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WO/2019/148679A1 |
An aluminum foil with double dark sides, wherein the glossiness of the front side of the aluminum foil is as follows: measuring glossiness GZ 20 <50Gu at an angle of 20 degrees, measuring glossiness GZ 60 <150Gu at an angle of 60 degrees...
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WO/2019/150762A1 |
The purpose of the present invention is to provide an Fe-Cr alloy that has high electrical resistivity, exhibits superior oxidation resistance at high temperatures exceeding 1000 °C, and is suitable for use as a resistance heating eleme...
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WO/2019/142734A1 |
The present invention makes it possible to manufacture a large steel H-beam product efficiently and stably by improving production efficiency for flanges and performing flat shaping rolling on a large blank without giving rise to problem...
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WO/2019/138908A1 |
According to the present invention, for each rolling machine, a rolling torque Gi before biting at a downstream stand is stored, the rotation speed at a furthest downstream stand Rn is controlled so as to satisfy Gn-1=Gn-1* after biting ...
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WO/2019/132457A1 |
The present invention relates to a method for manufacturing hypo-peritectic steel. An embodiment of the present invention provides a method for manufacturing hypo-peritectic steel, the method comprising the steps of: continuously casting...
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WO/2019/132408A1 |
An embodiment of the present invention provides an ultra-thin hot rolled steel sheet having excellent isotropy, and a manufacturing method thereof, the steel sheet comprising, 0.020 to 0.080 wt% of C; 0.05 to 0.50 wt% of Mn; 0.05 wt% or ...
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WO/2019/132316A1 |
A roll pattern formation device and a metal plate manufacturing method are disclosed. The roll pattern formation device according to one embodiment of the present invention can comprise: a laser emission unit for making an oscillating la...
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WO/2019/132293A1 |
A hot dip galvanized steel sheet having an excellent surface appearance, according to one aspect of the present invention, comprises a base steel sheet and a zinc plating layer, wherein the zinc plating layer includes a continuous Al-ric...
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WO/2019/124241A1 |
A cooling device for a thick steel sheet. The cooling device comprises a plurality of cooling headers that are arranged between retaining rolls that have a retaining roll pitch P to retaining roll diameter D ratio P/D of 2.5 or lower. Ea...
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WO/2019/122986A1 |
A section mill (10) for the rolling of steel sections is disclosed. The section mill comprises a universal mill stand (12) and an edger mill stand (14) for rolling a workpiece (18) in a plurality of back-and-forth passes into a steel sec...
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WO/2019/121793A1 |
The invention describes a method for producing a cold-rolled flat steel product having a metal anti-corrosion layer. The method comprises the work steps: melting a steel melt which contains, in addition to iron and unavoidable impurities...
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WO/2019/122949A1 |
Steel section having a thickness of at least 100mm and method of manufacturing the same The invention deals with a H-beam steel section, comprising a web central portion connected on each side to a flange portion having a thickness of at...
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WO/2019/123115A1 |
The invention deals with a steel section, comprising a web central portion connected on each side to a flange portion having a thickness of at least 100mm, such steel section having a composition comprising, in weight percentage: C : 0.0...
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WO/2019/124705A1 |
The present invention relates to a rolling roll, which can improve press moldability and coating image clarity of a plated steel sheet, a rolling roll surface treatment method, and a plated steel sheet manufactured by a rolling roll, the...
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WO/2019/123320A1 |
A section mill (10) for the rolling of steel sectionsis disclosed. The section mill comprises a universal mill stand (12) and an edger mill stand (14) for rolling a workpiece(18)in a plurality of back-and-forth passes into a steel sectio...
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WO/2019/124861A1 |
A steel material according to an embodiment of the present invention comprises: a base portion; and a surface layer portion formed on the surface of the base portion and containing 0.5 wt% or more of nickel (Ni). Therefore, the surface l...
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WO/2019/117756A1 |
This invention relates to metallurgy, more specifically, to rolling, and can be used for the production of rolled coils of low- alloy pipe steel prossessing high corrosion resistence. A method of manufacturing low-alloyed coiled strip of...
