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WO/2022/255437A1 |
This austenitic stainless steel material has a chemical composition comprising, by mass%, 0.20% or less of C, 2.0% or less of Si, 6.0-20.0% of Mn, 0.060% or less of P, 0.0080% or less of S, 10.0-18.0% of Cr, 4.0-12.0% of Ni, 0.01-0.30% o...
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WO/2022/255727A1 |
Disclosed are a wire rod and a steel wire for a spring, a spring with improved strength and fatigue limit, and a method for manufacturing same. The disclosed wire rod for a spring with improved strength and fatigue limit, according to on...
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WO/2022/255223A1 |
An austenitic stainless steel which has a chemical composition that contains, in mass%, 0.002% to 0.020% of C, 0.10% to 0.60% of Si, 0.2% to 2.0% of Mn, 0.035% or less of P, 0.010% or less of S, 2.50% to 4.50% of Cu, 9.00% to 16.00% of N...
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WO/2022/253489A1 |
The present invention relates to a heat treatment unit, in particular a cooling cowl, comprising a chamber with an inlet opening through which a gaseous cooling medium can be fed to the chamber and a slit-shaped outlet opening through wh...
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WO/2022/250156A1 |
The present invention provides a method for producing a grain-oriented electromagnetic steel sheet, the method enabling the achievement of a grain-oriented electromagnetic steel sheet that exhibits excellent coating adhesion. A method fo...
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WO/2022/250091A1 |
This automobile body is for use on public roads, has excellent collision safety, and comprises at least: a steel material including a steel plate having a tensile strength of 1,180 MPa or more; a non-iron metal material; and a resin mate...
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WO/2022/250168A1 |
This grain-oriented electromagnetic steel sheet has a base steel sheet, an oxide film, and a phosphoric-acid-based coating film. The phosphoric-acid-based coating film contains a first crystalline phosphorus oxide having a crystal struct...
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WO/2022/248103A1 |
The present invention relates to a system (1) and a method for thermomechanically rolling long steel semi-finished products (2), comprising: a first rolling device (5); a first thermomechanical sizing mill (8) arranged downstream of the ...
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WO/2022/249651A1 |
The purpose of the present invention is to provide a resistance spot welding member and a resistance spot welding method therefor. The present invention is a resistance spot welding member comprising a resistance spot welding part in whi...
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WO/2022/250160A1 |
Provided is a method for producing a grain-oriented electrical steel sheet with which it is possible to obtain, in a stable manner, satisfactory coating characteristics along the entire length and the entire width of a steel sheet coil. ...
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WO/2022/249919A1 |
A high-strength alloyed hot-dip galvanized steel sheet according to one aspect of the present invention has a plating layer on a surface of a base steel sheet. The base steel sheet satisfies a prescribed chemical component composition. I...
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WO/2022/250161A1 |
Provided is a method for producing a grain-oriented electrical steel sheet which makes it possible to stably produce a grain-oriented electrical steel sheet that has low iron loss and solves the problem of steel sheet cracking which occu...
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WO/2022/250067A1 |
Provided is a method for manufacturing a grain-oriented electromagnetic steel sheet having excellent uniformity in magnetic characteristics in a sheet width direction without causing an increase in manufacturing cost. In this invention, ...
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WO/2022/248102A1 |
The present application relates to a system (1) and a method for the thermomechanical rolling of long semifinished steel products (2), comprising a first rolling device (5); a second rolling device (7), arranged downstream of the first r...
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WO/2022/250163A1 |
Provided is an oriented electromagnetic steel sheet having a base steel sheet, an intermediate layer, and an insulating film, wherein: the intermediate layer is an oxidized film; the average film thickness of the oxidized film is 2-500 n...
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WO/2022/249650A1 |
The purpose of the present invention is to provide an automotive member and a resistance-spot-welding method for the automotive member. The automotive member according to the present invention has a resistance-spot-welded portion in whic...
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WO/2022/248089A1 |
The invention relates to a strip treatment system for the continuous thermal treatment of a metal strip (6), comprising an annealing furnace and a heatable overageing chamber (11) downstream thereof. In the overageing chamber (11), the m...
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WO/2022/250162A1 |
The present invention provides: a grain-oriented electromagnetic steel sheet which exhibits good working accuracy during a roll-up process, while maintaining excellent magnetic characteristics; and a method for producing this grain-orien...
