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WO/2024/040760A1 |
A production method for an atmospheric-corrosion-resistant steel plate. The steel comprises the following components, in percentages by weight: C=0.03-0.08%, Si≤0.60%, Mn=0.50-1.50%, P≤0.025%, S≤0.005%, Al=0.01-0.06%, Cu=0.30-0.60%...
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WO/2024/043606A1 |
The present invention relates to a cold rolled steel sheet for hot-press forming, a hot-press-formed member, and a method for manufacturing same and, more specifically, to a cold rolled steel sheet for hot-press forming, having excellent...
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WO/2024/041687A1 |
The invention relates to an electromechanical actuator (1), comprising a screw drive (2, 8) in the form of a planetary rolling screw drive (2, 8), wherein the planetary rolling screw drive (2, 8) provided is a true-pitch screw drive havi...
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WO/2024/043080A1 |
This austenitic stainless steel is configured such that, when the amount of hydrogen released at a temperature ranging from 25°C to 800°C at a temperature elevation rate of 100°C/h is determined by thermal desorption analysis of hydro...
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WO/2024/041533A1 |
Disclosed in the present invention is a 100-kg-grade cold-rolled low-alloy annealed dual-phase steel, which comprises Fe and inevitable impurities, and further comprises the following chemical elements in percentages by mass: 0.1%
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WO/2024/041539A1 |
Disclosed in the present invention is dual-phase steel, comprising, in addition to 90% or more of Fe and inevitable impurities, the following components in percentages by mass: C: 0.09-0.11%, Si: 0.1-0.3%, Mn: 1.4-1.6%, Al: 0.01-0.03%, N...
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WO/2024/040761A1 |
A production method for a high-strength, high-toughness and weather-resistant bridge steel plate. The steel comprises the following components, in percentages by weight: C=0.05-0.08%, Si=0.10-0.30%, Mn=1.20-1.50%, P≤0.015%, S≤0.005%,...
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WO/2024/038612A1 |
Provided is a thick steel sheet that has a high degree of strength, a low yield ratio, and a high degree of toughness, and that has excellent toughness of the joint bond section even with high heat-input welding where the welding heat in...
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WO/2024/038829A1 |
Provided is a magnetic powder excellent in high frequency characteristics with low iron loss and excellent efficiency even when a high frequency is applied. The present invention relates to an α-Fe-containing rare earth element-iron-nit...
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WO/2024/038764A1 |
A ferritic stainless steel sheet which is characterized by containing, in mass%, 0.02% or less of C, 0.01% to 1.00% of Si, 0.01% to 1.00% of Mn, 0.040% or less of P, 0.006% or less of S, 12.5% to 30.0% of Cr, 0.30% to 2.50% of Mo, 0.02% ...
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WO/2024/037504A1 |
Disclosed in the present invention is a non-oriented electrical steel for an electric vehicle drive motor. In addition to Fe and inevitable impurities, the non-oriented electrical steel further includes the following chemical elements in...
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WO/2024/038037A1 |
The invention relates to a steel flat product for hot forming and a sheet metal moulded part produced therefrom. The steel substrate of the steel flat product and the sheet metal formed part has increased contents of aluminium and vanadi...
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WO/2024/038684A1 |
The present invention provides a thick steel sheet which has high strength, low yield ratio and high toughness at the same time, while achieving excellent toughness in a joint bond part even in cases of high heat input welding wherein th...
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WO/2024/038664A1 |
This plated steel sheet includes a steel sheet and a plating layer disposed on the surface of the steel sheet, and the plating layer has a chemical composition containing: 10.0-25.0% of Al; 3.0-10.0% of Mg; 0.01-2.00% of Fe; and more tha...
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WO/2024/032528A1 |
A hot stamped part having excellent low-temperature brittleness resistance, comprising Fe and inevitable impurities, and also comprising the following chemical elements in percentage by mass: C: 0.26-0.40%, Si: 0.1-1.5%, Mn+Cr: 0.5-3.0%,...
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WO/2024/034937A1 |
Provided is an alloy for plasma etching equipment, the alloy comprising: stainless steel; and dysprosium (Dy) added to the stainless steel.
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WO/2024/032705A1 |
A cold forging steel and a manufacturing method therefor. The cold forging steel comprises the following chemical elements in percentages by mass: C: 0.170-0.220%, Si: 0.10-0.30%, Mn: 1.00-1.20%, S: 0.010-0.020%, Cr: 1.10-1.30%, Al: 0.01...