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WO/2019/116085A1 |
The present disclosure discloses a method for improving yield strength of one or more workpieces. The method includes positioning the one or more workpieces in a punch and die assembly and operating the punch and die assembly such that, ...
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WO/2019/117519A1 |
The present invention can manufacture a rod for bolts, having an ultrahigh strength, by using a high entropy alloy having a microstructure at a low strain even without severe plastic deformation. The rod for bolts, having an ultrahigh st...
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WO/2019/117456A1 |
The purpose of one aspect of the present invention is to provide a method for manufacturing a high Cu stainless steel by using a twin roll strip casting process in the manufacture of stainless steel containing a large amount of Cu, there...
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WO/2019/109400A1 |
Disclosed are a continuous production system and method for stainless steel cold-rolled sheet. A black-coil pickling unit, a stainless steel white-coil rolling unit and an annealing and pickling unit are successively connected together t...
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WO/2019/109784A1 |
A method for preparing a penetrating-type silver-copper composite ingot, comprising: using a group of irregularly shaped rolls, the irregularly shaped rolls being a pair of working rolls (2, 3) in a roll system of a four-roll solid-phase...
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WO/2019/105264A1 |
Disclosed is a high-strength high-toughness and wear-resistant composite steel plate, comprising a substrate layer and a composite layer of which a single side or double sides are composited on the substrate layer; the substrate layer is...
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WO/2019/107721A1 |
The present invention relates to a method for producing a copper-titanium (Cu-Ti)-based copper alloy material, and a copper alloy material produced thereby, wherein a copper alloy material for vehicles and electronic components requiring...
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WO/2019/101616A1 |
The invention relates to a flat product package (10) comprising a first flat product (1) made of a first material and at least one second flat product (2, 3) made of a second material, wherein the first material differs in respect of at ...
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WO/2019/102439A1 |
Method for manufacturing a rail, comprising: - casting a steel to obtain a semi-product, said steel having a composition comprising 0.20% ≤ C ≤ 0.60%, 1.0% ≤ Si ≤ 2.0%, 0.60% ≤ Mn ≤ 1.60%and 0.5 ≤ Cr ≤ 2.2%, optionally 0....
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WO/2019/102258A1 |
Method for manufacturing a rail, comprising: - casting a steel to obtain a semi-product, said steel having a composition comprising 0.20% ≤ C ≤ 0.60%, 1.0% ≤ Si ≤ 2.0%, 0.60% ≤ Mn ≤ 1.60% and 0.5 ≤ Cr ≤ 2.2%, optionally 0...
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WO/2019/103041A1 |
Provided are: a steel sheet which has excellent scratch resistance; a method for producing this steel sheet; and a secondary cold rolling mill. A steel sheet according to the present invention has an HR30T hardness of 68 or more and a sp...
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WO/2019/017607A9 |
The present invention relates to a system for manufacturing an electrode for a secondary battery, the system comprising: a supply roller for supplying a long sheet-shaped current collector; an electrode active material coating device for...
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WO/2019/098350A1 |
The present invention provides a heat dissipation plate that has a low thermal expansion coefficient and of high thermal conductivity, and that has a clad structure formed of a Cu-Mo composite material and a Cu material. This heat dissip...
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WO/2019/098206A1 |
[Problem] To provide a galvannealed steel sheet manufacturing method capable of further accelerating galvanization and alloying with a steel sheet. [Solution] A method for manufacturing a galvannealed steel sheet by preparing a hot-rolle...
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WO/2019/098168A1 |
A metal plate comprising a surface having a longitudinal direction and a width direction orthogonal to the longitudinal direction. The surface reflectance for reflected light emitted from the surface at an angle of 45° ± 0.2º in at le...
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WO/2019/098566A1 |
The present invention relates to equipment for manufacturing steel plates. According to one preferred embodiment of the present invention, the equipment for manufacturing steel plates can comprise: a rolling device for rolling a material...
