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Patent Searching and Data


Matches 351 - 400 out of 19,076

Document Document Title
WO/2020/158284A1
Provided are a steel sheet rolling method and a steel sheet manufacturing method that can prevent: the occurrence of external defects in steel sheets caused by coolant drips; and the occurrence of steel sheet shape defects, by appropriat...  
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...  
WO/2020/155264A1
A device and method for achieving core reduction technology in a continuous casting round billet solidification process. A plurality of round billet radial reduction devices (2) are distributed outside the reduction range of a round bill...  
WO/2020/153293A1
This method is a method for rolling a steel ingot (2) by means of a plurality of passes of reverse rolling using rolling rolls (1). In the rolled ingot, a top end surface (5) having a large cross section is formed at one end in the longi...  
WO/2020/137317A1
Provided is a technique for improving the squareness of long end surfaces of unequal angle steel when hot rolling is performed. A molding roller (11) disposed on the exit side of a hot-finishing rolling machine for unequal leg angle stee...  
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...  
WO/2020/130401A1
The present invention relates to a hot-dip aluminized steel sheet temper roll having excellent surface appearance and post-painting image clarity, a method for manufacturing a hot-dip aluminized steel sheet by using same, and a hot-dip a...  
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...  
WO/2020/128589A1
A method of making a high strength base-hardened tee rail and the tee rail produced by the method. The method comprises the steps of providing a carbon steel tee rail, said steel tee rail provided at a temperature between 700 and 800 ºC...  
WO/2020/124452A1
A method for preparing a metal nanosheet, comprising the following steps: providing a metal foil, coating the surface of the metal foil with an organic coating, and folding multiple times and pressing multiple times the metal foil coated...  
WO/2020/119923A1
The invention relates to a method for producing a composite material, comprising the following steps: producing a first strip (100; 1200) from a first material; producing a second strip (101; 1201) from a second material; producing a thi...  
WO/2020/121657A1
[Problem] To provide a work roll for rolling that is capable, when temper rolling a high strength steel strip, of effectively performing rolling while stabilizing the product quality even when the rolling distance advances, and a temper ...  
WO/2020/115781A1
An apparatus for the hot production of strip (N) comprises a casting machine (11) configured to cast a thin slab (TS), a heating device (16) configured to maintain the temperature of and/or heat said thin slab (TS), at least one roughing...  
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 ...  
WO/2020/104078A1
A flexible conversion method of a reversible rolling mill (1) having at least one rolling stand (2) erected on first civil works foundations (6) and a first production capacity, into an upgraded rolling mill (1') having more than one rol...  
WO/2020/104150A1
An improved rolling method of a metal strip in a reversible rolling mill (1),said reversible rolling mill (1) comprising : -at least one rolling stand (2); -an uncoiling device or pay-off reel (3) and a first recoiling device or entry te...  
WO/2020/104437A1
A high strength steel sheet with an ultimate tensile strength (Rm) of at least 950 MPa and a thickness accuracy better than 1/5 of EN 10143:2006 normal thickness tolerances, which steel sheet has a composition consisting of, in terms wei...  
WO/2020/100729A1
Using an apparatus for manufacturing a thin steel sheet, in which a continuous casting device (1) for a thin cast slab having a cast slab thickness of 70 mm to 120 mm at the lower end of a mold, a holding furnace (2) for maintaining the ...  
WO/2020/101101A1
Niobium-containing austenitic stainless steel according to an embodiment of the present invention comprises 16 to 26 wt% chromium (Cr), 8 to 22 wt% nickel (Ni), 0.02 to 0. 1 wt% carbon (C), 0.2 to 1 wt% niobium (Nb), 0.015 to 0.025 wt% t...  
WO/2020/094105A1
A liquid nitrogen-based metal sheet rolling device, comprising two rolls (2) and a sheet strip (5). The two rolls are located on the same vertical plane, and the rotation directions of the two rolls are opposite. The sheet strip is horiz...  
WO/2020/096268A1
Disclosed are a hot-rolled steel sheet having a thickness of 6 mm or more and excellent impact properties and a manufacturing method therefor. A hot-rolled steel sheet with excellent low-temperature impact toughness according to an embod...  
WO/2020/095773A1
Provided is a melted burr removal device for which deburring blades can be replaced in a short time without requiring assembly of the deburring blades or the like to be performed on-site between transport rollers. This melted burr remova...  
WO/2020/090160A1
This non-oriented electromagnetic steel sheet in which the strength and iron loss are excellent and that has an average magnetostriction λp-p of less than or equal to 4.5×10-6 at 400 Hz and 1.0 T, an area percentage of recrystallized p...  
WO/2020/090195A1
Provided is a rolled copper foil for a lithium ion battery current collector, wherein the rolled copper foil has good adhesion to a negative electrode active material, gives less metal powder during ultrasonic welding, and is rust preven...  
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...  
WO/2020/086278A1
A gear spindle coupling includes a spindle shaft having a driven end and a drive end, the drive end operatively connected to drive a hub gear that is located within a ring gear. The ring gear has an external diameter of at least 200 mm a...  