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WO/2022/243461A1 |
Method for manufacturing a high strength steel plate and high strength steel plate The present invention relates to a method for manufacturing a high strength steel plate, comprising the step of providing a hot-rolled steel plate, the st...
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WO/2022/242859A1 |
The present invention relates to a method for manufacturing a high strength steel plate, comprising the steps of providing a hot-rolled steel plate, heating (10) the steel plate to an austenitisation temperature range, quenching (12) the...
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WO/2022/244707A1 |
This high-strength hot-rolled steel plate has a specific component composition. The steel structure has, as main phases, martensite and bainite having a total area ratio of 80-100%. The total area ratio of martensite in the bainite is 2-...
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WO/2022/243397A1 |
The invention relates to a flat steel product for hot forming composed of a steel substrate (13) composed of a steel comprising 0.1-3% by weight of Mn and optionally up to 0.01% by weight of B and an Al-based protective coating (15) appl...
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WO/2022/244772A1 |
According to the present invention, a base steel sheet containing 0.50-3.00 mass% of Si is subjected to Fe-based electroplating by using an Fe-based electroplating solution containing Fe ions and transition metal ions other than Fe ions ...
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WO/2022/242514A1 |
Disclosed in the present invention is a continuous line annealing and pickling production method for an iron-chromium-aluminum cold-rolled coil, comprising: (1) welding two adjacent iron-chromium-aluminum cold-rolled coils to obtain a st...
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WO/2022/244592A1 |
An alloyed hot-dip galvanized steel sheet according to the present disclosure has a base material steel sheet and a coating layer, wherein the base material steel sheet has a prescribed chemical composition in mass %, in a cross-sectiona...
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WO/2022/242793A1 |
The invention relates to a method for producing a rolling element bearing component (1), wherein: the rolling element bearing component (1) is formed from a rolling element bearing steel of the type 100CrMnSi6-4 or 100Cr6; in order to fo...
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WO/2022/243000A1 |
:A stainless steel wire is provided. The stainless steel wire has a tensile strength of more than 1950MPa, and the stainless steel wire has an arc height of less than 60 mm/m. The invention stainless steel wire has a higher tensile stren...
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WO/2022/244701A1 |
The present invention addresses the problem of reducing the cause of etching failure or pinholes as much as possible in an extremely thin ferrous alloy foil that has a thickness of 10-30 μm and that is applied to a metal mask used for i...
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WO/2022/244782A1 |
The present invention provides a stock cold-rolled steel sheet with an Fe-based coating film, the stock cold-rolled steel sheet having excellent primary rust preventive properties or excellent plating appearance. This stock cold-rolled s...
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WO/2022/244591A1 |
An alloyed hot-dip galvanized steel sheet according to the present disclosure has a base material steel sheet and a coating layer, wherein the base material steel sheet has a prescribed chemical composition in mass %, the standard deviat...
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WO/2022/244706A1 |
A high-strength hot-rolled steel sheet according to the present invention has a specific component composition; the structure of this high-strength hot-rolled steel sheet contains a total 80-100% by area of martensite and bainite as the ...
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WO/2022/239758A1 |
This hot stamped molded body has a metallographic structure having a prescribed chemical composition, the average grain size of old austenite grains being 5-25 μm, and the standard deviation of the grain size of the old austenite grains...
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WO/2022/239866A1 |
The present invention provides a steel sheet for hot stamping that has a prescribed chemical composition, in which: when the Mo content of the steel sheet is measured, by line analysis using EPMA, in a range of 0.05 mm in the thickness d...
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WO/2022/237263A1 |
Bainite cast steel for a semi-autogenous grinding mill, a preparation method therefor, and a bainite cast steel liner of the semi-autogenous grinding mill, which relate to the technical field of wear-resistant steel. The bainite cast ste...
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WO/2022/239731A1 |
This steel sheet for hot stamping has a prescribed chemical composition, and has a metal structure in which Sα+SGB, which is the sum of the area percentage Sα of ferrite and the area percentage SGB of granular bainite, is greater than ...
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WO/2022/240166A1 |
The present invention relates to a heat treatment apparatus or method using an induction heating coil, and a method of performing, during the formation of a layered structure, layering and real-time heat treatment at the same time throug...
