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WO/2022/107757A1 |
A stainless steel bar material which has a chemical composition that contains, in mass%, from 0.001% to 0.030% of C, from 0.01% to 4.00% of Si, from 0.01% to 2.00% of Mn, from 0.01% to 4.00% of Ni, from 8.0% to 35.0% of Cr, from 0.01% to...
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WO/2022/108220A1 |
A hot-rolled steel sheet according to one aspect of the present invention comprises, by wt%, 0.1-0.25% of carbon (C), 0.2-2.0% of manganese (Mn), 0.3% or less of silicon (Si), 0.05% or less of aluminum (Al), 0.05% or less of phosphorus (...
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WO/2022/102441A1 |
Provided is a steel material having excellent SSC resistance in room-temperature sour environments and low-temperature sour environments. The steel material according to the present disclosure: contains, by mass, 0.20 to 0.45% of C, 1.36...
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WO/2022/101278A1 |
Austenitic Stainless Steel alloy compositions are provided with reduced Ni content. These alloys, combined with a process that includes a martensite thermomechanical treatment with a thickness reduction preferably higher than 65%, provid...
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WO/2022/103024A1 |
Provided are a high-strength hot-dip galvanized steel sheet with excellent formability and a process for producing same. The high-strength hot-dip galvanized steel sheet comprises, in mass%: 0.005-0.009% of C; 0.05% or less of Si; 0.3-0....
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WO/2022/103044A1 |
The present invention relates to a high strength steel sheet and a manufacturing method therefor, and, more specifically, to a steel sheet and a manufacturing method therefor, the steel sheet having excellent thermal stability to have hi...
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WO/2022/103058A1 |
Provided are a bake-hardened hot-dip galvanized steel sheet with excellent powdering resistance, and a manufacturing method therefor. The bake-hardened hot-dip galvanized steel sheet of the present invention comprises, by wt%, 0.0001-0.0...
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WO/2022/100056A1 |
The present invention relates to the technical field of steel production. Disclosed is a crack arrest steel plate for a BCA2-grade container ship. The crack arrest steel plate comprises the following chemical components by mass percentag...
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WO/2022/103243A1 |
The present invention provides austenitic stainless steel manufactured using an austenitic stainless steel base material, comprising, by weight%, 13 to 20% of Cr, 16 to 20% of Ni, more than 0 to 2% of Mo, more than 0 to 2% of Mn, more th...
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WO/2022/097589A1 |
Provided is a steel sheet that can exhibit excellent toughness of a joint after high heat input welding, while exhibiting superior characteristics to stop brittle crack propagation. A steel sheet according to the present invention contai...
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WO/2022/095761A1 |
Disclosed in the present invention are a super-thick-gauge hot rolled H-beam and a production method therefor, the chemical components thereof comprising in mass percentage: C: 0.04-0.11, Si: 0.10-0.40, Mn: 0.40-1.00, Cr: 0.40-1.00, Cu: ...
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WO/2022/096656A1 |
Austenitic stainless steel with improved heat resistant and corrosion resistance, where the steel contains in weight % Carbon 0.03 - 0.20 Chromium 20.00 – 26.00 Nickel 10.00 – 22.00 Silicon 0.50 – 2.50 Maganese 0.50 - 2.00 Nitrogen...
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WO/2022/097588A1 |
Provided is a steel sheet having excellent low-temperature toughness of the HAZ, especially after high heat input welding. This steel sheet contains predetermined ingredients in a predetermined range amount and has a composition in which...
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WO/2022/097965A1 |
Provided are plated steel sheets for hot press forming, hot press formed parts manufactured therefrom, and manufacturing methods thereof, the plated steel sheets for hot press forming comprising: a base steel sheet comprising, in weight ...
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WO/2022/098132A1 |
A steel sheet for enameling according to an embodiment of the present invention comprises, by weight%, 0.01-0.05% of C, 0.05-0.8% of Mn, 0.001-0.03% of Si, 0.03-0.12% of Al, 0.001-0.02% of P, 0.001-0.02% of S, 0.004% or less of N (exclud...
