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WO/2023/234503A1 |
An ultra-high strength cold-rolled steel sheet of the present invention comprises, in weight%, 0.23% to 0.40% of carbon (C), 0.05% to 1.0% of silicon (Si), 0.5% to 3.0% of manganese (Mn), 0.01% to 0.12% of vanadium (V), 0.01% to 0.3% of ...
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WO/2023/234501A1 |
According to one aspect of the present invention, provided is a hot stamping part comprising a steel sheet that includes: 0.26-0.40 wt% of carbon (C); 0.02-2.0 wt% of silicon (Si); 0.3-1.60 wt% of manganese (Mn); at most 0.03 wt% of phos...
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WO/2023/234702A1 |
The present invention relates to a non-quenched and non-tempered steel wire rod having improved machinability and toughness and to a method for manufacturing same, the non-quenched and non-tempered wire rod, according to the present inve...
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WO/2023/233090A1 |
The invention relates to a method for manufacturing a metal sheet having a final thickness of between 6 and 50 mm, the method comprising the steps of: casting a rolling slab made of aluminium alloy having the following composition in % b...
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WO/2023/228523A1 |
Provided is a pipeline steel that is a low-alloy steel; that exhibits a satisfactory corrosion resistance with respect to low-purity liquids that have performed the separation and recovery of thermal power plant exhaust gas and/or with r...
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WO/2023/229241A1 |
The present invention relates to a device for improving low-temperature toughness of a steel pipe expansion part, the device including: a roller part provided under a steel pipe base material to rotate the steel pipe base material; a fir...
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WO/2023/228783A1 |
Provided is a martensitic stainless steel material having high strength and excellent corrosion resistance in corrosive environments containing SOx or NOx. This martensitic stainless steel material satisfies the chemical composition desc...
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WO/2023/228784A1 |
Provided is a martensitic stainless steel material which has high strength and excellent corrosion resistance in a corrosive environment in which SOx and NOx are included. A martensitic stainless steel material according to the present d...
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WO/2023/229968A1 |
New aluminum alloys are disclosed. The new aluminum alloys may include from 1.05 to 1.55 wt. % Si, from 0.85 to 2.10 wt. % Mg, from 0.15 to 0.75 wt. % Cu, from 0.20 to 0.90 wt. % Fe, from 0.5 to 1.5 wt. % Mn, from 0.01 to 0.15 wt. % Ti, ...
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WO/2023/229432A1 |
The present invention relates to a non-quenched and tempered steel rod wire with improved machinability and toughness, and a method for manufacturing same. The non-quenched and tempered steel rod wire according to the present invention c...
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WO/2023/229112A1 |
The present invention relates to: a carbon-coated steel material having oxidation resistance, sour resistance, and hydrogen induced cracking resistance, which can be formed by using a process for the heat treatment of a steel material; a...
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WO/2023/224218A1 |
The present invention relates to: a copper-nickel-silicon-manganese-tin (Cu-Ni-Si-Mn-Sn)-based copper alloy material having excellent strength, electrical conductivity, and bending workability; and a method for manufacturing same.
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WO/2023/223744A1 |
The purpose of the present invention is to provide a sulfuric acid-resistant hot-rolled thick steel sheet that has a sheet thickness of 6.0-14.0 mm and a tensile strength of not less than 490 MPa, and a production method therefor.　Prov...
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WO/2023/223694A1 |
The present invention provides a steel sheet which has both high strength and excellent toughness at low temperatures, while having excellent productivity. The present invention provides a steel sheet which has a specific component compo...
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WO/2023/225011A1 |
New 7xxx aluminum alloys are disclosed. The new 7xxx aluminum alloys may comprise from 5-10 wt. % Zn, 1-3 wt. % Mg, 1-3 wt. % Cu, a thickness of at least 2 inches, from 10% to 40% recrystallized grains, and an average grain size of at le...
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WO/2023/224200A1 |
The present invention provides a manufacturing method for an ultra-high strength galvanized steel sheet with excellent weldability, the method comprising a step of annealing a cold-rolled steel sheet in an annealing furnace, wherein the ...
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WO/2023/223078A1 |
A martensitic steel sheet comprising of the following elements 0.08 % ≦ C ≦ 0.14 %; 1.95 % ≦ Mn ≦ 2.6 %; 0.1% ≦ Si ≦ 0.8 %;.01% ≦ Al ≦ 0.1 %; 0.001% ≦ Ti ≦ 0.1%; 0.0001% ≦ B ≦ 0.05%; 0% ≦ S ≦ 0.09%; 0% ≦ P â...
