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JP6380510B2 |
To provide a heating furnace slab charging temperature prediction system capable of accurately predicting the temperature of charging a slab into a heating furnace in the hot rolling mill of a steel mill.This heating furnace slab chargin...
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JP6377550B2 |
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JP6373416B2 |
According to an embodiment of the invention, a descaling system is provided that includes multiple descaling headers, a common pipe, a connection pipe, a pump, a drive device, a branch pipe, a valve, and a control device. The multiple de...
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JP2018118273A |
To provide a method of joining billets and a billet joining apparatus capable of preventing breaking of joined part in continuous hot rolling.A joining method is provided that includes: a heating step of arranging a trailing end of a pre...
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JP6367756B2 |
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JP6368833B2 |
To provide a heat insulating device for a cast slab capable of temporarily placing the cast slab at a temporarily placing stockyard of the cast slab and carrying the cast slab out of the temporarily placing stockyard of the cast slab eff...
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JP6362151B2 |
According to an embodiment of the invention, a rolling equipment includes two coiler furnaces; a plurality of mill stands provided between the two coiler furnaces, the plurality of mill stands being for reverse rolling; and an induction ...
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JP6364126B2 |
A device for discharging exhaust air from the surroundings of a metal strip. The device has air quantity boosters with an opposing suction device on the other side of the conveying path in the blowing direction in order to suction and di...
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JP6357666B2 |
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JP2018108598A |
To carry out hot sawing more easily and stably in a manufacturing process for shaped steel, which has a water cooling step after hot rolling.The present invention relates to manufacture for shaped steel having a web and a flange provided...
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JP2018103242A |
To provide a new production method of a hot rolled steel sheet allowing for suppression of red scale.The production method of a hot rolled steel sheet of the present invention includes a heating step of holding a steel material having a ...
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JP6350456B2 |
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JP6350274B2 |
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JP6351758B2 |
A strip deflector has a base body formed with a tip, a compressed-air chamber, and a nozzle for emitting compressed air. A compressed-air source in flow communication with the compressed-air chamber feeds compressed air to the compressed...
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JP6353385B2 |
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JP6347247B2 |
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JP6343842B2 |
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JP6324549B2 |
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JP2018069278A |
To provide a production method of a thick-walled high strength hot-rolled steel plate which allows for suppression of loose winding of the steel plate by reducing springback and dispenses with a device for applying a large load to the st...
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JP6318442B2 |
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JP2018065145A |
To provide a method for cooling a steel sheet that can improve accuracy of cooling stop temperature and accuracy in estimating cooling stop temperature.A method for cooling a steel sheet that cools a post-hot rolled steel sheet uses comp...
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JP6310443B2 |
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JP6307602B2 |
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JP2018047483A |
To provide a shape control method of a metal strip which can control a metal strip shape after cooled down to a normal temperature within a target range over the whole length when hot-rolling the metal strip, and a shape control device.T...
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JP6302557B2 |
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JP6295387B1 |
To provide a method for controlling and cooling a steel bar immediately after hot rolling with a uniform overall length. A traveling material to be rolled is continuously measured before, during or after rolling, heated or cooled to a ta...
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JP6289715B1 |
To continuously remove a scale of a metal wire rod by wet blasting without pickling, and to change the angle and position of a blast gun according to a change in a rotation angle of the metal wire rod during wet blasting. Provided is a m...
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JP6275525B2 |
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JP2018015811A |
To provide a surface layer removal method of a metal material capable of manufacturing a high-quality product by a hot processing line.A surface layer removal method of a metal material of the present invention, processes the metal mater...
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JP6264464B2 |
It is an object to provide a facility and a method for manufacturing a steel plate having excellent shapes and excellent mechanical properties, by performing uniform cooling in a cooling step by uniformizing scales that are generated on ...
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JP6260704B2 |
A plurality of water removing nozzles of a water removing apparatus comprise one or more of a single far water removing nozzle and a far water removing nozzle group. The single far water removing nozzle forms a far end water removal sing...
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JP3214306U |
[Subject] Processing of a metal section bar, especially It was of formation of a star lap for ferro-concrete In addition to making it possible to sanctify the section bar concerned automatically by apparatus of Because , and there being ...
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JP6258994B2 |
A flat jet nozzle for removing material or soil with a high-pressure liquid jet at a pressure range of more than 100 bar, having a nozzle housing, and a jet director disposed in the nozzle housing. The nozzle housing forms a fluid duct h...
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JP6252545B2 |
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JP2017221968A |
To provide a steel bar cooling method which enables a cooling time and a cooling space to be reduced while avoiding hardening.The steel bar cooling method of this invention is a method for cooling a plurality of hot rolled steel bars, an...
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JP6248683B2 |
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JP6245766B2 |
A cooling device for a hot rolled steel plate is configured such that: a spray header (2A) is incorporates guide rails (222A U,L ) provided on the inside peripheral surface of a main body unit (202A) and extending along the direction of ...
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JP6241582B1 |
A cold rolling method for manufacturing a steel plate excellent in board thickness accuracy by high efficiency is provided. Roll byte introduction oil film thickness h in the last stand calculated by following the (1) formula by a tandem...
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JP6241462B2 |
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JP6233613B2 |
A production equipment line for a hot-rolled steel strip comprises a rough rolling mill group 3 comprised of plural rough rolling mills 31 and 32 for hot rolling a material to be rolled 10 which is heated up to a predetermined temperatur...
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JP6233341B2 |
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JP6234871B2 |
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JP6233525B2 |
To provide a method and an apparatus for manufacturing a rail having high ductility in both a head portion and a foot portion. A heated steel rail material is hot-rolled, the temperature is adjusted by cooling the hot-rolled steel rail m...
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JP6233614B2 |
A production equipment line for a hot-rolled steel strip comprises a rough rolling mill group 3 comprised of plural rough rolling mills 31 and 32 for hot rolling a material to be rolled 10 which is heated up to a predetermined temperatur...
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JP2017200700A |
To provide a method for manufacturing a steel material having an excellent surface appearance by allowing the steel surface to include a scale layer, and by suppressing generation of red scale on the steel surface, in a process for manuf...
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JP2017200701A |
To provide a method for manufacturing a steel material having an excellent surface appearance by allowing the steel surface to include a scale layer, and by suppressing generation of red scale on the steel surface, in a process for manuf...
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JP6225732B2 |
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JP6222062B2 |
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JP6217776B2 |
According to the present invention, a thermoelectric power generation device having thermoelectric power generation units is provided to a manufacturing facility line, the thermoelectric power generation units face heat sources, and are ...
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JP2017179482A |
To provide an electroseamed steel pipe for linepipe having excellent SSC resistance even with high strength.The electroseamed steel pipe for linepipe has a chemical composition containing, by mass%, C:0.01 to 0.1%, Si:0.01 to 0.4%, Mn:0....
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