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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/2024/079296A1 |
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/2024/080657A1 |
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/2024/080474A1 |
According to an embodiment of the present invention, an austenitic stainless steel can be provided comprising, in weight percentage, C: 0.03% or less (excluding 0), N: 0.15 to 0.25%, Si: 1.0% or less (excluding 0), Mn: 3.3 to 7.5%, Cr: 1...
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WO/2024/080140A1 |
Provided is a nonoriented electromagnetic steel sheet that achieves both fine magnetic properties and punch-out workability. Further, proposed is a method for manufacturing the nonoriented electromagnetic steel sheet. This nonoriented el...
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WO/2024/075761A1 |
Provided is a duplex stainless steel material having excellent whole surface corrosion resistance in a high-temperature, high-pressure, strong acidic corrosive environment, and excellent pitting corrosion resistance in a high-temperature...
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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/2024/075788A1 |
The purpose of the present invention is to provide a grain-oriented electromagnetic steel sheet in which iron loss is improved and which suppresses a decrease in productivity in magnetic domain control in which a laser groove is formed.ã...
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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/2024/075789A1 |
An objective of the present invention is to provide a grain-oriented electromagnetic steel sheet that exhibits improved iron loss in magnetic domain control for forming laser grooves in a steel sheet that has been subjected to decarburiz...
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WO/2024/070647A1 |
Provided is an austenitic stainless steel sheet which has a chemical composition comprising, in % by mass, 0.150% or less of C, 2.0% or less of Si, 3.00% or less of Mn, 0.060% or less of P, 0.0080% or less of S, 16.0 to 22.0% of Cr, 3.00...
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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/2024/071354A1 |
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/2024/071353A1 |
The purpose of the present invention is to provide: a steel material which has excellent fatigue characteristics in a high-pressure hydrogen gas environment and is suitable for use in a steel structure, which is used in the high-pressure...
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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/2024/071378A1 |
This non-oriented electromagnetic steel sheet includes a steel sheet and the chemical composition of the steel sheet contains, in mass%, 0.0030% or less of C, 1.0-3.5% of Si, 0.10-2.00% of Al, 0.1-2.0% of Mn, 0.20% or less of P, 0.0030% ...
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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/2024/070807A1 |
This non-oriented electromagnetic steel sheet comprises a base steel sheet and an insulating coating film, in which the base steel sheet has a specified chemical composition, the base steel sheet has a thickness of 0.10 mm to 0.35 mm inc...
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WO/2024/071522A1 |
The present invention provides an ultrahigh-strength steel sheet, which comprises, by weight%, 0.1% to 0.30% of carbon (C), 1.0% to 2.0% of silicon (Si), 1.5% to 3.0% of magnesium (Mg), 0% (exclusive) to 0.05% of aluminum (Al), 0% (exclu...
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WO/2024/066997A1 |
Provided are 290 Mpa-grade low-yield-strength steel used in a low-temperature harsh environment, and a manufacturing method therefor, relating to the technical field of steel manufacturing. The low-yield-strength steel comprises the foll...
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WO/2024/071356A1 |
The purpose of the present invention is to provide a line pipe steel material that is suitable for use in a steel structure used in a high-pressure hydrogen gas environment, such as a line pipe for 100% hydrogen gas or a natural gas (nat...
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WO/2024/071628A1 |
The present invention provides a method for manufacturing a non-oriented electrical steel sheet, the method comprising the steps of: hot rolling a slab containing, by weight%, carbon (C): 0% (exclusive) to 0.005% (inclusive), silicon (Si...
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WO/2024/070074A1 |
Provided is an oriented electromagnetic steel sheet that can effectively inhibit generation of a magnetizing inrush current when used as a material of an iron core for a transformer. In the oriented electromagnetic steel sheet having bee...
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WO/2024/067480A1 |
Disclosed is a low-alloy steel. The low-alloy steel comprises, in addition to Fe and inevitable impurities, the following chemical elements in percentages by mass: C: 0.02%-0.1ï¼…, Si: 0.1%-1.5ï¼…, Mn: 0.10%-1.8ï¼…, Cr: 1.0%-5.5ï¼…, Ni: ...
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WO/2024/072023A1 |
The present invention relates to a cold rolled steel sheet having excellent strength and formability, and a method for manufacturing same.
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WO/2024/071422A1 |
This steel plate has a given chemical composition and has an α value of 1.00-1.50 mass%, a β value of 10.0-15.0, a γ value of 0.70-1.50 mass%, a Ceq value of 0.550-0.620 mass%, a yield strength of 670-870 N/mm2, a tensile strength of ...
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WO/2024/071357A1 |
The purpose of the present invention is to provide: a steel material for line pipes and a production method therefor, the steel material for line pipes being suitable for steel structures used in high pressure hydrogen gas environments, ...
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WO/2024/068957A1 |
The invention relates to a method for producing a steel strip from a high-strength multiphase steel, which steel strip has a tensile strength of at least 700 MPa in the longitudinal direction, in which method a rolled wide strip made of ...
