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WO/2024/016484A1 |
The present invention belongs to the field of high-strength alloy fastener manufacturing. Provided are an ultrahigh-strength alloy steel, a grade 16.8 threaded fastener and a manufacturing method therefor. The ultrahigh-strength alloy st...
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WO/2024/014745A1 |
The present invention relates to a heat treatment method by which deformation such as curl can be reduced and a low thermal expansion coefficient obtained through thermomechanical heat treatment of an Fe-Ni alloy foil. The heat treatment...
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WO/2024/011713A1 |
An ultrafine grain steel plate and a preparation method therefor. The ultrafine grain steel plate comprises the following chemical components, in percentages by mass: 0.04-0.10% of C, 1.20-1.60% of Mn, 0.30-0.60% of Ni, 0.01-0.05% of Nb,...
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WO/2024/011930A1 |
Disclosed in the present invention is an intelligent electromagnetic induction back burning device for shipbuilding. The intelligent electromagnetic induction back burning device comprises a vehicle body, and an electromagnetic induction...
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WO/2024/012615A1 |
The invention relates to a thin section bearing (1, 1'), in particular for a computer tomograph, comprising at least one inner ring (2, 2a, 2b), at least one outer ring (3, 3a, 3b) and a plurality of spherical rolling elements (4), where...
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WO/2024/013542A1 |
A hot rolled steel having a composition comprising the following elements, 5%≤Nickel≤16 %, 0.5%≤Aluminum≤3%, 0.1%≤Titanium≤1%, 4%≤Chromium≤15%, 0.0001% ≤ Carbon ≤ 0.03%, 0.002 % ≤ Phosphorus ≤ 0.02 %,0 % ≤ Sulfu...
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WO/2024/015587A2 |
A medical device that includes special heat treated components and a method for heat treating the metal alloy for the medical device.
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WO/2024/008920A1 |
A steel composition for expandable tubular articles comprises, in mass %, C: 0.03 - 0.12; Mn: 0.7 - 1.2; Si: 0.1 - 0.5; Cr: 0.1 - 1.0; Mo: 0.1 - 1.0; Ni: > 0 and ≤ 1.0; V: 0 - 0.20; Nb: 0 - 0.10; iron (Fe) and inevitable impurities wit...
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WO/2024/008331A1 |
The invention relates to a method for generating a hardness profile on a steel workpiece which has a base hardness (c) and, starting from the surface of the workpiece, is hardened as far as a first depth (d15) to a first hardness value (...
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WO/2024/008480A1 |
A method for improving temperature longitudinal homogeneity of a steel strip (100), in particular a low carbon alloyed steel strip (100) dedicated to liquid metal coating, continuously running at a line speed in a temperature homogenizat...
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WO/2024/008761A1 |
The present disclosure relates to methods for manufacturing a unitary a bumper beam assembly of a vehicle. The method comprises providing a plurality of blanks, joining the blanks to each other to form a combined blank, and deforming the...
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WO/2024/002260A1 |
Disclosed in the present invention is an oriented silicon steel, comprising, in addition to 90% or more of Fe and inevitable impurities, the following chemical elements in percentages by mass: C: 0.020-0.080%, Si: 2.00-4.50%, Mn: 0.01-0....
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WO/2024/003234A1 |
A composite material comprising: at least one reinforcing zone comprising tungsten carbide (WC) and titanium carbide (W, Ti)C and a manganese steel matrix; a manganese steel zone that surrounds each of the reinforcing zones; and an inter...
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WO/2024/002728A1 |
An austenitic stainless steel having the following composition, in percent by weight (wt.-%): C equal to or less than 0.06, Si 0.1 – 1, Mn 3 – 5, Cr 20.5 – 23.5, Ni 11 – 15, Mo 1 – 4, Nb 0.50-0.70, N 0.40-0.60, P equal to or le...
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WO/2024/004142A1 |
This mobile quenching device performs mobile quenching on a shaft body in which a large-diameter part having a relatively large outside diameter and a small-diameter part having a relatively small outside diameter adjoin each other acros...
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WO/2024/001990A1 |
High-plasticity 1500-MPa-grade ultrahigh-strength steel and a manufacturing method therefor. The steel comprises the following components in percentages by weight: 0.35-0.40% of C, 1.0-1.8% of Si, 1.5-2.0% of Mn, 0.3-0.6% of Cr, 0.02-0.0...