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WO/2023/219146A1 |
The present invention provides a thick steel sheet having a high strength and excellent multi-layer welded joint CTOD characteristics even when the sheet thickness is over 100 mm. The steel sheet has a prescribed component composition. A...
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WO/2023/218229A1 |
A hot rolled steel sheet having a composition comprising of the following elements 0.060%≤Carbon≤0.1%, 1.4%≤Manganese≤1.8%, 0.3%≤Silicon≤0.8%, 0.01%≤ Aluminum≤0.1%, 0.01%≤Niobium≤0.09%, 0.01%≤Titanium≤0.09%, 0.002...
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WO/2023/212972A1 |
A low-yield-ratio, easy-to-weld and weather-proof bridge steel and a manufacturing method therefor. The present invention comprises the following components in percentages by mass: C: 0.051-0.080%, Si: 0.20-0.50%, Mn: 1.20-1.50%, P≤0.0...
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WO/2023/214731A1 |
Provided are a hot press-formed part and a manufacturing method thereof, the hot press-formed part comprising: a base steel sheet; and a plating layer provided on at least one surface of the base steel sheet, wherein the plating layer in...
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WO/2023/214634A1 |
Provided in the present invention is a cold-rolled steel sheet comprising: carbon (C): 0.15-0.20% by weight, silicon (Si): 1.0-2.0% by weight, manganese (Mn): 1.5-3.0% by weight, phosphorus (P): greater than 0 and 0.02% by weight or less...
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WO/2023/214472A1 |
Provided is a hot-rolled steel sheet to be used as base material for an electric resistance welded steel pipe having high strength as well as excellent processability and toughness, which is suitable for steel pipes for mechanical struct...
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WO/2023/215308A1 |
Described herein are novel aluminum alloys including recycled aluminum alloy materials which exhibit high strength and high formability. The aluminum alloys described herein, which are suitable for use as can end stock, for example, exhi...
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WO/2023/212970A1 |
A steel plate for an advanced nuclear power unit reactor core shell cylinder and a manufacturing method for the steel plate. The steel plate comprises the following components in percentage by mass: C: 0.10%-0.14%, Si: 0.20%-0.30%, Mn: 0...
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WO/2023/210959A1 |
An austenitic stainless steel according to an embodiment of the present invention comprises, by wt%, 0.04-0.07% of C, 0.3-0.6% of Si, 0.5-1.5% of Mn, 0.1-0.4% of Cu, 0.05-0.2% of Mo, 8.0-9.0% of Ni, 18.0-19.0% of Cr, 0.02-0.05% of N, and...
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WO/2023/207768A1 |
Disclosed in the present invention is a preparation method for a high-strength and high-toughness thin 7-series aluminum alloy strip, the method comprising: performing mechanical stitching, threading, pre-cleaning, a solid solution treat...
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WO/2023/207928A1 |
Disclosed in the present disclosure are an aluminum alloy core material for a heat exchanger, and a heat exchange tube and the heat exchanger adopting same. The aluminum alloy core material comprises an aluminum alloy material, and the a...
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WO/2023/208254A1 |
Disclosed in the present invention is an ultrahigh-strength cold-rolled steel strip having a tensile strength of 1450 MPa or above, comprising Fe and inevitable impurity elements, and further comprising the following chemical elements in...
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WO/2023/212717A1 |
The present invention provides steel alloys with hydrogen degradation resistance comprising controlled amounts of Mn and C, as well as Al, Cr, Cu, Ni and Si. The steel alloys have an austenite microstructure and relatively high stacking ...
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WO/2023/210715A1 |
This laser processing device comprises: a laser light source unit that irradiates, with a laser beam, the surface of a steel plate being transported in a preset transport direction; a gas injection unit that injects first gas parallel to...
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WO/2023/210911A1 |
The present invention provides a hot stamping component manufacturing method comprising the steps of: forming a blank by cutting a plated steel sheet having a plating layer formed on at least one surface of a base metal; and heating the ...
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WO/2023/210046A1 |
Provided is an electric resistance welded steel pipe having high strength as well as excellent processability and toughness, which is suitable for steel pipes for mechanical structures used in parts of automotive vehicles, construction m...