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WO/2024/066987A1 |
The economical hydrogen gas conveying pipeline steel, which comprises the following components in wt%: C: 0.03-0.08%, Si: ≤ 0.15%, Mn: 0.53-1.19%, P: ≤ 0.012%, S: ≤ 0.0015%, Ti: 0.010-0.080%, Al: 0.025-0.048%, N: ≤ 0.0045%, and O...
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WO/2024/071358A1 |
The purpose of the present invention is to provide a high-strength line pipe steel material that has excellent fracture toughness in hydrogen in a high-pressure hydrogen gas environment, and that is suitable for use for a steel structure...
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WO/2024/063163A1 |
This grain-oriented electrical steel sheet comprises a base steel sheet, a forsterite coating film formed on the surface of the base steel sheet, and an insulation film formed on the surface of the forsterite coating film, wherein: the c...
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WO/2024/062933A1 |
Provided is a method for producing hot work tool steel that has a fine annealed structure even if a cross-sectional size is large.　This method for producing hot work tool steel having a cross-sectional area of at least 200,000 mm2 incl...
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WO/2024/061729A1 |
The present invention relates to a method for the production of a hot-rolled flat steel product for use in pipe production.
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WO/2024/063108A1 |
The present invention provides a martensitic stainless steel material which has high strength, excellent SSC resistance, and excellent toughness at low temperatures. A martensitic stainless steel material according to the present disclos...
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WO/2024/062686A1 |
Provided is a low-yield-ratio hot-rolled steel sheet having excellent strength and low-temperature toughness. The steel sheet has a predetermined component composition. The steel structure of the sheet thickness center part has a main ph...
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WO/2024/061368A1 |
The present invention discloses coated ultrahigh-strength steel with low spot welding crack sensitivity, comprising a steel substrate and a zinc-containing coating on the surface of the steel substrate. The steel substrate contains Fe an...
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WO/2024/062036A1 |
The present disclosure relates to structural components for a vehicle framework at least partially configured for supporting bending loads. The structural component comprises a main member (110) defining a substantially U-shaped cross-se...
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WO/2024/062035A1 |
The present disclosure relates to structural components for a vehicle framework at least partially configured for supporting compressive loads. A structural component comprises a main member extending from a load receiving end to an oppo...
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WO/2024/063085A1 |
The present invention pertains to a composition that may undergo α-γ transformation. The composition contains 0.0010-0.0050% of Ti. When a surface of a steel sheet is measured using a scanning electron microscope with electron backscat...
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WO/2024/063574A1 |
The present invention provides a method for manufacturing a non-oriented electrical steel sheet, comprising the steps of: preparing a slab comprising, by wt%, carbon (C) in an amount greater than 0% and less than or equal to 0.002%, 2.3-...
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WO/2024/057275A1 |
A method for hot rolling a steel comprising the steps of i. elaborating, by smelting steel scrap comprising at least one of the following residual elements : Mo, Sn, Sb, As, a steel grade having a theoretical hot rolling temperature THR_...
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WO/2024/056380A1 |
The present application relates to a method for producing a low-carbon flat steel product, more particularly a interstitial-free cold strip, wherein firstly i) a molten steel composition, the maximum carbon content of which is 300 ppm, t...
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WO/2024/057705A1 |
Provided are: a stainless steel having excellent cold workability and a manufacturing method therefor; and a stainless steel product for which surface hardness is sufficiently high and for which corrosion resistance against acids, partic...
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WO/2024/057274A1 |
A method for hot rolling a steel comprising the steps of i. elaborating a steel composition comprising in weight percent: 0.002 ≤ C ≤ 0.8, 0.1≤ Mn ≤ 3, Si ≤ 2, Al ≤ 2, Cr ≤ 0.5, Nb≤ 0.08, Ti ≤ 0.1 and a balance consisti...
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WO/2024/058413A1 |
The disclosed invention relates to an exterior material for a home appliance and a refrigerator comprising same. An exterior material for a home appliance according to an embodiment may include a stainless steel cold rolled steel sheet. ...
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WO/2024/057064A1 |
A method for hot rolling a steel comprising the steps of i. elaborating a steel composition comprising in weight percent: 0.002 ≤ C ≤ 0.8, 0.1≤ Mn ≤ 3, Si ≤ 2, Al ≤ 2, Cr ≤ 0.5, Nb≤ 0.08, Ti ≤ 0.1 and a balance consisti...
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WO/2024/058312A1 |
The present invention provides a cold-rolled steel sheet comprising 0.23-0.35 wt% of carbon (C), 0.05-0.5 wt% of silicon (Si), 0.3-2.3 wt% of manganese (Mn), 0-0.02 wt% (exclusive of 0) of phosphorus (P), 0-0.005 wt% (exclusive of 0) of ...
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WO/2024/057065A1 |
A method for hot rolling a steel comprising the steps of i. elaborating, by smelting steel scrap comprising at least one of the following residual elements : Mo, Sn, Sb, As, a steel grade having a theoretical hot rolling temperature THR_...
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WO/2024/057940A1 |
When a steel slab containing, in mass%, 0.0050% or less of C, 2.0-5.0% of Si, 0.2-1.8% of Mn, 0.5-2.5% of Al, 0.001-0.100% of Mo, and 0.02-0.10% in total of Sn and Sb, the contents of Si, Al and Mn satisfying a predetermined relationship...
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