactured by additive manufacturing (AM); and a nickel-based superalloy heat-treated by the heat treatment method, the ...
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WO/2022/172763A1 |
This hot-stamped molded body has a prescribed chemical composition satisfying formula (1) and formula (2) and has a metal structure that includes at least 90% martensite by area, and a soft region occupies 5-25% by area of the martensite...
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WO/2022/173159A1 |
The present invention relates to a method for manufacturing a non-oriented electrical steel sheet, and a non-oriented electrical steel sheet manufactured thereby, and the method for manufacturing a non-oriented electrical steel sheet, ac...
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WO/2022/173081A1 |
The present invention relates to a homogenization heat-treatment method for a super heat-resistant alloy ingot, the method comprising a step of subjecting a nickel-based super heat-resistant alloy ingot composed of Inconel 718 to homogen...
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WO/2022/172540A1 |
The purpose of the present invention is to provide: a high-strength steel sheet which has TS of 980 MPa or more and has excellent ductility, hole-expanding properties, bendability and hydrogen bending brittleness-resistant properties; an...
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WO/2022/167138A1 |
The invention relates to a method for laser-beam-hardening regions (A) of a clothing wire (10) that are to be hardened. The clothing wire (10) is moved, during this process, in a conveying direction through a work space (26). An inert ga...
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WO/2022/167424A1 |
The invention relates to a continuous annealer (1) for wire, for annealing and recrystalising a wire (12) in a continuous process. The continuous annealer (1) for wire comprises: two contact discs (2, 3) for contacting a first wire porti...
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WO/2022/168167A1 |
The present invention provides a thin steel sheet which has a chemical composition that satisfies 0.0001 ≤ (Sn) + 0.3(Cu) + 0.1(Cr) ≤ 0.2000 (wherein (Sn), (Cu) and (Cr) respectively represent the contents (mass%) of Sn, Cu and Cr), ...
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WO/2022/166155A1 |
Container crane wheel steel, a wheel and a preparation method therefor. By means of designing chemical components of the container crane wheel steel and adding a post-forging preparatory heat treatment between forging forming and rough m...
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WO/2022/168887A1 |
The present invention provides a grain-oriented electromagnetic steel sheet production method whereby greater purity of an inhibitor-enhancing element can be promoted by improvement of an annealing separator and, as a result, iron loss c...
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WO/2022/163160A1 |
The present invention provides a stainless steel sheet that has a high degree of whiteness and high image clarity. This stainless steel sheet has surface properties, as defined in JIS B 0681-2:2018, which are: a core height Sk of 1.50 μ...
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WO/2022/160792A1 |
The present invention relates to a cold rolling annealing furnace waste hydrogen recycling system, comprising a waste hydrogen treatment pipeline connected to an annealing furnace. A pretreatment tower, a waste hydrogen compressor, a pre...
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WO/2022/160536A1 |
The present invention relates to steel for inner raceway of a constant velocity universal joint and a production method therefor. The steel comprises the following chemical components in percentage by weight (wt%): 0.15-0.25% of C, 0.01-...
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WO/2022/163614A1 |
The purpose of the present invention is to provide hot forming in which there is no risk of cracking and in which usage is possible with a satisfactory flexural performance. The present invention has: an unwinding and blanking device pro...
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WO/2022/163044A1 |
Provided are: a metal sheet quench-hardening apparatus and a metal sheet quench-hardening method, whereby it becomes possible to prevent the deterioration in shape of a metal sheet which may occur during quench-hardening; and a steel she...
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WO/2022/158469A1 |
This steel material includes a steel sheet base material and a protective film formed at least partially on the surface of the steel sheet base material. The steel sheet base material has a chemical composition containing, in mass%, 0.25...
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WO/2022/158062A1 |
The purpose of the present invention is to provide: a hot pressing member and a coating member having excellent post-coating image clarity and excellent post-coating corrosion resistance; and a method for manufacturing same. Furthermore,...
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WO/2022/156282A1 |
The present invention relates to a protective gas supply system of an annealing furnace for cold rolling. The protective gas supply system may comprise a liquid argon gasifying device and a waste argon recycling device, argon generated b...
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WO/2022/157212A1 |
The invention relates to a method for producing a component from a blank made of a medium manganese steel having 4 to 12 wt.% Mn and a TRIP effect at room temperature, in which method the blank is mechanically cut to make a prepared blan...
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WO/2022/154807A1 |
A heat treatment process for through hardening results in improved rolling contact fatigue (RCF) resistance. The method includes austenitizing a steel component, quenching the steel component to a first quench temperature below the marte...
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WO/2022/154081A1 |
This hot stamp member comprises a steel material and a plated layer formed on the steel material, wherein: the plated layer has a predetermined chemical composition; the plated layer contains a Zn-based oxide which is composed of one or ...
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WO/2022/153661A1 |
This hot-rolled steel sheet has a desired chemical composition, wherein: a metal structure comprises, by area%, 10-30% ferrite, 40-85% bainite, 5-30% retained austenite, not more than 5% fresh martensite, and not more than 5% pearlite; t...