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WO/2024/033688A1 |
A martensitic steel sheet comprising the following elements 0.07% ≦ C ≦ 0.12%; 1.9% ≦ Mn ≦ 2.5 %; 0.2% ≦ Si ≦ 0.6%; 0.01% ≦ Al ≦ 0.1%; 0.1% ≦ Cr ≦ 0.5%; 0.2% ≦ Mo ≦ 0.6%; 0% ≦ S ≦ 0.09%; 0% ≦ P ≦ 0.09%; 0%...
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WO/2024/032949A1 |
The invention relates to a hot-rolled high-strength steel strip having a composition, in wt.%, C: 0.06-0.12 wt.%, Mn: 1.20-2.20 wt.%, Ti: 0.07-0.15 wt.%, Si: up to 0.65 wt.%, Al: up to 0.10 wt.%, P: up to 0.02 wt.%, S: up to 0.01 wt.%, N...
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WO/2024/033586A1 |
The present invention relates to an iron-based alloy composition comprising, in percentages by weight of the total composition: nickel: 38.0 - 42.0, niobium: 4.750 - 5.500, carbon: 0.010 - 0.100, cobalt: ≤0.400, chromium: ≤0.500; sil...
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WO/2024/033117A1 |
The invention relates to metal parts for producing rubber articles such as bands for wheels, caterpillar tracks, conveyor belts or transmission belts, which are iron based and in particular based on an Fe-Ni alloy, having a low isobaric ...
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WO/2024/028640A1 |
A coated steel sheet with variable thickness in the rolling direction, having at least one portion rolled at a rolling ratio from 1 to 60%, wherein the coating comprises zinc, silicon, magnesium, up to 3.0% of iron, optional elements cho...
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WO/2024/028438A1 |
The present invention relates to a filler metal for joint welding of dissimilar welds of fully austenitic stainless steels in combination with low and unalloyed steels. The invention relates to solid wire electrodes as well as flux cored...
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WO/2024/029679A1 |
A high corrosion resistance and high strength stainless steel, according to one example of the present invention, comprises, in wt%, 0.01-0.1% of C, 0.01-0.1% of N, 0.01-1.0% of Si, 0.01-3.0% of Mn, 10.0-20.0% of Cr, 0.001-1.0% of Al, at...
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WO/2024/028763A1 |
A coated steel sheet with variable thickness in the rolling direction, having one portion rolled at a rolling ratio from 1 to 60% and at least another portion rolled at a different rolling ratio, wherein the coating comprises zinc, silic...
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WO/2024/027526A1 |
An extra-thick Q500qE bridge steel plate and a production method therefor. In the production method, a rolling treatment is directly performed on a slab after heating performed before three-stage rolling, and a three-stage cooling treatm...
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WO/2024/029626A1 |
Provided is a method for manufacturing a spot welded joint, comprising: a regular welding step in which a regular welding current value Iw0 (kA) is supplied, so as to satisfy a predetermined condition, to a plate assembly comprising high...
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WO/2024/029145A1 |
Provided is a steel plate characterized by having: a specific chemical composition; an average Vicker's hardness Hs, in a region spanning from at least one surface to 10% of the plate thickness, that is no greater than 0.60 times the ave...
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WO/2024/027264A1 |
The present invention belongs to the field of steel rail production, and particularly relates to a medium-strength steel rail having high yield strength and a production method therefor. The medium-strength steel rail having high yield s...
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WO/2024/024407A1 |
Provided is an alloy steel capable of reducing the maximum crystal grain size and reducing the variability of the crystal grain size after an M50-equivalent alloy is quenched. This alloy steel is formed of, in mass%, 0.70-0.95% of C, 0...
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WO/2024/024853A1 |
This composite magnetic sheet comprises a metal magnetic powder and a binder. The saturation magnetization of the composite magnetic sheet is 0.73T to1.20T inclusive. The average thickness of the metal magnetic powder is between 0.1 μm ...
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WO/2024/022531A1 |
Disclosed in the present disclosure are a corrosion-resistant and wear-resistant steel plate and a manufacturing method therefor. The steel plate comprises, in percentages by weight: C: 0.15% ≤ C ≤ 0.25%; Si: 0.10% ≤ Si ≤ 0.50%; ...
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WO/2024/025245A1 |
A non-oriented electrical steel sheet according to an embodiment of the present invention is a non-oriented electrical steel sheet comprising: more than 0 and equal to or less than 0.003 wt% of carbon (C); 2.0-4.0 wt% of silicon (Si); 0....
