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WO/2023/020932A1 |
The invention relates to a flat steel product for hot working, a worked steel sheet part, a process for manufacturing the flat steel product and a process for manufacturing the worked steel sheet product, the flat steel product and the s...
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WO/2023/015634A1 |
A multifunctional device providing support and protection during crawling, sitting, lying and jumping activities. The multifunctional device comprises a frame (100), a plurality of elastic rods (200), a cushion (300), and a protective ne...
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WO/2023/017844A1 |
This joined part includes: a first steel member; a second steel member; and a joined portion that is formed at a portion where the first steel member adjoins the second steel member and that includes a welding metal and a thermally affec...
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WO/2023/018028A2 |
Disclosed in the present specification are steel and a steel wire, which are for a spring, and manufacturing methods therefor, the steel and the steel wire having excellent resistance to permanent deformation by having increased in-mater...
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WO/2023/010655A1 |
Disclosed in the present invention are a wear-resistant and corrosion-resistant steel plate for a sediment transport pipeline and a preparation method therefor, which belong to the technical field of alloy steel. The steel plate comprise...
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WO/2023/011330A1 |
The present application provides hot work die steel and a preparation method therefor, and a piston forging forming die and a preparation method therefor. The hot work die steel provided by the present application comprises the following...
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WO/2023/004852A1 |
A 6060A-T5 material for a blade battery profile and a processing process therefor, the formulation comprising: silicon, iron, copper, manganese, chromium, zinc, titanium, magnesium, zirconium, and the balance of aluminium, the mass perce...
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WO/2023/007932A1 |
Provided is a quenching device which is excellent in metal sheet cooling effect, allows easy switching between a condition for carrying out quenching and a condition for not carrying out quenching, and is capable of suppressing thermal d...
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WO/2023/008545A1 |
The present invention addresses the problem of providing a heat-treatment oil composition that, even when using a sulfur compound which has poor effects for achieving good brightness in a metal material after a heat-treatment such as que...
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WO/2023/000525A1 |
A hot-rolled stainless steel annealing pickling process and pickling device. In the pickling process, by controlling the temperature of strip steel at an outlet of an annealing furnace, the high-temperature strip steel is in direct conta...
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WO/2023/000520A1 |
The present invention relates to a low-consumption high-efficiency silicon steel normalizing acid pickling process and an acid pickling apparatus. Residual heat at an outlet of a normalizing furnace is effectively used as a medium for he...
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WO/2023/002741A1 |
Provided are a metal sheet-quenching apparatus, a continuous annealing facility, a metal sheet-quenching method, a cold-rolled steel sheet production method, and a plated steel sheet production method that prevent shape defects generated...
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WO/2023/002720A1 |
[Problem] To provide a heating coil for high-frequency heater, the heating coil having good cooling efficiency, being able to be used continuously over long periods without being damaged even under high output conditions, and achieving m...
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WO/2023/001835A1 |
The invention relates to a high strength cold rolled steel strip or sheet having a steel composition comprising (in wt. %) 0.15 – 0.25 C, 0.3 – 0.5 Si, 2.0 – 3.0 Mn, 0.5-1.0 Al, 0.005 – 0.5 Cr, a thermal stability θ > 0, where Î...
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WO/2023/001382A1 |
The invention relates to a component of a rolling bearing, in particular a rolling track element with a rolling track, on which rolling elements of a rolling bearing are provided for rolling, and/or a rolling element of a rolling bearing...
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WO/2023/288000A1 |
A system and apparatus for conducting a modified Jominy end-quench test of a metal composition having an Austenitizing temperature and a critical cooling rate may comprise a bar, comprising the metal composition, said bar having a hemisp...
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WO/2023/284187A1 |
Provided in the present invention is a method for laser strengthening and toughening treatment of a steel rail welding joint, relating to the field of railway steel rail maintenance. The method is: using an area with a lower hardness tha...
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WO/2023/283985A1 |
A lamination prevention device for a laser shock strengthened thin-walled structure, the device comprising a base, a mechanical arm and a rotary table, wherein a fixing frame is fixedly connected to the right side of an upper end of the ...
