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JP7381840B2 |
To provide a cooling device that can cool even an H-shaped steel having a thin web and a ratio of flange pressure/web thickness of 1.5 or higher so as not to cause a shape defect and that has a short cooling length and is easy to maintai...
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JP7381873B2 |
To provide an H-steel production method capable of more efficiently uniformizing a flange temperature distribution in a limited time during rolling or/and after rolling.An H-steel production method includes setting a cooling water impact...
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JP7368729B2 |
To provide a control device for a rolling device which improves a quality of a rolled material.A control device 60 for a rolling device for controlling a rolling device 100 has a rough rolling mill 10 and a finish rolling mill 20 for rol...
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JP7367725B2 |
To provide an operation method of a leveler device capable of suppressing generation of scratch on a steel plate, while reducing a used amount of water.There is provided an operation method of a leveler device 1 including a leveler roll ...
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JP2023544345A |
The present invention relates to a modular spray bar system for selective cooling and/or lubrication of rolls, particularly roll cylinders, in a roll stand.
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JP2023542202A |
According to the present invention, the roller table body (1) includes a roller table body (1) and a plurality of guide mechanisms (2) attached to both sides of the roller table body (1) so as to be arranged alternately. 1) is used to tr...
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JP2023141880A |
To provide a method of generating a prediction model related to a coil-shaped steel plate capable of achieving both prevention of a surface of a coil-shaped steel plate from being wet and improvement of a cooling ability of the coil-shap...
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JP7356016B2 |
To suppress internal defect caused by porosity and segregation of a thickness center part of a steel piece and columnar crystal formation, breakage of a steel piece in a subsequent step caused by an inhomogeneous composition and occurren...
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JP7352080B2 |
To provide a hot rolled steel sheet cooling device which can be used between conveyance rolls on an undersurface of a hot rolled steel sheet after finish rolling in a hot rolling process, has a compact and simple structure, and can perfo...
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JP2023134968A |
To provide a method for calculating a ferrite transformation temperature of a steel sheet capable of accurately calculating the ferrite transformation temperature considering external factors and the temperature of the steel sheet during...
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JP2023540982A |
The present application relates to an equipment (1) and a method for continuous casting and subsequent flat rolling of a steel strip (2) having an austenitic and/or ferritic structure and a thickness of less than 1.0 mm, the equipment co...
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JP7350441B2 |
The present invention relates to a method for cooling a member to be cooled by using a cooling device, the cooling device including: a plurality of spray nozzles, each of which sprays a droplet group onto a heated member to be cooled to ...
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JP2023130912A |
To enable a conveyance abnormality of a material of steel plates to be detected surely at low cost.A conveyance abnormality detecting device detects a conveyance abnormality of a material of steel plates. The conveyance abnormality detec...
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JP2023128419A |
To provide a thick steel plate which enhances adhesion of a scale, suppresses or prevents scale peeling at the time of laser irradiation, and accordingly is useful for applying laser cutting, and a method for manufacturing the same.A thi...
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JP2023128435A |
To provide a thick steel plate which suppresses or prevents occurrence of burning upon laser cutting, and therefore, is useful for application of laser cutting, and to provide a manufacturing method of the thick steel plate.A thick steel...
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JP2023128426A |
To provide a thick steel plate which suppresses or prevents occurrence of burning, and accordingly is useful for being used in laser cutting, and a method for manufacturing the same.A thick steel plate includes a steel plate, and a scale...
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JP2023128403A |
To provide a thick steel plate in which occurrence of burning in laser cutting is suppressed or prevented, and therefore, which is useful for application of laser cutting, and a method for manufacture of the same.Provided is a thick stee...
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JP2023128423A |
To provide a thick steel plate which enhances adhesion of a scale, suppresses or prevents scale peeling at the time of laser irradiation, and accordingly is useful for applying laser cutting, and a method for manufacturing the same.There...
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JP7343819B2 |
A facility cost and a remodeling cost can be reduced, and further, a steel sheet pile product with high dimensional accuracy is produced by suppressing occurrence of warpage of a material to be rolled during bending. There is provided a ...
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JP7344405B2 |
A rolling mill facility includes: a support part extending along a plate width direction of a steel plate to be rolled; a thickness measurement part supported by the support part and configured to measure a thickness of the steel plate; ...
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JP7342898B2 |
To provide a hot-rolled steel strip manufacturing method that made it possible both to achieve a target coiling temperature for a steel material whose length after finish rolling is shorter than the length of a runout table and to approp...
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JP7338814B2 |
In preset calculation, a plurality of cooling banks are set to be feedforward or feedback banks, and each of water injection amounts in these banks is calculated. In cooling history management, a recalculation position for re-executing t...
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JP7338599B2 |
To provide a blister scale generation prediction method and a blister scale generation prediction model generation method capable of predicting the occurrence of blister scales with high accuracy, and a rolling mill control method for re...
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JP7329067B2 |
A process of cold rolling an aluminum product, e.g. a strip, which crosses at least one rolling stand, wherein a lubricant is applied to the strip close to said at least one rolling stand by means of a plurality of applying means, said l...
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JP7326594B2 |
A method for cold rolling rolled stock (2) in a mill train (1) with multiple roll stands (3 to 7). An upper limit temperature and/or a lower limit temperature is provided for a rolled stock temperature of the rolled stock (2) for at leas...