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WO/2022/097989A1 |
Provided are a high-strength galvanized steel sheet having excellent image clarity and a manufacturing method therefor. A high-strength, galvanized steel sheet of the present invention comprises, by mass%, 0.003-0.005% of C, 0.05% or les...
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WO/2022/092112A1 |
This wound core comprises a wound core body in which multiple polygonal ring-shaped grain-oriented electromagnetic steel plates are laminated in a side view, wherein: flat sections and bent sections of the grain-oriented electromagnetic ...
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WO/2022/089814A1 |
Alloy, raw workpiece, component consisting of austenite, and method. The new alloy allows austenites to be used at higher temperatures, with new heat treatments also being used.
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WO/2022/092114A1 |
This wound core comprises a wound core body obtained by laminating a plurality of grain-oriented electrical steel sheets having polygonal ring shapes in a side view. The grain-oriented electrical steel sheets have flat sections and bent ...
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WO/2022/092118A1 |
This wound core comprises a wound core body having a substantially rectangular shape in a side surface view, wherein in the wound core body, a first flat surface part and corner part are alternately continuous in the longitudinal directi...
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WO/2022/092120A1 |
This wound core comprises a wound core body in which multiple polygonal ring-shaped grain-oriented electromagnetic steel plates are laminated in a side view, wherein flat sections and bent sections of the grain-oriented electromagnetic s...
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WO/2022/091709A1 |
The purpose of the present invention is to provide: a hot-rolled steel sheet which is obtained at low cost and has low anisotropy during cold drawing, while having a small strength change before and after a heat treatment; and a method f...
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WO/2022/092095A1 |
A wound core comprising a wound core body having a substantially rectangular shape in a side view, the wound core body including a portion in which grain-oriented electrical steel sheets are laminated in a sheet thickness direction, the ...
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WO/2022/092116A1 |
This wound core comprises a wound core body that is rectangular when observed in a side view, wherein: the wound core body is configured such that first planar parts and corner parts are alternately continuous; and in at least one corner...
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WO/2022/086050A1 |
The present invention relates to a steel sheet suitable for a vehicle material and, more specifically, to an ultra high strength steel sheet having excellent ductility.
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WO/2022/083217A1 |
The present invention pertains to the technical field of ferrous metallurgy, and relates to a method for producing a free-cutting steel hot-rolled wire rod for an OA shaft. According to the present invention, appropriate chemical compone...
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WO/2022/086166A1 |
The present invention relates to a high-strength steel plate having excellent workability, and a method for manufacturing same, and more specifically, to: a high-strength steel plate which has excellent yield strength and elongation rate...
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WO/2022/085263A1 |
An objective of the present invention is to provide a grain-oriented electrical steel sheet having excellent insulating properties. The grain-oriented electrical steel sheet includes a steel sheet and coating films respectively provided ...
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WO/2022/086049A1 |
The present invention relates to a steel sheet that can be applied to automobile chassis parts and the like, and more particularly, to a high-strength steel sheet having excellent thermal stability, and a method for manufacturing the hig...
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WO/2022/087548A1 |
The present invention relates to ferrous alloys with high strength, cost-effective corrosion resistance and cracking resistance for refinery service environments, such as amine service under sweet or sour environments. More specifically,...
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WO/2022/087549A1 |
The present invention relates to ferrous alloys with high strength, cost-effective corrosion resistance and cracking resistance for refinery service environments, such as amine service under sweet or sour environments. More specifically,...
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WO/2022/083218A1 |
Disclosed are a preparation method for steel for an engineering machinery gear and a preparation method for a forge piece. By combining adjustment and optimization of processes such as converter smelting, LF furnace refining, RH vacuum t...
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WO/2022/085152A1 |
Provided is an electric resistance welded steel pipe for a mechanical structure component, the steel pipe including a machining part X corresponding to at least one of a drawing machining part and a steel pipe bending machining part, whe...
