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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/2022/250112A1 |
In this invention, when manufacturing a grain-oriented electromagnetic steel sheet: a steel slab, which contains, by mass%, 0.02 to 0.10% of C, 2.5 to 5.5% of Si, 0.01 to 0.30% of Mn, 0.0010 to 0.040% of S, 0 to 0.040% of Se, 0.010 to 0....
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WO/2022/247752A1 |
1000 MPa grade magnetic yoke steel for manufacturing a rotor of a hydroelectric generator. Chemical components with wt% of said steel are: C: 0.15-0.25%, Si: 0.15-0.25%, Mn: 1.00-1.35%, P: ≤ 0.015%, S: ≤ 0.002%, B: 0.0010-0.0015%, Al...
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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/2022/250157A1 |
The present invention provides an oriented magnetic steel sheet that enables good machining precision during a rounding process, while maintaining an iron loss characteristic. An oriented magnetic steel sheet manufacturing method where...
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WO/2022/250159A1 |
Provided is a method for manufacturing a grain-oriented electromagnetic steel sheet which has a defect-free, uniform, and highly adhesive coating over the entire width and entire length of a coil and which also exhibits excellent magneti...
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WO/2022/250158A1 |
The present invention aims to reduce the number of surface defects in grain-oriented electromagnetic steel sheets. During the production of grain-oriented electromagnetic steel sheets, a steel slab is heated prior to undergoing hot rolli...
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WO/2022/250113A1 |
In this method for manufacturing a grain-oriented electromagnetic steel sheet, the grain-oriented electromagnetic steel sheet is manufactured by: hot-rolling a steel slab, which has a component composition comprising, by mass%, 0.02 to 0...
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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/2022/245064A1 |
The present invention relates to: a plated steel sheet which is for hot forming, has excellent hydrogen embrittlement resistance, and includes an Al-based plating layer formed on the surface of a base steel sheet, wherein the average Ni ...
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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/2022/242742A1 |
Disclosed in the present invention is a high-strength seamless steel tube resistant to carbon dioxide corrosion. In addition to containing Fe and inevitable impurities, the seamless steel tube further contains the following chemical elem...
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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/2022/239591A1 |
Provided are a high-strength hot-rolled steel sheet and manufacturing method therefor, and a high-strength electric resistance welded steel pipe and manufacturing method therefor. In the high-strength hot-rolled steel sheet according to ...
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WO/2022/239886A1 |
The present invention relates to a commercially pure titanium alloy meeting both high strength and high ductility, and a preparation method therefor, and titanium according to one embodiment of the present invention comprises components ...
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WO/2022/236975A1 |
The present invention relates to the technical field of metal materials, and disclosed are a high-manganese steel wire rod for welding and a steel rolling process therefor. By alloying C, Mn and Cr and in combination with a certain amoun...
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WO/2022/240977A1 |
A system for forming a deep drawn helmet and method therefor are disclosed. The system includes a forming draw ring and a non-forming draw ring and supports a prepreg stack between a forming aperture of the forming draw ring and a non-fo...
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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/2022/234901A1 |
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/2022/234220A1 |
The invention relates to a method for forging a part from a maraging steel ingot, characterized in that said method, further to conventional forging steps, comprises a recrystallizing step selected from: - a step of recrystallizing by he...
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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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WO/2022/229305A1 |
The invention relates to an electrical steel strip having at least one functional layer (4) that consists at least in part of a ferromagnetic material and having at least one auxiliary layer (8) that consists at least in part of a non-ma...
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WO/2022/231148A1 |
The present invention relates to a method for manufacturing an aluminum alloy for a heat exchanger. The present invention pertains to a heat treatment process method for simultaneously achieving excellent perforation corrosion resistance...
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WO/2022/228574A1 |
A hot stamping component having a tensile strength ≥1000 MPa and a fabrication method therefor. The chemical composition of said hot stamping component by weight percentage is as follows: 0.05-0.20% of C, 0.02-1.00% of Si, 0.5-2.0% of ...
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WO/2022/228216A1 |
Disclosed are a steel for a high-temperature carburized gear shaft and a manufacturing method for the steel. The steel for the high-temperature carburized gear shaft comprises the following chemical components in percentage by mass: 0.17...
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WO/2022/227396A1 |
Disclosed are an efficiently welded bridge steel and a fabrication method therefor, which relate to the technical field of iron and steel production. The efficiently welded bridge steel comprises the following chemical components in mass...
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WO/2022/222294A1 |
Disclosed in the present invention are a high-toughness quasi-sub-temperature quenched 09MnNiDR container steel and a preparation method therefor, which relate to the technical field of steel production. The high-toughness quasi-sub-temp...
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WO/2022/223719A1 |
This invention relates to a cold-rolled and annealed bake-hardenable steel hot-dip galvanised or electrogalvanised strip or sheet and a method for producing the strip or sheet.