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JP7324270B2 |
A method of heat transfer wherein a flat metal product having a broad face and a temperature upper to 400° C. is put in contact with a fluidized bed of solid particles, the solid particles having a direction of circulation (D), wherein ...
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JP7323425B2 |
To achieve an oxidized scale removal method that can improve the production efficiency of a stainless steel strip.The method includes a laser beam irradiation step in which an oxidized scale-formed surface of an annealed stainless steel ...
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JP7322292B2 |
The present invention relates to an apparatus for removing a foreign material which sufficiently collects and removes a foreign material even with a constant suction force to increase the removal efficiency thereof, wherein the apparatus...
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JP7321826B2 |
To provide a descaling device and a descaling method capable of suppressing the entanglement of a wire regardless of a winding direction of the wire.A descaling device 1 is equipped with a payoff stand 2, and a descaling portion 3 that m...
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JP2023108732A |
To effectively suppress shape distortion of a steel plate in a cooling process of a steel plate manufacturing.A manufacturing technique of a steel plate using a shape distortion prediction model conformed to a steel plate manufacturing l...
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JP7318023B2 |
A device for cooling a metal rolling stock (1) rolled in a rolling train, having multiple cooling devices (4), to which water (5) is supplied via a respective branch line (7) and by means of which the water (5) is applied to the rolling ...
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JP2023530544A |
Plant and method for the continuous production of hot-rolled steel strips with a minimum thickness of 0.3 mm for continuous casting of thin or medium slabs with a thickness of 40-150 mm and a maximum width of at least 2100 mm (1 ), follo...
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JP7308358B2 |
An efficient straight through medium-heavy plate production line of double rack and double shearing line and a production method are provided. The medium-heavy plate production line comprises: a main rolling line, at least two parallel s...
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JP7307339B2 |
To suppress internal defect caused by porosity and segregation of a thickness center part of a steel piece and columnar crystal formation, breakage of a steel piece in a subsequent step caused by an inhomogeneous composition and occurren...
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JP7306413B2 |
To provide manufacturing equipment and a manufacturing method capable of avoiding collision of a steel plate to a dewatering roller outlet side nozzle when a tail end part of the steel plate advances into a dewatering zone by virtue of a...
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JP7305887B2 |
The invention refers to a distributor tube (400) for cooling metal or similar products, in particular steel strips, comprising along the longitudinal extension of said distributor tube (400), a plurality of outlet openings (406) through ...
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JP2023094237A |
To provide a manufacturing device of a hot-rolled steel strip capable of realizing effective dewatering, and a manufacturing method of a hot-rolled steel strip.A manufacturing device of a hot-rolled steel strip includes: an injection par...
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JP2023094158A |
To obtain a cooling condition for optimizing the temperature of a steel plate even during cooling.A section is divided into two cooling sections. A range of a first cooling target temperature T1 during cooling and a range of a second coo...
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JP2023093419A |
To provide a method for cooling a long product, which can set a fine structure of the hot rolled long product to be as flexible as possible.There is provided the method for cooling a hot rolled rod, wire, tube or profile by using an appa...
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JP2023528070A |
The present invention relates to a reversing hot rolling mill with a cooling system or cooling systems consisting of nozzle ramps radiating into an aluminum blank. The present invention likewise provides a method in which the cooling sys...
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JP7298529B2 |
To provide a method that manufactures high-intensity H-section steel whose flange has a good shape.In a method of manufacturing H-section steel by applying hot rolling to a steel material, when performing a cooling process to an outer su...
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JP2023087352A |
To provide a metal processing oil composition for cold rolling that is less susceptible to heat generated during cold rolling and metal wear powder derived from a rolled material mixed during the cold rolling.A metal processing oil agent...
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JP7295409B2 |
To provide descaling equipment capable of descaling a steel material without involving decrease in working efficiency and significant increase in a working cost in hot working steps.Descaling equipment comprises: nozzles 11-13 which are ...
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JP7294233B2 |
To highly accurately estimate a width reduction load in a width reduction press device in a hot rolling line.A width reduction load estimation method for use in a width reduction press device, in a hot rolling line including a heating fu...
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JP2023525657A |
Liquid coolant (6) is supplied to the header line (4) using a pump assembly (5). Branch lines (9a to 9d), in which control valves (11a to 11d) are arranged, branch from the header line (4) to the application units (10a to 10d). The coola...
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JP2023075208A |
To provide a foreign matter removal type steel sheet transferring roll which can effectively remove foreign matter such as oxidized scale, dust, powder, oil, cleaning liquid and contaminant adhering to a surface of a hot or cold rolled s...
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JP7282179B2 |
A nozzle head for descaling rolling stock, said rolling stock moving relative to said nozzle head, is adapted to be mounted for rotation about an axis of rotation relative to a surface of said rolling stock. Said nozzle head comprises a ...
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JP7279083B2 |
Systems and methods of quenching a metal substrate include cooling a top surface and a bottom surface of the metal substrate until a strip temperature is cooled to an intermediate temperature. Cooling of the top surface of the metal subs...
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JP7277753B2 |
To provide a new and improved device for removing steel plate surface flaw introducible without involving a change in an existing line, and capable of highly accurately removing steel plate surface flaw.A device 100 for removing steel pl...
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JP7277707B2 |
To provide a thick steel plate with adhesion of a scale improved by a novel configuration, and thus useful in laser cutting.A thick steel plate includes a steel plate and a scale having a thickness of 10-40 μm formed on a surface of the...
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