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WO/2020/261444A1 |
Provided is a temperature control device for a hot rolling line having a ROT cooling device and an accelerated cooling device, the temperature control device enabling an increase in the accuracy of a temperature model of a rolled materia...
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WO/2020/262638A1 |
The steel material according to the present invention has a prescribed chemical composition, and is, from among (Zr, B)-containing oxide particles comprising 5.0 mass% or more of Zr, 0.1 mass% or more of B, and 1.0 mass% or more of O, (Z...
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WO/2020/255863A1 |
Provided are a meandering control method that is for a hot-rolled steel strip and that can sufficiently suppress the amount the hot-rolled steel strip meanders, a meandering control device, and hot rolling equipment. A roll opening diffe...
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WO/2020/255792A1 |
This method for controlling a plate conveying device which conveys a plate by sandwiching the same between a pair of upper and lower pinch rolls provided with a roll temperature distribution control device is characterized in that: if it...
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WO/2020/249573A1 |
The invention relates to a device (4) for sequentially cooling metal wide flat products (3), comprising at least one cooling bar (13) and a supply unit for supplying the cooling bar (13) with a coolant, wherein the cooling bar (13) has a...
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WO/2020/250424A1 |
This plate thickness control device is a plate thickness control device for performing plate thickness control of a hot rolling mill provided with a rolling stand. The plate thickness control device is provided with: a thermometer dispos...
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WO/2020/245926A1 |
A mill pacing control system that comprises a mill pacing calculator. The mill pacing calculator performs mill pacing control on the basis of information about rolling specifications SP_SS and rolling conditions C_SS for steel sheets SS....
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WO/2020/239589A1 |
The invention relates to an industrial installation (1, 24), comprising a movably mounted body (5), a fluidic drive unit (6) for moving the movably mounted body (5) and also a damping system (17) for damping vibrations of the industrial ...
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WO/2020/228303A1 |
A method for producing a crack arrest steel for a container ship. Blanks with different cross sections for rolling are selected according to different widths of finished products, reducing rolling passes and increasing pass reduction; an...
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WO/2020/221628A1 |
The invention relates to a process for producing batch annealed tailor rolled steel strip is provided, comprising the following steps: a) casting a slab having a composition of (in wt%): C = 0 – 0.2; Mn = 2.0 – 4.0; Si ≤ 1.0; P = 0...
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WO/2020/213542A1 |
In this method of controlling meandering of a material-to-be-rolled, a rolling machine has a plurality of rolls including at least a pair of work rolls and a pair of reinforcement rolls. The method comprises: an estimation step for acqui...
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WO/2020/213179A1 |
A steel sheet has a specified chemical composition and a micro structure composed of ferrite and a carbide, wherein the carbide is present in ferrite grains and on ferrite grain boundaries and, with respect to the carbide particles each ...
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WO/2020/206741A1 |
A 400 MPa level fine grain threaded reinforcing bar and a manufacturing method therefor, relating to the field of threaded reinforcing bar production. The reinforcing bar comprises the following components, by mass percentage, 0.20-0.25%...
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WO/2020/209485A1 |
The present invention provides a Cu-Co-Si-Fe-P-based copper alloy for electronic materials, which has an improved balance among strength, electrical conductivity, and bending workability, and a method for preparing same. The Cu-Co-Si-Fe-...
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WO/2020/204070A1 |
This multistage rolling mill 100 is provided with support bearings 10a, 10b, 10c, 10d, 10e, 10f, 10g, and 10h provided on the entrance side and/or the exit side of work rollers 2a and 2b, and supporting the work rollers 2a and 2b on the ...
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WO/2020/201960A1 |
Procedure for making a continuous tape of at least one metallic material of the family of malleable/ductile metallic materials, described in that a continuous strip (1) of said metallic material is passed between a rigid cylinder (3) and...