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WO/2023/285867A1 |
The invention deals with a process for manufacturing a steel part, comprising the following successive steps: providing a steel sheet having a composition comprising by weight percent: C: 0.05 – 0.25 %, Mn: 3.5 – 8 %, Si 0.1 - 2%, Al...
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WO/2023/286440A1 |
Provided is a continuous annealing apparatus capable of manufacturing a steel sheet having excellent hydrogen embrittlement resistance characteristics. This continuous annealing apparatus (100) has: a pay-off reel (10) for feeding a cold...
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WO/2023/284393A1 |
The present invention relates to an automobile wheel steel which has high strength and toughness, and which is characterized in that the components thereof comprise, according to mass percentage: 0.1% to 0.25% C, 1.5% to 2.5% Mn, 0.8% to...
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WO/2023/285747A1 |
The invention relates to a cooling chamber (2) for cooling a metal strip (1) running vertically in a continuous treatment line, said chamber comprising an upper cooling zone (3) in which a cooling liquid is sprayed onto the strip, and an...
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WO/2023/286771A1 |
Provided is a vehicle wheel bearing device that makes it possible to stabilize the orientation of a vehicle when turning by suppressing deformation of the raceway surface of an outer member. The vehicle wheel bearing device comprises: an...
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WO/2023/284905A1 |
A multi-zone heating process for sheet-steel blanks (2) comprising the following steps: 1.1. A sheet-steel blank (2) is heated to a temperature above the Ac3 temperature of the steel material of the sheet-steel blank (2) for austenitizin...
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WO/2023/279602A1 |
Provided in the present invention is a heat treatment method for boron steel, comprising the following steps: performing surface carburizing on the boron steel to obtain carburized boron steel; austenitizing the carburized boron steel to...
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WO/2023/281022A1 |
The disclosure relates to a process for the manufacture of a steel component comprising a fine-grained martensite structure component. The process comprises the steps of providing a steel component having an initial steel composition; in...
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WO/2023/281118A1 |
The present invention relates to a method and to an apparatus for treating steel parts (10) which are already galvanised and which have a zinc layer, in particular for reprocessing used galvanised steel parts (10). The method comprises t...
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WO/2023/279658A1 |
A copper wire drawing annealing solution and a use method thereof. The total weight of the copper wire drawing annealing solution is 100 parts. The copper wire drawing annealing solution comprises the following components in parts by wei...
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WO/2023/276805A1 |
The present invention provides a heat-insulating block structure for skid posts, by which rotation of constructed heat-insulating blocks can be suppressed, and a construction method thereof. This heat-insulating block structure for a ski...
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WO/2023/277754A1 |
The present invention relates to a super bainite steel comprising the following elements in weight-% (wt-%) C 0.60 to 0.90; Si 1.60 to 3.00; 5 Al 0.10 to 0.80; Mn ≤ 0.90; P ≤ 0.03; S ≤ 0.03; Cr 0.40 to 1.50; 0 Ni 0.05 to 1.50; Mo 0...
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WO/2023/276913A1 |
A coil spring according to one embodiment of the present invention is formed of an element wire that is helically wound, and has end turn sections and an effective section. The surface of the element wire in each end turn section has a r...
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WO/2023/274281A1 |
Disclosed in the present invention are TRIP steel and a preparation method therefor, a cold-rolled steel sheet, and a hot-dip galvanized steel sheet, wherein the TRIP steel comprises the following chemical components, in percentages by m...
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WO/2023/276804A1 |
The present invention provides an insulation block for a skid pipe that is not easily damaged when installed around a skid pipe, and a method for constructing the insulation block. An insulation block (3) for a skid pipe according to the...
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WO/2023/272609A1 |
The invention discloses a high-precision seamless pipe having a special-shaped hexagonal cross-section with a circle inside for use in nuclear power, which is made of stainless steel or a corrosion-resistant alloy having an elongation ra...
