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WO/2022/218830A9 |
The invention relates to a device for the heat treatment of metal workpieces, in particular transmission components. The device according to the invention comprises at least one means (TK) for heating workpieces (WP). The device also com...
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WO/2022/253912A1 |
The invention relates to a hot-formed steel part having a composition consisting of 0.22%≤C≤0.35%, 0.50%≤Mn≤1.70%; 0.50%≤Cr≤1.70%; traces≤Mo≤0.15%; traces≤Si≤0.40%; traces≤Ni≤0.50%; traces≤Cu≤0.50%; traces≤V...
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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/2022/253489A1 |
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/2022/247364A1 |
Disclosed in the present invention is a method for preparing a nano microporous structure aluminum electrode foil for automotive electronics, the method comprising two parts of corrosion and formation. The corrosion process comprises the...
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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/2022/247815A1 |
Disclosed in the present invention are a hot-formed steel having a blue or light blue aluminum alloy plating layer, a hot forming process, and a hot-formed part. A thermal treatment method comprises the following steps: performing optica...
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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/2022/243397A1 |
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/2022/242514A1 |
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/2022/242793A1 |
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/2022/239758A1 |
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/2022/239945A1 |
A method for manufacturing a copper composite structure is disclosed. The method for manufacturing a copper composite structure comprises a first step of manufacturing a copper rod structure, and a second step of annealing the copper rod...
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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/2022/236971A1 |
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/2022/234701A1 |
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/2022/234320A1 |
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/2022/234220A1 |
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/2022/230771A1 |
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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WO/2022/230937A1 |
This reprocessed component (100) is provided with a carburized layer (10) on the surface thereof, and has, in the carburized layer (10), three layers including a first cured layer (1), a second cured layer (2), and a third cured layer (3...
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WO/2022/229540A1 |
The invention relates to a system (10) for work-hardening a surface of a metal part comprising: a support for the metal part; an articulated robotic arm (14) carrying a device (16) for work-hardening the metal part; a device (20) for mea...
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WO/2022/230979A1 |
Provided is a rolling bearing that exhibits an improved resistance to hydrogen embrittlement. The rolling bearing is provided with a bearing component. The bearing component is made of steel and has a surface layer region, which is the r...
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WO/2022/232340A1 |
A method for low-temperature interstitial case formation on a self-passivating metal workpiece includes exposing the workpiece in a heated gaseous environment comprising oxygen to pyrolysis products of a nonpolymeric reagent comprising n...
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WO/2022/230317A1 |
Provided are: a soft magnetic iron alloy plate exhibiting a higher saturation magnetic flux density than an electromagnetic pure iron plate without excessively increasing the iron loss; a method for manufacturing said soft magnetic iron ...
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WO/2022/231509A1 |
Embodiments relate to systems and methods for producing magnetic material. The method includes providing a mixture of alloys. The composition of alloy are not particularly limited. The method includes melting the mixture of alloys to arr...
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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/2022/224849A1 |
In the present invention, through use of a steel material for carbonitriding containing C, Si, Mn, P, S, Cu, Ni, Cr, Mo, Al, and N, the remainder comprising Fe and unavoidable impurities, and whereby, by carbonitriding of the steel mater...
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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/2022/218469A1 |
The invention relates to a method for producing a harmonic drive component (1) which is made of a precipitation-hardening steel. The method has the steps of: - providing a blank which has the composition of 0.01 to 0.35 wt.% of carbon, m...
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WO/2022/220238A1 |
The present invention provides a heat-treated steel material which has both excellent tensile strength and excellent toughness. A heat-treated steel material which contains, in mass%, 0.38 to 1.05% of C, 0.0 to 1.0% of Mn, 0.0 to 0.50% o...
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WO/2022/220281A1 |
Provided is a drawn wire material obtained by drawing a heat-treated steel material comprising: 0.38-1.05 mass% of C; 0.0-1.0 mass% of Mn; 0.0-0.50 mass% of Cr; and 0.0-1.5 mass% of Si, with the balance being Fe and unavoidable impuritie...
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WO/2022/218455A1 |
The invention relates to a component (2) which is produced from a blank (1) using forming technology, the blank (1) having a carbon content greater than 0.2 wt.%. The component (2) is produced from the blank (1) using the following steps...
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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/2022/215425A1 |
This method for manufacturing a press-molded article includes: overlapping steel plates (10, 20), at least one of which has a plated layer on the surface thereof, such that the plated layer is arranged between the steel plates (10, 20); ...
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WO/2022/215228A1 |
This steel sheet for hot stamping has, on a surface thereof: a portion that has a surface treatment coating film demonstrating an emissivity of 60% or more at a wavelength of 8.0 µm at 25°C; and a portion that does not have the surface...
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WO/2022/215304A1 |
In a method for controlling the temperature of cooling water for a steel plate according to the present invention, the thickness of a water film remaining on a steel plate on the exit side of a drainer roll is calculated, a line speed is...
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WO/2022/215448A1 |
Provided is a hot-stamp-molded object having excellent delayed fracture resistance. The hot-stamp-molded object 1 comprises a steel substrate 10 and an Al coating 20 formed on the steel substrate 10. The Al coating 20 is formed at the in...
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WO/2022/215229A1 |
This steel sheet for hot stamping has, on the entirety of at least one surface of the steel sheet, a surface treatment coating film demonstrating an emissivity of 60% or more at a wavelength of 8.0 µm at 25°C. The surface treatment coa...
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WO/2022/215635A1 |
This steel sheet for hot stamping is characteristically provided with the following in the indicated sequence: a base steel sheet; an Al-Si alloy plating layer that has an Al content of at least 75 mass% and an Si content of at least 3 m...
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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/2022/215636A1 |
This steel sheet (10) for hot stamping sequentially comprises, in the following order: a base steel sheet (1); an Al-Si alloy plating layer (2) that has an Al content of 75% by mass or more and an Si content of 3 to 20% by mass, with the...
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