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WO/2024/002155A1 |
Disclosed in the present invention is a manufacturing method for a strip steel having variable strength and hardness in a width direction, comprising steps of: steelmaking, refining, continuous casting, rolling, and continuous annealing....
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WO/2024/002314A1 |
Provided in the present invention is a 120-kg-grade ultrahigh-strength galvanized steel sheet with a good resistance spot welding performance. The galvanized steel sheet comprises: 0.18-0.24% of C, 2.3-3.0% of Mn, 0.5-1.7% of Si, 0.02-1....
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WO/2024/002209A1 |
The present invention provides an oriented silicon steel, comprising a silicon steel substrate and an insulating coating formed on the surface of the silicon steel substrate. The insulating coating does not contain magnesium silicate and...
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WO/2024/002507A1 |
The invention relates to a method for conditioning the surfaces of heat-treated, galvanised or alloy-galvanised sheet steel components, wherein either at least regions of a sheet steel are heated for the purpose of austenitisation and su...
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WO/2024/004027A1 |
This traverse hardening device performs traverse hardening on a shaft-like body in which a large-diameter portion having a relatively large outer diameter and a small-diameter portion having a relatively small outer diameter are contiguo...
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WO/2024/003593A1 |
A steel part for the transmission system of an automobile comprising of the following elements, 0.2%≦C≦0.35%; 1.0%≦Mn≦1.6%; 0.2%≦Si≦0.7%; 0.001%≦Al≦0.1%; 0.01%≦Mo≦0.5%; 0.020%≦Nb≦0.06%; 1%≦Cr≦1.5%; 0≦P≦ 0....
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WO/2023/247393A1 |
The invention relates to a method for producing a press-hardened door ring (210) and at least one additional press-hardened component (220) for a motor vehicle, comprising: - providing a shaped blank, comprising a first region having a d...
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WO/2023/246798A1 |
Disclosed in the present invention is a 1,300-MPa-grade or more cold-rolled steel plate having high extension and high hole-expansion performance and a manufacturing method therefor. The cold-rolled steel plate contains Fe and inevitable...
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WO/2023/246359A1 |
Disclosed in the present invention is a medium- and low-carbon pearlite steel rail welding method. The method comprises the following steps: welding multiple steel rails made of a medium- and low-carbon pearlite steel rail base material;...
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WO/2023/247507A1 |
The invention relates to a shaped sheet-metal part with a steel substrate and an aluminium-based anticorrosive coating arranged on at least one side of the steel substrate. The anticorrosive coating here comprises an Al base layer and an...
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WO/2023/246737A1 |
Disclosed in the present invention are a 1300-MPa-grade-or-higher cold-rolled steel sheet and a manufacturing method therefor. The cold-rolled steel sheet comprises Fe and inevitable impurity elements, and further comprises the following...
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WO/2023/246082A1 |
The present invention relates to hot work die steel and a heat treatment method therefor, and a hot work die. The hot work die steel comprises the following chemical components in percentages by weight: 4.5-12% of Ni, 0.8-2.1% of Al, 0.4...
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WO/2023/246465A1 |
Disclosed in the present invention are a martensitic heat-resistant steel for use at 630ºC or more and a preparation method therefor, which belong to the technical field of metal materials. The heat-resistant steel comprises, in percent...
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WO/2023/248549A1 |
The quenching method is for workpieces that include lace and are provided with a workpiece through-hole. The quenching method has a step that prepares a press quenching device capable of switching between a restraint state in which the w...
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WO/2023/245886A1 |
The present invention relates to a normalizing heat treatment production process, comprising the steps of: feeding a slab of a steel plate into a heating furnace for heating, wherein the final temperature before the slab is discharged ou...
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WO/2023/247214A1 |
The invention relates to a boron-alloyed steel, in particular heat-treated steel, which has the following composition: 0.1-0.6 wt.% carbon; 0.05-1.5 wt.% silicon; 0.3-1.8 wt.% manganese; 0.001-0.005 wt.% boron; 0.01-0.06 wt.% titanium; o...
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WO/2023/246950A1 |
A spring steel and a spheroidizing annealing method therefor. The method comprise the following steps of: loading a hot-rolled state spring steel into a heat treatment furnace, and rapidly heating same to a two-phase region temperature; ...