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WO/2022/237073A1 |
An aluminum alloy material, and an aluminum alloy wire and a preparation method therefor, relating to the field of aluminum alloys. The aluminum alloy material comprises the following components in percentage by mass: 0.1-0.25% of Fe, 0....
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WO/2022/239071A1 |
The present invention relates to a galvanized steel sheet including: a steel sheet that has a sheet thickness of 0.10-0.95 mm and that contains 0.05-0.30% of C, 0.01-3.00% of Si, 0.80-3.00% of Mn, and 0.010-2.000% of Al; and a galvanized...
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WO/2022/236971A1 |
Disclosed in the present invention is a quenching apparatus and method for a bottle-type container for a thick-wall station. The wall thickness of the bottle-type container for a quenched object is 40-50 mm. The apparatus consists of a d...
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WO/2022/234414A1 |
A steel sheet made of a steel having a composition comprising, C : 0.3 - 0.4 %, Mn : 0.5 - 1.0 %, Si : 0.4 - 0.8 %, Cr : 0.1 - 1.0 %, Mo : 0.1 - 0.5 %, Nb : 0.01 - 0.1 %, Al : 0.01 - 0.1 %, Ti: 0.008 - 0.03 %, B: 0.0005 - 0.003 %, P ≤ ...
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WO/2022/234413A1 |
A steel sheet made of a steel having a composition comprising, C : 0.3 - 0.4 %, Mn : 0.5 - 1.0 %, Si : 0.4 - 0.8 %, Cr : 0.1 - 1.0 %, Mo : 0.1 - 0.5 %, Nb : 0.01 - 0.1 %, Al : 0.01 - 0.1 %, Ti: 0.008 - 0.03 %, B: 0.0005 - 0.003 %, P ≤ ...
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WO/2022/234902A1 |
An electrical steel sheet according to the present invention comprises, by wt%, 2.0-4.0% of Si, Mn in an amount greater than 0.5% and less than or equal to 2.0%, 0.01% or less of S (excluding 0%), 0.01% or less of C (excluding 0%), 0.01%...
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WO/2022/234701A1 |
The present invention provides: a method for controlling the dew point of a continuous annealing furnace, the method being capable of controlling the dew point within the furnace in a short time; a continuous annealing method for steel s...
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WO/2022/234760A1 |
The present invention can provide a method for producing a steel sheet for cold rolling in an intermediate process of production of a high-tensile cold-rolled steel sheet, said method making it possible to prevent an end portion of the s...
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WO/2022/234901A1 |
An electric steel sheet according to the present invention comprises, in weight%, Si: 2.0% to 4.0%, Mn: 0.5% (exclusive) to 2.0% (inclusive), S: 0.01% or less (excluding 0%), C: 0.01% or less (excluding 0%), N: 0.01% or less (excluding 0...
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WO/2022/234320A1 |
A steel sheet made of a steel having a composition comprising, C : 0.3 - 0.4 %, Mn : 0.5 - 1.0 %, Si : 0.4 - 0.8 %, Cr : 0.1 - 1.0 %, Mo : 0.1 - 0.5 %, Nb : 0.01 - 0.1 %, Al : 0.01 - 0.1 %, Ti: 0.008 - 0.03 %, B: 0.0005 - 0.003 %, P ≤ ...
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WO/2022/234319A1 |
A steel sheet made of a steel having a composition comprising, C : 0.3 - 0.4 %, Mn : 0.5 - 1.0 %, Si : 0.4 - 0.8 %, Cr : 0.1 - 1.0 %, Mo : 0.1 - 0.5 %, Nb : 0.01 - 0.1 %, Al : 0.01 - 0.1 %, Ti: 0.008 - 0.03 %, B: 0.0005 - 0.003 %, P ≤ ...
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WO/2022/234708A1 |
The press-forming method according to the present invention, which reduces the time required for a change in the shape of a press-formed article 1 over time after springback that occurs immediately after release from the die, includes: a...
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WO/2022/230771A1 |
This rolling bearing (100) comprises multiple balls (30) and two race members (10, 20). The balls and the race members each have a contact surface. The balls and/or the raceway members have a surface layer part (50) formed in a region up...
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WO/2022/227160A1 |
Disclosed is a gear steel bar with controlled rolling and high-temperature tempering. The gear steel bar comprises the following components in percentage by weight: 0.15-0.25 % of C, 1.00-1.50 % of Mn, less than or equal to 0.35 % of Si,...
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