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JP2010023066 |
To provide a method and equipment for cooling a hot-rolled steel sheet by which the winding temperature of the hot-rolled sheet is accurately controlled to a target winding temperature.This cooling equipment 100 is provided with: a plura...
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JP2010023087 |
To manufacture a Cr-containing bar-steel material having excellent surface property capable of improving scale separability even when the bar-steel material contains Cr to adversely affect the scale separability.In the manufacturing meth...
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JP2010023076 |
To provide a cold-rolling method excellent in heat scratch resistance by which a heat scratch is surely prevented without generating problems from the viewpoint of operation to a material to which high-speed rolling and a heavy-load roll...
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JP2010012514 |
To provide a means for carrying out cold rolling while maintaining an adequate lubricated state.When carrying out cold rolling using a cold tandem mill equipped with a plurality of stands, lubricant containing solid particles having an a...
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JP2010015695 |
To provide an induction heating device of a rotary roll which has a minimal heat generation of a magnetic circuit.The induction heating device is provided with a stator in which a superconductive coil 5 connected to a DC power supply is ...
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JP2010005656 |
To provide a method of manufacturing a magnesium sheet by which the amount of camber of the sheet is suppressed.In a stage for performing hot or warm rolling, a coil of the magnesium sheet which is reversely rolled or rolled and wound is...
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JP2010005683 |
To provide a method for adequately carrying out quality assurance for delivering a product to a user, and also to provide a method for manufacturing of a hot-rolled metal strip using the same.A cooling-related equipment 26 between a fini...
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JP2010005638 |
To provide a method of manufacturing by which steel for cold forging excellent in the dimensional accuracy and the smoothness of a surface is easily obtained.This manufacturing equipment includes ladles 2, a casting apparatus 4, a bloomi...
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JP2010005677 |
To provide hot-rolling equipment and a hot-rolling method which are used in the hot-rolling stage of an iron and steel manufacturing process, especially, used for suppressing the rough surface and seizure of work rolls.In the hot-rolling...
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JP2010007110 |
To provide a method for efficiently cooling a heated metal article, such as steel sheet.A water-system coolant containing soap-system surfactant (fatty acid alkaline metal salt, etc.) is used and the heated metal article, such as steel s...
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JP2010005682 |
To provide a method for adequately carrying out quality assurance for delivering a product to a user, and also to provide a method for manufacturing of a hot-rolled metal strip using the same.A cooling-related equipment 26 between a fini...
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JP2010000524 |
To provide a method for manufacturing of Cr-containing steel excellent in scale releasability and having a surface with few surface flaws caused by a scale and a subscale.When a steel slab of the Cr-containing steel comprising 0.05-0.4 m...
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JP2009291733 |
To provide a deposit removing apparatus for removing deposit from a wiping sheet used for wiping the deposit such as a solder or the like coming out to the surface of metal mask plate to make the wiping sheet repeatedly usable.Vibration ...
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JP2009285698 |
To provide a manufacturing method by which a decarburized layer is suppressed and a round steel bar is obtained inexpensively.Manufacturing equipment for the manufacturing method is provided with a ladle 2, a casting apparatus 4, a slabb...
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JP2009287023 |
To provide a lubricant composition for processing a seamless steel pipe totally satisfying various properties such as storage stability, transferability inside an apparatus piping, sprayability to lubrication sites and property of unifor...
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JP2009280883 |
To inexpensively provide a roll capable of reliably removing, squeezing and cleaning a liquid adhering to a surface to be cleaned over a long period of time, and a cleaning equipment mounted with the roll while suppressing the cost low.T...
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JP2009279629 |
To provide a cooling apparatus which can rapidly cool a steel sheet at a short distance on the exit side of the last stand of a rolling mill without causing trouble in passing the leading end of the steel sheet and/or causing scratches o...
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JP2009279651 |
To provide a method of and a device for cooling the back surface of a hot-rolled steel strip by which the back surface of the hot-rolled steel strip is cooled with a large quantity of water and at high cooling rate even when they are pla...
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JP2009275285 |
To provide a high-Cr-containing steel material for cold pressing excellent in surface quality with few surface flaws by suppressing the generation of primary scale in a heating furnace to thereby reduce scale loss and changing the proper...
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JP2009274093 |
To provide a steel sheet having excellent surface property and improved descaling property even in a silicon containing steel containing silicon that badly affects descaling property.A silicon containing bloom containing 0.2 to 2% Si (by...
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JP2009269086 |
To provide an apparatus and a method for cooling the hot rolling can stabilize a shape of a steel plate at fore and rear ends, and suppress the vibration of the steel plate in a cooling process after the finish rolling of the hot rolling...
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JP2009269087 |
To provide an apparatus and a method for cooling the hot rolling can stabilize the shape of a steel plate in a transition boiling area and suppress the vibration of the steel plate in a cooling process after the finish rolling of the con...
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JP2009269025 |
To provide a spray nozzle assembly for directing thin, straight line, high pressure liquid spray onto a moving steel slabs for penetrating and removing scale buildup in steel processing operations.The spray nozzle assembly includes a hig...
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JP2009262162 |
To provide a method of manufacturing a strip of Cr-Ni base stainless steel by which the generation of spills caused by hot rolling is prevented.A slab 1 of Cr-Ni base stainless steel is continuously cast. Next, build-up welded parts 3 ar...
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JP2009255140 |
To improve the yield of a cast steel slab by subjecting even both end faces in the width direction of a cast steel slab to a surface melting treatment.A plasma torch 10 is arranged in the upper part of a cast piece H. On both sides in th...