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WO/2022/078018A1 |
Disclosed in the present invention is a control method for segregation and net carbide of an 86-grade high-strength cord steel wire rod. The control method comprises: KR molten iron pre-desulfurization, BOF converter smelting, LF furnace...
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WO/2022/078693A1 |
The invention relates to a method for shaping a semi-finished product formed from a low-alloy steel, which contains at least 0.2% by mass of carbon and at least 0.5% by mass of silicon, wherein the semi-finished product at least at the a...
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WO/2022/080497A1 |
This steel sheet has a specified chemical composition, in which a microstructure located at a position corresponding to the depth of 1/4 of the thickness of the steel sheet from the surface contains, in terms of volume fractions, 0% to 5...
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WO/2022/075026A1 |
Provided are a rectangular steel pipe, a production method therefor, and a building structure. The present invention is a rectangular steel pipe having flat plate parts and corner parts, wherein, when the average thickness of the plate p...
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WO/2022/074933A1 |
A low-strength thick steel sheet having excellent elongation properties and corrosion resistance, which has a specified compositional formula, in which a metal structure contains ferrite at an area ratio of 70% or more relative to the wh...
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WO/2022/075406A1 |
The present invention provides a martensitic stainless steel material which has high strength and excellent SSC resistance. A martensitic stainless steel material according to the present disclosure contains, in mass%, 0.030% or less of ...
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WO/2022/075405A1 |
Provided is a martensite-based stainless steel material which exhibits high strength and excellent SSC resistance. This martensite-based stainless steel material contains, in terms of mass%, not more than 0.030% of C, 5.05-7.50% of Ni, 1...
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WO/2022/075027A1 |
Provided are an electric resistance welded steel pipe and a method for manufacturing the same. The present invention is an electric resistance welded steel pipe having a base material section and a welded section, wherein: the steel stru...
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WO/2022/074883A1 |
The present invention is a method for forming a groove in a metal strip surface, in which: a coating agent for forming an etching resist coating is applied to a roller; a laser is projected onto the roller while being scanned in an axial...
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WO/2022/074882A1 |
The present invention suitably removes an etching resist coating, even with a low-power laser, to form a narrow groove on a metal strip surface, while also reducing the thermal effect on the metal strip caused by laser irradiation, and t...
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WO/2021/057954A9 |
Disclosed is a steel for an alloy structure, the chemical elements of the steel being, in percentage by mass: 0.35-0.45% of C, 0.27-0.35% of Si, 0.6-0.8% of Mn, 0.015-0.05% of Al, 0.06-0.1% of V, 0.2-1.0% of Zr, 0.001-0.005% of Mg, P ≤...
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WO/2022/067962A1 |
The present invention relates to the technical field of steel production. Disclosed is low-cost high-performance Q370qE-HPS bridge steel, comprising the following chemical components in mass percentage: C: 0.05%-0.08%, Si: 0.10%-0.40%, M...
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WO/2022/071420A1 |
Provided is a steel material that has excellent cutability, has excellent bending fatigue strength and surface fatigue strength even after being subjected to gas carburizing treatment or the like, and can suppress heat-treatment deformat...
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WO/2022/068201A1 |
An ultra-strong, ductile and cheap medium manganese steel comprises in percentage by mass: 8-12 wt. %Mn, 0.2-0.4 wt. %C, 1-3 wt. %Al, 0.05-0.39 wt. %V, and the balance of Fe. The manufacturing method of the ultra-strong and ductile mediu...
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WO/2022/071007A1 |
This welded rail according to one aspect of the present invention is provided with: a plurality of rail parts that each have a head section and a pillar section and each have a height h; and a welding joint part that joins the rail parts...
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WO/2022/071419A1 |
Provided is a steel material that has excellent machinability, that has excellent bending fatigue strength and surface fatigue strength even after having a vacuum carburization process or the like performed thereon, and that can suppress...
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WO/2022/070508A1 |
Provided are: a soft magnetic material that is formed from an FeCo-based alloy and that is capable of achieving a high saturation density as a result of reducing the Co content; a soft magnetic material manufacturing method; and an elect...
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