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WO/2022/224458A1 |
Provided is a wear-resistant steel sheet having a predetermined chemical composition, wherein: the Vickers hardness HV10 (Hv) thereof at a position 1 mm deep from the surface satisfies expression 1: HV10 ≥ 634 x √[C] + 140; crystal g...
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WO/2022/224640A1 |
Provided are a stainless steel pipe and a manufacturing method thereof. This stainless steel pipe has: a component composition containing, by mass%, 0.05% or less of C, 1.0% or less of Si, 0.10 to 2.0% of Mn, 0.05% or less of P, less tha...
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WO/2022/219853A1 |
The material of an oil ring wire 2 is an alloy steel. The alloy steel contains 0.50-0.65 mass% of C, 1.60-2.30 mass% of Si, 0.60-1.10 mass% of Mn, 0.75-1.15 mass% of Cr, 0.18-0.45 mass% of Ni, 0.05-0.15 mass% of V, and 0.15 mass% or less...
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WO/2022/219742A1 |
This hot-rolled steel sheet for a non-oriented electrical steel sheet has a solid solution Ti amount of 0.0005% or less and includes Ti carbides having a circle equivalent diameter of 10-50 nm at the grain boundary or within ferrite grai...
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WO/2022/220237A1 |
Provided is a railroad wheel having excellent toughness at a boss portion. A railroad wheel according to the present disclosure comprises a rim portion, a boss portion having a through-hole, and a plate portion. The railroad wheel has a ...
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WO/2022/219854A1 |
The material of an oil ring wire 2 is an alloy steel. The alloy steel includes 0.50-0.65 mass% C, 1.60-2.30 mass% Si, 0.60-1.10 mass% Mn, 0.75-1.15 mass% Cr, 0.18-0.45 mass% Ni, 0.05-0.15 mass% V, not more than 0.15 mass% Cu, and unavoid...
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WO/2022/214527A1 |
An apparatus (100) for continuous monitoring of a metallic material (20) in a rolling process, comprising: at least one roll- separating force sensor (101); at least one strain sensor (102); at least one temperature sensor (103); at leas...
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WO/2022/215710A1 |
This grain-oriented electrical steel sheet has a base steel sheet, and an insulating film formed on a surface of the base steel sheet. The insulating film has: an intermediate layer that is formed on the base steel sheet side and that co...
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WO/2022/215709A1 |
This grain-oriented electromagnetic steel sheet comprises a base steel sheet and an insulating film that is formed on the surface of the base steel sheet; the insulating film comprises an intermediate layer that is formed on the base ste...
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WO/2022/214488A1 |
The invention relates to a high strength cold rolled steel sheet having a composition consisting of the following elements (in wt. %):C 0.08 –0.14, Mn 2.5 – 3.0, Si 0.7 – 1.1, Cr 0.05 – 0.4. Optionally Al ≤ 0.2, Nb ≤ 0.1, Mo ...
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WO/2022/215714A1 |
This grain-oriented electrical steel sheet has a base steel sheet and an insulating film formed on a surface of the base steel sheet. The base steel sheet has, on the insulating film side, an iron-based oxide layer containing an iron-bas...
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WO/2022/215548A1 |
This hot-stretch-reduced electric resistance welded pipe has a base metal part and a weld part, the base metal part having a prescribed chemical composition, the value of Ti/N obtained by dividing the Ti content by the N content being 3....
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WO/2022/213853A1 |
Disclosed is a non-oriented electrical steel plate, the content of the chemical elements thereof in mass percentage being as follows: 0
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WO/2022/205939A1 |
A hydrogen-induced-cracking-resistant pressure vessel steel plate with a thickness greater than 200-250 mm. The steel plate contains the following chemical components: C: 0.10-0.20%, Si: 0.15-0.40%, Mn: 0.95-1.35%, P: ≤0.005%, S: ≤0....
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WO/2022/211004A1 |
This non-oriented electromagnetic steel sheet has a base material having a chemical composition containing 3.7-4.8% of Si, has a recrystallization rate less than 100% in terms of area ratio, satisfies formulae (i) and (ii), and has a ten...
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WO/2022/205794A1 |
Disclosed are steel for a high-cleanliness camshaft and a rolling method therefor. The mass percentages of the chemical components of the steel are as follows: C: 0.17-0.22%; Si: 0.17-0.37%; Mn: 1.10-1.40%; Cr: 1.00-1.30%; P: ≤0.020%; ...
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WO/2022/209896A1 |
The purpose of the present invention is to provide a steel pipe for high-pressure hydrogen that has high strength and a small fatigue crack growth rate in a range where ΔK regarding fatigue crack growth characteristics is 10 MPa·m1/2 o...
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