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WO/2020/193051A1 |
Slabs (2) pass through a furnace (1) in a conveying direction (y) where they are heated to rolling temperature. There are a plurality of slabs (2) in the furnace (1). After heating, the slabs (2) are rolled in at least one roll stand (4,...
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WO/2020/196293A1 |
When a coil is manufactured by winding a hot-rolled steel sheet by means of a mandrel in a hot-rolling step, the present invention improves the flatness of the hot-rolled steel sheet in the coil. The mandrel has, in a side view in the ax...
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WO/2020/193099A1 |
The invention relates to a control device (3b) for a roll stand (1), which control device receives, during rolling of a metal strip (2) in the roll stand (1), measurement data (M) for a lateral position (y) of the metal strip (2) on the ...
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WO/2020/187419A1 |
The invention relates to a method for producing a hot-rolled flat steel product with different properties. The invention additionally relates to a hot-rolled flat steel product with different properties and to the use of the hot-rolled f...
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WO/2020/179019A1 |
Provided are: a cooling water injection control apparatus for a rolling mill, whereby variation in flow rate characteristics of a water injection header is less likely to exert an effect; and a cooling water injection control method. Thi...
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WO/2020/177937A1 |
The invention relates to a method for producing a metallic strip or plate (1), wherein the strip or plate is rolled in a multi-stand rolling mill (11) and output behind the last roll stand (14) of the rolling mill (11) in the conveying d...
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WO/2020/130417A3 |
One embodiment of the present invention provides an ultra-thick structural steel having excellent brittle crack initiation resistance, and a manufacturing method therefor, the ultra-thick structural steel comprising, by wt%, 0.03-0.08% o...
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WO/2020/171253A1 |
A plated steel sheet having excellent melt welding resistance, and a manufacturing method therefor are provided. The present invention relates to a hot forming plated steel sheet having a plated layer formed on one surface or the both su...
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WO/2020/169669A1 |
1. A method for setting different cooling rates over the strip width of a cooling stretch in a hot-strip mill or heavy-plate mill. 2.1. A method for setting different cooling rates of metal strips or metal plates (rolling material) over ...
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WO/2020/171096A1 |
A rolling load predicting device according to the present invention is a rolling load predicting device for predicting a rolling load of a rolling mill that rolls a steel material, and is provided with a means for predicting the rolling ...
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WO/2020/166124A1 |
In this method for determining setting conditions of a manufacturing facility: setting conditions for a target manufactured object are acquired by inputting manufacturing conditions of a target manufactured object, and setting conditions...
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WO/2020/160898A1 |
The invention relates to a method for producing a desired metal workpiece (134), wherein the method comprises: - producing an elongate finished material (116; 222) by hot rolling, wherein a first data record (112) is assigned to said fin...
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WO/2020/162004A1 |
Provided are a method of cooling control for a thick steel plate, a cooling control device, and a method of producing a thick steel plate, which make it possible to accurately adjust an up/down water ratio and suitably prevent C-warping ...
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WO/2020/157819A1 |
This control device for a rolling device is a control device for controlling a rolling device which includes a pair of rolling rolls provided in such a way as to sandwich a metal plate, and an unwinding device for unwinding the metal pla...
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WO/2020/156787A1 |
The present invention relates to a method and a device for changing the effective contour of a running surface (8) of a working roll (3, 4) during the hot rolling of rolling stock in a roll stand (2) to form a rolled strip (1). The probl...
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WO/2020/156781A1 |
The present invention relates to a method and a device for local modification of a roller nip in the region of the belt edges (10) of a rolled belt (1) in a roll stand (2). By means of the invention, the roller nip in the region of the b...
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WO/2020/156932A1 |
The invention relates to a hydraulic feedback control loop (1) and method for controlling a hydraulic actuating cylinder (3), in particular an adjustment cylinder for a working roll in a roll stand, which cylinder comprises a cylindrical...