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WO/2024/024606A1 |
A ball bearing (100) comprises an inner ring (10), an outer ring (20), and a ball (30). At least one bearing part among the inner ring, the outer ring, and the ball has contact surfaces (10da, 20ca, 30a). The bearing parts are made of st...
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WO/2024/024401A1 |
This steel wire comprises a steel containing 0.9-1.1 mass% of carbon, 0.15-0.25 mass% of silicon, 0.25-0.35 mass% of manganese, and 0.15-0.25 mass% of chromium, with the remainder consisting of iron and unavoidable impurities, wherein: t...
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WO/2024/024236A1 |
Provided is a microbiologically assisted cracking-resistant low-alloy steel that is practical in terms of production. The microbiologically assisted cracking-resistant low-alloy steel comprises C: 0.30% or less, Mn: 0.10-3.00%, P: 0.030%...
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WO/2024/022109A1 |
A non-oriented electrical steel sheet having a high magnetic flux density, comprising Fe and inevitable impurities, and further comprising the following chemical elements in percentage by mass: C≤0.003%; Si: 1.2-3.0%; Mn: 0.1-0.6%; P: ...
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WO/2024/024605A1 |
A ball bearing (100) comprises an inner ring (10), an outer ring (20), and a ball (30). At least one bearing component, from among the inner ring, the outer ring, and the ball, has a contact surface (10da, 20ca, 30a). The bearing compone...
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WO/2024/022530A1 |
A steel plate for a box of a large mining dump truck in an extremely cold zone and a manufacturing method therefor. The steel plate is divided into a composite-layer steel plate and a base-layer steel plate. The composite-layer steel pla...
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WO/2024/019604A1 |
A hot-rolled steel sheet and a manufacturing method therefor are provided. The hot-rolled steel sheet of the present invention comprises, in wt%, 0.03-0.08% of C, 0.01-1.0% of Si, 1.0-2.0% of Mn, 0.01-0.1% of Sol.Al, 0.005-0.5% of Cr, 0....
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WO/2024/020145A1 |
Disclosed herein are duplex stainless steel alloys comprising 40 wt% – 60 wt% ferrite and 60 wt% – 40 wt% austenite and methods of formation thereof, the alloys including or consisting essentially of from 10 wt% to 20 wt% chromium (C...
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WO/2024/016543A1 |
High-strength and high-toughness hot-rolled H-shaped steel for a building and a preparation method therefor. The H-shaped steel comprises the following chemical components in percentage by weight (wt%): C: 0.06-0.10; Si: ≤0.25; Mn: 0.8...
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WO/2024/018255A1 |
A process for welding at least two steel sheets comprising the following successive steps: providing at least one steel sheet having a composition comprising the following elements, expressed by weight percent: 0.01% ≤ C ≤ 0.2%, 2.5%...
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WO/2024/019478A1 |
The present invention provides a non-oriented electric steel sheet comprising 2.8 to 3.8 wt% of silicon (Si), 0.2 to 0.5 wt% of manganese (Mn), 0.5 to 1.2 wt% of aluminum (Al), 0 (exclusive) to 0.002 wt% of carbon (C), 0 (exclusive) to 0...
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WO/2024/016419A1 |
A low-yield-ratio weather-resistant bridge steel and a manufacturing method, relating to the technical field of steel production. The chemical components of the bridge steel are as follows, in percentage by mass: 0.06%-0.09% of C, 0.15%-...
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WO/2024/016482A1 |
The present invention relates to the field of high-strength alloy fastener manufacturing, and provides ultrahigh-strength alloy steel, a 19.8-grade threaded fastener and a preparation method therefor. The ultrahigh-strength alloy steel p...
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WO/2024/019013A1 |
The present invention provides a steel material which has excellent fusion cracking resistance, excellent resistance to cracking during hot working and excellent machinability, and which enables a component for machine structures to achi...
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WO/2024/018520A1 |
The present invention uses a high strength stainless steel wire which contains C, Si, Mn, P, S, Ni, Cr, N, Al, O and Ca and in which the total amount of Ti, Nb, Ta and W is 0.50% or less, with the remainder comprising Fe and impurities. ...
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WO/2024/017347A1 |
Disclosed in the present invention is a non-oriented electrical steel sheet. In addition to Fe and inevitable impurities, the non-oriented electrical steel sheet further contains the following chemical elements in percentage by mass: 0 <...
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WO/2024/017394A1 |
An aluminum-silicon-plated steel plate with a coating, the aluminum-silicon-plated steel plate comprising a steel substrate and an aluminum-silicon plating plated on the surface of the steel substrate, the surface of the aluminum-silicon...
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