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WO/2023/240850A1 |
The present invention relates to a 960 MPa grade ultrahigh-strength steel plate with marine fouling resistance, which steel plate is characterized by comprising the following chemical components in percentages by weight: 0.03-0.12% of C,...
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WO/2023/241574A1 |
Disclosed is a method for manufacturing a low-magnetostriction oriented silicon steel plate, comprising the steps of: (a) smelting and casting; (b) heating; (c) normalizing; (d) cold rolling; (e) decarburization annealing; (f) finished p...
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WO/2023/243710A1 |
Provided are: a Fe-Ni-based alloy thin plate which can keep the thermal shrinkage amount thereof at the same level as those of the conventional materials and can be reduced in an amount of width warpage; and a method for producing the Fe...
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WO/2023/241677A1 |
A hydrogen induced cracking-resistant cold-rolled hot-dip galvanized ultra-high-strength dual-phase steel, comprising a substrate and a galvanized layer plated on the substrate, wherein the substrate contains Fe and inevitable impurity e...
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WO/2023/243730A1 |
Provided is a high-strength steel member that has reduced delayed fracture sensitivity at 1100 MPa or greater.　During the manufacture, using a high-strength steel member in which chromium–molybdenum steel that includes 0.30–0.50% o...
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WO/2023/241700A1 |
Disclosed in the present invention is a high-strength and high-toughness easy-cutting seamless steel tube for a motor shaft, which contains Fe and inevitable impurity elements, and further contains the following chemical elements in perc...
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WO/2023/236606A1 |
Disclosed is an electromagnetically inductive back-heating robot, comprising a frame structure, lifting hooks, wheels, driving motors, upper electromagnetic bars, lower electromagnetic bars, and a coil assembly. Four wheels are provided,...
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WO/2023/232159A1 |
The present invention provides a method for the heat treatment of an austenitic stainless steel bar by means of induction heating. The method comprises: placing a hot-rolled austenitic stainless steel bar on a conveying roller, and then ...
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WO/2023/235668A1 |
Disclosed herein is a method for treating an article made of self-passivating metal including applying reagent to a surface portion of the article and applying laser light to the surface portion of the article to chemically activate the ...
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WO/2023/233186A1 |
A High Manganese hot rolled steel having a composition comprising of the following elements 0.8 % ≤ Carbon ≤ 1.3 %, 9.5 % ≤ Manganese ≤ 22%,0.01% ≤ Silicon ≤ 3%, 0.01% ≤ Aluminum ≤ 3%, 0.03 % ≤ Phosphorus ≤ 0.1%, 0.03...
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WO/2023/234337A1 |
This hot-stamp formed article has a prescribed chemical composition, and at a location 1/4 of the sheet thickness from the surface thereof and in a prior-austenite texture, the maximum pole density of an orientation group, expressed by E...
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WO/2023/235169A1 |
A method of treating a valve body is disclosed herein. The method includes using a medium carbon steel, and treating the valve body to a carburizing heating step, an intermediate annealing step, a hardening step, and a tempering step. Th...
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WO/2023/233779A1 |
The purpose of the present invention is to provide a hot-pressed member in which the amount of hydrogen penetrated during a hot pressing process is reduced, from which the penetrated hydrogen can be released within a short time, and whic...
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WO/2023/227454A1 |
The invention relates to a method for producing a shaped sheet metal part comprising one first and one second zone having different material properties, such as a shaped sheet metal part.
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WO/2023/228139A1 |
An annealing apparatus for a metal strip (9) advancing along a longitudinal direction into a coating system for coating said metal strip with a layer of molten metal, said apparatus comprising, in sequence: - at least one longitudinal-fl...
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WO/2023/224122A1 |
[Problem] The present invention addresses the problem of ameliorating both low heating rate of a layered part and heating rate difference between the layered part and a single sheet part in cases where an Al plated steel sheet is used as...
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WO/2023/223078A1 |
A martensitic steel sheet comprising of the following elements 0.08 % ≦ C ≦ 0.14 %; 1.95 % ≦ Mn ≦ 2.6 %; 0.1% ≦ Si ≦ 0.8 %;.01% ≦ Al ≦ 0.1 %; 0.001% ≦ Ti ≦ 0.1%; 0.0001% ≦ B ≦ 0.05%; 0% ≦ S ≦ 0.09%; 0% ≦ P â...
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