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WO/2019/093399A1 |
The present invention provides a plate-shaped steel material in which both high strength and high rigidity are achieved by using rolling processing by a large-diameter work roll to create large, non-uniform deformation. A steel plate acc...
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WO/2019/091483A1 |
Disclosed is a method for preparing an elastic electrical contact composite material. The preparation method comprises: compounding and rolling a stainless steel strip and a Cu strip to prepare a stainless steel (1)/Cu (2) two-layer or s...
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WO/2019/088225A1 |
In the present invention, a plurality of caliber rolls for performing a rough rolling step include: a grooving caliber roll for performing vertical grooving on a width-direction end of a material to be rolled; one or more interrupt calib...
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WO/2019/088771A1 |
A continuous casting and rolling apparatus according to an embodiment of the present invention may include: a continuous casting device; a cutting device that is disposed at the output side of the continuous casting device and cuts an in...
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WO/2019/076717A1 |
The present invention relates to a method for producing a shaped part having at least two layers, comprising at least one layer made of high-strength steel with a tensile strength of at least 500 MPa, corresponding to a hardness of at le...
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WO/2019/072937A1 |
The invention relates to a method for partial hardening of a steel sheet by cold deformation, where the partial hardening of a steel is done by a cold deformation with a multi-step rolling and annealing process and in order to have a ste...
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WO/2019/073613A1 |
[Problem] To provide a hard rolled-copper foil which, when heated and laminated on an insulating resin base material, can exhibit excellent bend-resistance characteristics without increasing a final reduction ratio, which, being not pron...
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WO/2019/068388A1 |
The invention relates to a system for continuously pickling and/or cold rolling metal strips, having a pickling region and a cold rolling region. The pickling region has an unwinding device, a welding device, a pickling device, and a win...
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WO/2019/065360A1 |
The purpose of the present invention is to provide steel plate manufacturing equipment and a steel plate manufacturing method with which a flat and homogenous steel plate can be manufactured by uniformly cooling a high-temperature steel ...
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WO/2019/062288A1 |
A steel bar flattening production line, comprising a paying-off device (100), a first flattening machine (200), a first adjustment mechanism (300), a second flattening machine (400), a second adjustment mechanism (500), a cleaning assemb...
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WO/2019/057114A1 |
A softening method for a high-strength Q&P steel hot roll. The method comprises: heating a Q&P steel casting blank and then subjecting the blank to rough rolling, finish rolling, laminar cooling and coiling to obtain a hot roll; on-line ...
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WO/2019/057435A1 |
A flat rolled metal product (1) is first hot-rolled in at least one rolling stand (2), then fed to a cooling zone (5) arranged downstream of the rolling stand (2) and finally cooled in the cooling zone (5). During the rolling in the roll...
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WO/2019/054570A1 |
A method for continuously hot rolling a nonjoining-material high grade steel is disclosed. A method for continuously hot rolling a nonjoining-material, according to one embodiment of the present invention, comprises the steps of: melting...
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WO/2019/042313A1 |
A metal sheet having a low friction coefficient and a low waviness. Multiple round or roughly-round small pits are distributed on the surface of the metal sheet. The diameter of a single pit ranges from 30 μm to 150 μm, and the overlap...
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WO/2019/031027A1 |
A cladding material (30) is provided with: a first layer (31) which is formed of stainless steel; a second layer (32) which is formed of Cu or a Cu alloy and is roll-bonded to the first layer; and a third layer (33) which is formed of st...
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WO/2019/026917A1 |
This lead frame is provided with: a die pad; a plurality of long lead parts and a plurality of short lead parts, which are arranged around the die pad; and a connection bar to which the plurality of long lead parts and the plurality of s...
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WO/2019/027188A1 |
The present invention relates to a magnesium alloy sheet and a manufacturing method therefor. The magnesium alloy sheet can comprise, on the basis of a total 100 wt%: zinc (Zn) in an amount greater than 0 and less than or equal to 2.0 wt...
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