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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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WO/2022/215526A1 |
The present invention is provided with: a furnace atmosphere gas concentration detection device for detecting a hydrogen concentration or an ammonia concentration in a treatment furnace; a furnace nitriding potential calculation device f...
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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/2022/207711A1 |
The present invention relates to a tool comprising a cemented carbide part and a steel part joined by brazing where the steel part has an average hardness of between 390 and 510 HV30. The braze joint comprises Ti and a TiC layer with a t...
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WO/2022/210795A1 |
Provided is a heat treatment oil having excellent thermal stability and with which it is possible to maintain luster for a long period. The heat treatment oil contains a base oil including a mineral oil (A). The mineral oil (A) has a kin...
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WO/2022/210125A1 |
Provided is a steel wire for a mechanical structural component, said steel wire containing 0.05 mass%-0.60 mass% of C, 0.005 mass%-0.50 mass% of Si, 0.30 mass%-1.20 mass% of Mn, more than 0 mass% but no more than 0.050 mass% of P, more t...
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WO/2022/207915A1 |
The present invention relates to a tube for transporting fluids in seawater. The tube has a tubular body formed of an alloy selected from duplex stainless steel, superduplex stainless steel, a ferritic steel, a martensitic steel or a nic...
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WO/2022/206911A1 |
Provided are a low-carbon low-alloy Q&P steel or hot-dip galvanized Q&P steel with a tensile strength greater than or equal to 1180 MPa, and a manufacturing method therefor. The steel comprises the chemical components by mass percent: C:...
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WO/2022/205926A1 |
Provided are an elastic rod and a production method therefor and a mattress with the elastic rod. The elastic rod is made of spring steel, stainless steel, aviation aluminum or an aluminum alloy and is provided with a relatively hard cor...
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WO/2022/210126A1 |
A steel wire for a machine structural component which contains predetermined contents of C, Si, Mn, P, S, Al, Cr, and N, respectively, and the balance iron and inevitable impurities, wherein when the total content (mass%) of Cr and Mn in...
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WO/2022/210878A1 |
A nitriding treatment method for a steel member, said method provided with at least three stages of nitriding treatment steps, the first nitriding treatment step through third nitriding treatment step being applied at a temperature of 50...
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WO/2022/210868A1 |
In heating step S101, a steel plate is heated and brought into an austenite state. In heating step S101, the entire area of the steel plate is uniformly heated to bring the entire area of the steel plate into the austenite state. In cool...
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WO/2022/207913A1 |
The invention relates to a steel strip made of a high-strength multiphase steel which has a tensile strength of at least 780 MPa in the longitudinal direction, the multiphase steel consisting of the following elements in % by weight: C â...
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WO/2022/210124A1 |
Provided is a steel wire for a machine structural component, the steel wire containing 0.05 mass% to 0.60 mass% C, 0.005 mass% to 0.50 mass% Si, 0.30 mass% to 1.20 mass% Mn, more than 0 mass% to at most 0.050 mass% P, more than 0 mass% t...
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WO/2022/199079A1 |
Disclosed are a 2000 MPa-grade ultrahigh-strength steel with a high uniform elongation, and a preparation method therefor, solving the bottleneck of the uniform elongation of an existing 2000 MPa-grade steel being difficult to reach up t...
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WO/2022/199075A1 |
The present invention relates to a thin specification NM450 steel plate, chemical components of said steel plate, in percentage by weight, being: C: 0.15-0.30, Si: 0.25-0.45, Mn: 0.80-1.20, Cr: 0.20-0.60, Mo: 0.10-0.50, Ni: 0.10-0.50, Al...
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WO/2022/201828A1 |
The main purpose of the present invention is to provide a carburizing gas supply system with which it is possible to reduce the carbon dioxide emission amount, to reduce the usage amount of new carburizing gas, and to supply an optimum g...
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WO/2022/202760A1 |
The present invention addresses the problem of providing: a novel magnetic material for high frequency use, the magnetic material solving problems such as eddy current loss since the magnetic material has higher electrical resistivity th...
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WO/2022/202922A1 |
In the present invention, a track wheel (10) has a surface (10c) coming into contact with a roller (20) that has a diameter of 1.5 mm to 4.0 mm and in which the value obtained by dividing the length by the diameter is 4 to 10. The track ...
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WO/2022/199113A1 |
Disclosed in the present invention is a non-quenched and tempered steel weather-resistant high-strength bolt, comprising the following chemical components in percentage by mass: 0.17-0.23% of C; Si≤0.30; 1.25-1.60 of Mn; P≤0.02; S≤...
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WO/2022/194770A1 |
The invention relates to a cooling line (1) for a profile cooling apparatus (31), comprising a cooling fluid supply line (2), in particular a water supply line, and a dispensing unit (3), wherein the dispensing unit (3) is fluidically co...
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WO/2022/195024A1 |
This invention relates to a steel strip, sheet or blank for producing hot-formed parts or a heat-treated pre-formed part, and to a method for hot-forming a steel blank or heat-treating a pre-formed part into an article and the use thereo...
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WO/2022/193587A1 |
Disclosed are a high-strength and high-toughness ultralow temperature impact resistant tubing head forge piece blank and a manufacturing method therefor. The high-strength and high-toughness ultralow-temperature impact-resistant tubing h...
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WO/2022/193206A1 |
A flexible clamping device, comprising a driving assembly (1), a first driving arm (2) and a second driving arm (3), and a plurality of floating clamp bodies (4). A first end of the first driving arm (2) and a first end of the second dri...
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WO/2022/196733A1 |
In this steel member, a steel sheet base material, which comprises, by mass%, 0.10 to 0.65% of C, 0.10 to 2.00% of Si, 0.30 to 3.00% of Mn, 0.050% or less of P, 0.0100% or less of S, 0.010% or less of N, 0.010% or less of O, 0 to 0.100% ...
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