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WO/2020/152868A1 |
Rolling equipment includes a strip wedge controller that obtains the distribution in the strip width direction of a strip load applied to a rolled material 5 from a work side load PW and a drive side load PD, that calculates the strip we...
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WO/2020/130354A1 |
The present invention relates to a method for manufacturing an ultra-thick steel sheet and a cast piece for the ultra-thick steel sheet. The method for manufacturing an ultra-thick steel sheet according to an embodiment of the present in...
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WO/2020/130506A1 |
The present invention relates to a wire rod of which softening heat treatment can be omitted, and a manufacturing method therefor. One embodiment of the present invention provides a wire rod of which softening heat treatment can be omitt...
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WO/2020/129173A1 |
Provided is a learning control device for a rolling process with which updating of a learning coefficient by means of an abnormal actual value can be avoided. A learning control device for a rolling process calculates a layer-specific le...
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WO/2020/121454A1 |
Provided is a tandem rolling mill control device capable of more reliably suppressing the fracture of material to be rolled. This tandem rolling mill control device comprises: a speed command output unit that temporarily outputs a speed ...
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WO/2020/114976A1 |
The invention relates to a method for operating a roll stand for stepped rolling of a metal strip (200). According to the method the metal strip (200) is firstly introduced on the infeed side into a roll stand (100) and there undergoes s...
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WO/2020/111639A1 |
The present invention pertains to an ultra-high strength hot rolled steel sheet having excellent shape quality and bendability, and a method for manufacturing same. An embodiment of the present invention provides: an ultra-high strength ...
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WO/2020/100561A1 |
Provided is a roll press device wherein a thickness gauge is provided on an exit side of a first compression roller and a second compression roller, and detects the thickness of an electrode plate of a secondary cell at each of three or ...
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WO/2020/094684A1 |
The invention relates to an interior high pressure-formed component made of ferritic-bainitic steel, characterized by a precursor having at least 5 volume-% bainite, which has a composition containing 0.04-0.12 wgt.-% C, 0.8-2.0 wgt.-% M...
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WO/2020/090921A1 |
This control system is for controlling casting and rolling equipment including a twin roll-type continuous casting machine, a rolling mill, and a conveyor, and comprises: a rolling mill control unit which controls the rolling mill by one...
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WO/2020/085847A1 |
An aspect of the present invention can provide an austenitic high manganese steel for cryogenic applications and a manufacturing method for same, wherein the austenitic high manganese steel for cryogenic applications effectively ensures ...
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WO/2020/085305A1 |
In this slab manufacturing method, casting drum housing rolling system deformation characteristics which were acquired prior to the start of slab casting and which indicate deformation characteristics of a housing supporting a casting dr...
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WO/2020/074620A1 |
The invention relates to a controller (2) and a method for controlling a stretch-reducing rolling mill (1) for rolling tubes (R), having multiple roll stands (10) arranged one behind the other in the conveyor direction (F) of the tubes (...
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WO/2020/069875A1 |
A metal strip (2) passes through a plurality of roll stands (3) of a rolling mill line (1) one after the other sequentially. A control device (4) of the rolling mill line (1) controls actuators (9, 10) of a downstream roll stand (3f) and...
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WO/2020/072864A1 |
A system for controlling a plant having a rolling mill for producing thin strip product is provided herein. The system includes a thickness gauge and a controller. The thickness gauge is positioned at the exit of the rolling mill to make...
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WO/2020/067704A1 |
The present invention relates to a magnesium alloy sheet, which comprises, on the basis of 100 wt% of an entire magnesium alloy sheet, 0.1-1.5 wt% of Zn, 0.08-0.7 wt% of Gd, and the balance of Mg and other inevitable impurities, and sati...
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WO/2020/063187A1 |
Disclosed is a method of emulsion concentration optimization for a cold continuous rolling mill set for the purpose of vibration suppression, the method comprising: defining the process parameters involved in the process of emulsion conc...
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