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WO/2022/267614A1 |
Disclosed is a steel quenching method, characterized in that: in a first stage, a fluid cooling medium is in direct contact, in a fluid blowing mode, with the surface of a steel workpiece which is heated to be AC3 or above, so that the t...
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WO/2022/267173A1 |
High-strength, low-temperature-resistant H-shaped steel for marine engineering tempering treatment and a preparation method therefor. The chemical components of the H-shaped steel comprise according to percentage by weight: C: 0.09-0.15,...
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WO/2022/269021A1 |
The invention relates to a method for producing a flat steel product (10) having a flat steel base (12) and a zinc- or aluminium-based metal coating (14) on at least one surface (16) of the flat steel base (12), said flat steel base (12)...
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WO/2022/271360A1 |
An example bushing (122) of a hydraulic hammer tool (116) includes a bulk region (304) and an inner region (602). The inner region (602) has a relatively greater hardness than the bulk region (304). The inner region (602) may also be com...
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WO/2022/268034A1 |
The present disclosure relates to the technical field of magnesium alloys, and in particular to a high-strength cast magnesium alloy, and a preparation method therefor and an application thereof. The high-strength cast magnesium alloy ma...
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WO/2022/263887A1 |
Method for producing a steel part comprising by weight: 0.05% ≤ C ≤ 0.15%, 0.01% ≤ Si ≤ 1%, 1.2% ≤ Mn ≤ 2%, 0.1% ≤ Cr ≤ 2%, 0.001 ≤ Al ≤ 0.1%, 0.003% ≤ N ≤ 0.01%, 0 ≤ S ≤ 0.015%, 0 ≤ P ≤ 0.015%,0% ≤ Ni â...
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WO/2022/262144A1 |
The present invention provides a preparation method for an annealing separating agent, an annealing separating agent, and a directional electromagnetic steel plate. The annealing separating agent obtained with the method is high in purit...
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WO/2022/264951A1 |
The present invention addresses the problem of providing a heat-treatment oil composition which contains one or more sulfur compounds and which has excellent storage stability and enables metallic materials having undergone heat treatmen...
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WO/2022/265639A1 |
A steel alloy with unique and superior combinations of properties such as elevated temperature strength, oxidation resistance, thermal conductivity and wear resistance. Disclosed embodiments comprise or substantially consist of: C in an ...
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WO/2022/258376A1 |
The invention relates to a method for producing a microalloyed steel, to a microalloyed steel, and to a combined casting/rolling installation. The combined casting/rolling installation (10) has a strand casting machine (15) with a mold (...
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WO/2022/258457A1 |
The invention concerns a method to make an aluminium alloy sheet product wherein successively, a slab is cast of an aluminium alloy comprising, by weight % Mn: 0.9 –1.2, Fe: 0.5 – 0.8, Si: 0.05 – 0.25, Cu: 0.06 – 0.20, Ti: ≤ 0....
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WO/2022/257902A1 |
Provided are a manufacturing method for a hot-dip galvanized steel plate, and the hot-dip galvanized steel plate. The method comprises: hot rolling a slab into a steel plate, and pickling and cold rolling after coiling; performing contin...
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WO/2022/259584A1 |
This quenching device comprises: a rotating base 36 that, upon soaking a workpiece holding member H that holds a heated workpiece W in a cooling liquid X accommodated in a cooling liquid tank provided below a quenching chamber 11 using a...
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WO/2022/218831A9 |
The invention relates to a method for the heat treatment of metal workpieces, in particular transmission components, in which carburized metal workpieces are introduced into a means for heating workpieces and are heated therein, wherein ...
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WO/2022/218832A9 |
The invention relates to a control device and a method for controlling a process for the thermal treatment of metal workpieces by means of a hardening furnace, which comprises a heating portion for heating workpieces and a discharging po...
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WO/2022/218829A9 |
The invention relates to a method for the heat treatment of metal workpieces (WB), in particular transmission components, wherein preferably carburized metal workpieces (WB) are introduced into a means (TK) for heating workpieces and are...
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