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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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WO/2019/026292A1 |
In an endless rolling line, the speed of a rolled material is changed accompanying a flying sheet thickness change. This temperature control device predicts and calculates a speed change amount of the rolled material accompanying a flyin...
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WO/2019/022558A1 |
The present invention relates to a method for manufacturing a frame structure for a portable terminal and, more specifically, to a method for manufacturing a frame structure for a portable terminal allowing processing time to be shortene...
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WO/2019/018742A1 |
A flatness control system includes a work stand of a finishing line, a plurality of actuators, a flatness measuring device, and a controller. The work stand includes a pair of vertically aligned work rolls. A first work roll of the pair ...
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WO/2019/018740A1 |
System and method of applying a texture on a substrate (108) include applying a texture to the substrate (108) with a work stand (102) of a coil-to-coil process (100). The work stand (102) includes an upper work roll (104A) and a lower w...
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WO/2019/018738A1 |
A substrate (106) (e.g., metal or non-metal sheet) can have multiple textures on a surface of the substrate. The various textures can be impressed or applied on the surface of the substrate (106) by passing the substrate (106) between mu...
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WO/2019/017619A1 |
The present invention relates to a secondary battery electrode manufacturing system for manufacturing an electrode and comprises: a supply roller for supplying a long sheet-shaped current collector; an electrode active material coating d...
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WO/2019/013262A1 |
This method for manufacturing a steel H-beam comprises a rough rolling step, an intermediate rolling step, and a finishing rolling step. A rolling machine that performs the rough rolling step is provided with a plurality of grooves that ...
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WO/2019/009675A1 |
The present invention relates to an advanced-high strength hot-rolled steel sheet, having tensile strength of 800MPa, and a method for manufacturing same, the method enabling enhanced surface quality, processability and weldability as we...
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WO/2018/236329A1 |
The invention relates to the field of production of rolling lubricants used in cold rolling, more particularly, in high-speed rolling of electrical steels. The method comprises condensing triethylene glycol with oleic and adipic acids, s...
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WO/2018/230226A1 |
[Problem] To provide: a roll-bonded body which is able to be suppressed in waviness in the surface; and a method for producing this roll-bonded body. [Solution] A roll-bonded body according to the present invention is obtained by bonding...
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WO/2018/218735A1 |
A method for preparing an ultra-thin austenitic stainless steel strip with a bright surface: by means of the eight processes of manufacturing a precision control working roller, primary rolling, grinding, secondary rolling, bright anneal...
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WO/2018/218734A1 |
A method for preparing an ultra-thin ferritic stainless steel strip with a bright surface: by means of the eight processes of manufacturing a precision control working roller, primary rolling, bright annealing, secondary rolling, bright ...
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