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WO/2022/153927A1 |
With respect to this hot-rolled steel sheet, the metal structure contains, in an area ratio, a total of 90% or more of at least one of martensite and tempered martensite, and a total of 10% or less of at least one of ferrite, bainite and...
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WO/2022/152106A1 |
Steel for marine engineering, comprising the following chemical elements by mass percentage: C: 0.01-0.05%, Si: 0.05-0.60%, Mn: 0.50-1.30%, Cr: 0.6-1.20%, Ni: 2.0-3.0%, Al: 0.01-0.06%, Ti: 0.005-0.012%, and Mg: 0.0005-0.0015%; 0
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WO/2022/152431A1 |
The invention relates to a method for processing a screw body, comprising a screw body providing step in which a screw body made of a hardenable steel is provided, a primary coating step, in which the screw body is coated with a primary ...
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WO/2022/154082A1 |
This plated steel material comprises a steel material and a plating layer that is formed on the steel material; the plating layer has a chemical composition which contains, in mass%, from 1.0% to 30.0% of Zn, from 0% to 10.0% of Mg, from...
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WO/2022/153790A1 |
This martensite-based stainless steel material has a compositional makeup which includes, in mass basis, 0.30-0.60% of C, 0.05-1.00% of Si, 0.05-1.50% of Mn, 0.040% or less of P, 0.030% or less of S, 13.0-18.0% of Cr, 0.01-0.30% of Ni, 0...
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WO/2022/153770A1 |
This shaft member (30) is made of steel and provided with an outer peripheral surface (30a) to be brought into contact with a rolling body (32). A region of the shaft member located at a first distance (L1) or less from the outer periphe...
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WO/2022/148003A1 |
The present invention relates to the technical field of steel production. Disclosed are a 13MnNi6 steel for a cryogenic liquid hydrocarbon storage tank and a manufacturing method therefor. The 13MnNi6 steel for a cryogenic liquid hydroca...
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WO/2022/149511A1 |
The technique of the present disclosure is for suppressing liquid metal embrittlement (LME) cracking and improving corrosion resistance of a welded joint that is produced by spot-welding a first steel plate and a second steel plate toget...
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WO/2022/149502A1 |
A steel sheet having a prescribed chemical composition and having a metal structure which comprises ferrite, bainite and pearlite in a combined total of 0-50 vol%, inclusive, and retained austenite in the amount of 3-20 vol%, inclusive, ...
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WO/2022/148510A1 |
The invention relates to a method for producing a rolling bearing component (1), wherein the rolling bearing component (1) is formed from a rolling bearing steel and has a wall thickness or a diameter of at least 85 mm at at least one po...
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WO/2022/148468A1 |
A manufacturing method for a low-magnetostrictive oriented silicon steel. The oriented silicon steel comprises a silicon steel substrate and an insulating coating on the surface of the silicon steel substrate. The manufacturing method co...
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WO/2022/149505A1 |
The present disclosure suppresses cracking caused by liquid-metal embrittlement (LME) in a welded joint obtained by spot-welding a first steel sheet and a second steel sheet to one another. A welded joint according to the present disclos...
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WO/2022/149507A1 |
The technology of the present disclosure suppresses cracking from liquid metal embrittlement (LME) at a welding joint where a first steel sheet and a second steel sheet have been spot welded, and improves corrosion resistance. In the wel...
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WO/2022/149178A1 |
Apparatus (10) for heating steel products (200), in particular billets, comprising a heating chamber (13), a plane of advance (P) defined inside said heating chamber (13) and feed and extraction means (18, 20) for said steel products.
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WO/2022/145857A1 |
The present invention provides a dent-resistant cold-rolled steel sheet having excellent dent-resistance properties. According to one embodiment of the present invention, the dent-resistant cold-rolled steel sheet comprises, by weight, c...
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WO/2022/146153A1 |
The subject of the invention is a modular device for blowing gas onto the surface of the heat-treated charges, which is part of the blowing system in batch-type chamber furnaces, in which the gas movement during convection heating and co...
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WO/2022/141350A1 |
Disclosed in the present invention is a laser peening and composite rolling strengthening device for a connecting rod shaft washer, comprising a laser emitter, a composite rolling shaft, a hydraulic system, a numerical control platform a...
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WO/2022/138895A1 |
The present invention provides: a steel sheet which has high strength and excellent delayed fracture resistance characteristics; and a method for producing this steel sheet. This steel sheet has a specific component composition, while ...
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WO/2022/138396A1 |
Provided is a steel sheet that has excellent workability while maintaining excellent strength. The steel sheet has a specific component composition and contains 45 to 90% of ferrite, 5 to 30% of martensite, 1 to 25% of bainite, and 3% or...
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WO/2022/136689A1 |
A zinc or zinc-alloy coated rolled steel strip or sheet comprising of (in wt. %) 0.08 - 0.28 C, 1.4 - 4.5 Mn, 0.01 - 0.5 Cr, 0.01 - 2.5 Si, 0.01 – 2.0 Al. The steel having a tensile strength of 950 – 1550 MPa, a yield strength of 350...
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WO/2022/139400A1 |
The present invention provides an ultra high strength cold rolled steel sheet having excellent spot weldability and formability. The ultra high strength cold rolled steel sheet, according to one embodiment of the present invention, compr...
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