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JP2009256707 |
To provide a cooling apparatus and a cooling method, wherein a bar-like or tubular metallic material laid on a supporting stand, is uniformly cooled by injecting water-spray and also, the bending after heat-treatment, is reduced.This inv...
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JP2009248170 |
To cool a T-shape steel without causing lateral bend and vertical camber.In a cooling system R which is provided with a pair of side guides 3a, 3b arranged on the right and left on both sides of the pass line and movably approachably and...
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JP2009248163 |
To make a good surface shape by suppressing the generation of scale defects in hot rolling.A method has a rough rolling stage where a rough-rolled steel sheet is obtained by performing the rough rolling of a slab manufactured by continuo...
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JP2009248177 |
To provide a method of cooling a steel sheet which follows up meandering and also the bend of a sheet and by which the temperature in the sheet width direction after cooling is uniformed inexpensively, and to provide an apparatus thereof...
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JP2009249714 |
To provide a method for producing a hot-rolled steel sheet excellent in a surface-processing property without generating uneven adhesive-state of the surface-processing material.The steel sheet is produced through the following processes...
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JP2009241114 |
To provide a system for cooling a steel plate with which the damage of nozzles is prevented in a system for cooling the steel plate which is arranged on the outlet side of the finish rolling stand of a tandem finishing mill for hot rolli...
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JP2009241081 |
To provide a method of manufacturing a hot-rolled steel strip of ferritic single-phase stainless steel which is high in safety and by which the generation of scale defects is prevented or suppressed.When manufacturing the hot-rolled stee...
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JP2009241115 |
To provide equipment and a method for cooling a steel plate for a hot-rolled steel plates by which the grain refining of the hot-rolled steel plate is satisfactorily attained and the deep-drawability of the final product is attained when...
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JP2009241113 |
To provide a method in which the rapid cooling of a steel plate is performed from just after finish rolling, light draft rolling is not performed after the rapid cooling and which has not adverse effect on a measuring instrument group on...
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JP2009241098 |
To provide a side guide for smoothly discharging cooling water jetted to the upper surface of a steel sheet from cooling equipment when the cooling equipment for jetting cooling water to be opposed with each other in a steel sheet convey...
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JP2009241133 |
To provide a line for rolling/manufacturing a bar steel and wire rod and a method of manufacturing the bar steel and wire rod by which the desired product of the bar steel and wire rod is obtained.In a method of manufacturing the bar ste...
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JP2009241090 |
To provide a hot dip galvannealed steel sheet having excellent appearance quality by suppressing plating alloying unevenness caused by ruggedness on the surface of the steel sheet, unevenness of the crystal grain sizes on the surface of ...
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JP2009241134 |
To obtain a desired product of a steel wire rod.In a line for manufacturing the steel wire rod by rolling which is provided with a cooling means 9 between the final rolling mill 11 and a winding reel 8 and by which the steel wire rod 2 h...
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JP2009233718 |
To provide a cooling method for a wire rod coil enabling a high temperature wire rod coil to be rapidly cooled, enabling a whole wire rod coil to be uniformly cooled, and minimizing an installation space of a cooling apparatus in a wire ...
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JP2009233716 |
To rationalize the cooling of a rolled stock by compensating the coefficient of heat transfer accurately and surely.In the method of cooling the rolled stock 8 by which the rolled stock 8 after hot rolling is cooled by water cooling, the...
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JP2009233724 |
To provide a cooling control method for a hot-rolled metal strip in a hot rolling mill, and a manufacturing method for the hot-rolled metal strip using the above method.The cooling related equipments to control flow-rate of cooling water...
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JP2009226478 |
To provide a lubricant supplying equipment can perform the start and stop of the supply of the lubricant with good responsiveness even when the quantity of supply of the lubricant is small, and to provide a rolling mill provided with the...
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JP2009226438 |
To control the temperature of a steel plate on the outlet side of a finishing mill with higher precision and, furthermore, to make frequency of increasing and decreasing the quantity of cooling water smaller, as regards control of a cool...
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JP2009220159 |
To provide a method and apparatus for cooling a steel plate, by which the steel plate is water-cooled at high cooling rate uniformly and stably when cooling a steel material such as a steel plate and a steel sheet.A nozzle 4 is penetrate...
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JP2009219986 |
To provide a roller excellent in durability capable of sucking liquid absorbed by a roller part quickly and uniformly and discharging the sucked liquid to the outside of the roller, retaining rotation balance of the roller, and removing ...
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JP2009220158 |
To provide an apparatus and a method for cooling a steel sheet by which the steel sheet is water-cooled at high cooling rate uniformly and stably when cooling a steel plate, a hot-rolled steel plate, etc. with large quantity of water.Thi...
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JP2009220116 |
To make it possible to improve the biting ability of a material to be rolled while using the same kind of lubricating oil.The nose part of aluminum alloy of the material 10 to be rolled is heated with a heating furnace 2 before lubricate...
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JP2009215642 |
To provide a fire-resistant steel having excellent high-temperature strength, toughness and reheat embrittlement resistance.The fire-resistant steel has a composition comprising, by mass, 0.001 to 0.020% C, 0.05 to 0.50% Si, 0.8 to 2.0% ...
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JP2009209444 |
To provide a process for producing a steel sheet of given thickness excelling in the uniformity of material properties along the length of the steel sheet with the use of a through cooling unit.There is disclosed a rolling-cooling proces...
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JP2009208110 |
To provide a method of manufacturing bar steel by which heat treatment which is performed conventionally off-line before cold working is omissible.Disclosed is the method of manufacturing the bar steel by which a rolled stock composed of...
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