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WO/2023/208274A1 |
Method for producing a support film for catalytic converters with application temperatures < 900°C, consisting of an iron-chromium-aluminium alloy containing 8-14% by weight Cr, 1-4% by weight Al and iron as the remainder, along with me...
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WO/2023/210912A1 |
The present invention provides a method for manufacturing a hot-stamped part, comprising: a step of forming a blank by cutting a plated steel sheet in which a plating layer is formed on at least one surface of a base material; and a step...
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WO/2023/204299A1 |
Provided is a grain-oriented electromagnetic steel sheet that enables reduction of iron loss and improvement of adhesiveness of a secondary coating film. In the grain-oriented electromagnetic steel sheet according to the present embodime...
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WO/2023/204294A1 |
Provided is a steel material that has high strength and excellent SSC resistance. The steel material according to the present disclosure contains, by mass%, 0.20%–0.35% C, 0.60%–1.30% Si, 0.05%–0.25% Mn, no more than 0.050% P, no m...
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WO/2023/204109A1 |
The present invention provides a steel sheet that has a prescribed component composition and has a microstructure in which: at a depth of 1/4 the steel sheet thickness, the ferrite percentage is 5 to 95%, the martensite island percentage...
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WO/2023/204266A1 |
This grain-oriented electromagnetic steel sheet comprises a base steel sheet and an insulating coating film disposed directly on the base steel sheet. When this grain-oriented electromagnetic steel sheet is cut along a direction parallel...
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WO/2023/204244A1 |
This steel plate processing device comprises: a laser emission unit that forms a groove in the surface of a steel plate; an illumination unit that emits a pulsed beam onto the groove; an image capture unit that generates a captured image...
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WO/2023/204269A1 |
This grain-oriented electromagnetic steel sheet is provided with a base steel sheet and an insulating coating film arranged on the base steel sheet in contact with the base steel sheet. When a cross-sectional surface of the grain-oriente...
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WO/2023/204267A1 |
This grain-oriented electromagnetic steel sheet comprises a base steel sheet and an insulating coating film disposed directly on the base steel sheet. When this grain-oriented electromagnetic steel sheet is cut along a direction parallel...
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WO/2023/203702A1 |
Provided is a technique for achieving both of excellent toughness at a lower temperature and a low yield ratio in a high-strength steel having TS of equal to or larger than 690 MPa (TS ≥690MPa). Provided is a steel sheet having a compo...
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WO/2023/203815A1 |
The present invention provides a steel sheet which has a high strength, with TS ≥ 690 MPa, which achieves an excellent low-temperature toughness and low yield ratio, and which exhibits little acoustical anisotropy. The steel sheet has ...
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WO/2023/199034A1 |
A method of producing a coated electrical steel is described. The method comprises: providing an electrical steel substrate; providing a coating composition, said coating composition comprising silica particles, metal phosphate, and a gr...
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WO/2023/197571A1 |
Disclosed in the present invention is a 360HB-450HB grade abrasion resistant steel, comprising the following chemical components in percentage by mass: C: 0.10%-0.30%, Si: 0.20%-0.50%, Mn: 0.80%-1.60%, P≤0.020%, S≤0.005%, Ti: 0.008%-...
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WO/2023/197572A1 |
Disclosed in the present invention is 500 HB grade or above abrasion-resistant steel, the chemical components and the mass percentages thereof are as follows: 0.15%-0.45% of C, 0.15%-0.50% of Si, 0.50%-1.80% of Mn, P ≤ 0.015%, S ≤ 0....
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WO/2023/199902A1 |
Provided is an alloy material that has sufficient creep strength in a high temperature environment and is capable of attaining both excellent resistance to stress relaxation cracking and excellent resistance to welding hot cracking. The ...
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WO/2023/198721A1 |
The present disclosure relates to a welding duplex stainless steel material comprising the following alloying elements in wt% C max 0.030 Si max 0.50 Mn 0.50 to 2.50 P max 0.030 S max 0.030 Cr 29.0 to 32.0 Ni 7.0 to 11.0 Mo 0.50 to 1.50 ...
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WO/2023/198720A1 |
The present invention relates to a duplex stainless steel comprising the following elements in weight%: C max 0.030; Si max 0.30; Mn 0.20 to 2.50; P max 0.030; S max 0.030; Cr 28.5 to 30.5; Ni 6.0 to 8.0; Mo 0.70 to 3.00; W 2.00 to 4.40;...
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