WO/2020/085313A1
In this slab manufacturing method, a twin-drum continuous casting machine for manufacturing slabs by solidifying molten metal with a pair of rotating casting drums is used and casting drum housing rolling system deformation characteristi...  
WO/2020/085851A1
A cryogenic austenitic high manganese steel having excellent surface quality according to an aspect of the present invention comprises: in weight%, 0.4-0.5% of C; 23-26% of Mn; 0.03-0.5% of Si; 3-5% of Cr; 0.05% or less of Al; 0.05% or l...  
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...  
WO/2020/078056A1
The present invention relates to the field of aluminum alloy processing, and provided thereby is a preparation method for heavy-weight coil endless high-strength aluminum alloy wire rods for fastener blanks, the preparation method compri...  
WO/2020/071654A1
One embodiment of the present invention provides a super high strength hot rolled steel sheet with excellent surface quality and low material deviation, and a manufacturing method thereof. The super high strength hot rolled steel sheet c...  
WO/2020/071002A1
A method for manufacturing plated wire rod, having: a step for preparing a plated wire rod precursor having a drawn wire-shaped base material and a plating coating provided on the surface of the base material, the base material in the st...  
WO/2020/067236A1
Proposed is a method for producing a grain-oriented electromagnetic steel sheet wherein, when the grain-oriented electromagnetic steel sheet is produced by hot-rolling a steel slab that does not contain an inhibitor forming component, co...  
WO/2020/058038A1
The invention relates to a longitudinal beam (1) for a road vehicle, comprising: a plurality of interior elements (2-6), which, in the cross-section of the longitudinal beam (1), run in a first direction (Y) and are arranged at an offset...  
WO/2020/059742A1
This aluminum alloy substrate for a magnetic disk is characterized: by comprising an aluminum alloy which contains one or more elements selected from the group consisting of 0.05-3.00 mass% (hereinafter abbreviated to "%") of Fe, 0.05-3....  
WO/2020/052625A1
A method for producing ultra-thin hot-rolled strip steel, the method comprising the following process steps: A. a smelting process: feeding scrap steel into an induction electric furnace (1) for smelting so that the scrap steel melts int...  
WO/2020/048805A1
The invention relates to a method for producing a metal strip (1), in which the strip is first guided in a conveying direction (F) through a pickling region (2) and is cleaned and/or descaled therein, wherein the strip is subsequently co...  
WO/2020/049905A1
According to one aspect of the present invention, the frictional coefficient prediction method for an aluminum metal plate surface uses the skewness Rsk and the arithmetic mean roughness Ra of the surface to predict the frictional coeffi...  
WO/2020/050737A1
The invention relates to a method for rolling railway rails using residual rolling heat. The method includes heating a billet for rolling, carrying out multiple roughing and intermediate passes in two-high reversing stands and in univers...  
WO/2020/046016A1
The present invention relates to: a wire rod for cold heading, which ensures cold forgeability and also has improved hydrogen-delayed fracture resistance by reducing the Si content thereof and containing Mo and V added thereto; a process...  
WO/2020/045449A1
Provided is a steel sheet for a can, which has high strength and excellent ductility, and also exhibits uniform deformability and excellent workability. This steel sheet has a constituent composition that contains, in terms of mass%, 0.0...  
WO/2020/040388A1
Disclosed is a wire rod for a spring, the wire rod having enhanced toughness and corrosion fatigue properties. The disclosed wire rod comprises, in wt%: 0.4 to 0.7% of C; 1.2 to 2.3% of Si; 0.2 to 0.8% of Mn; 0.2 to 0.8% of Cr; and a bal...  
WO/2020/038883A1
The invention provides a 10-25 mm thick hot-rolled non-heat-treated flat steel product that meets the optimum requirements for heat treatment. To this end, the flat steel product is produced from a steel consisting of (in wt. %) C: 0.15 ...  
WO/2020/032188A1
The present invention prevents an arm portion from becoming too thin during a rough shaping stage in the manufacture of a large hat-shaped steel piling using a material (slab) having a rectangular cross section, and enables the manufactu...  
WO/2020/031956A1
The purpose of the present invention is to provide a roll-bonded body of a copper layer and a stainless steel layer, which has a hard copper layer, while achieving a good balance between heat dissipation properties and strength. A roll-b...  
WO/2020/027966A1
In one embodiment, a lead strip caster for battery grids includes a nozzle, a pair of rollers, and a molten lead supply to the nozzle. The lead strip caster produces a continuous lead strip for making battery grids. The nozzle has at lea...  
WO/2020/019650A1
Disclosed is a lightweight high-strength aluminium alloy composite board comprising an aluminium alloy board and a magnesium lithium zinc alloy board, wherein the aluminium alloy board and the magnesium lithium zinc alloy board are compo...  
WO/2020/004592A1
Provided are an undrafted portion width detection device and a detection method in which the width of an undrafted portion of a steel material can be correctly detected even when the temperature difference between a drafted portion and t...  
WO/2020/004561A1
Provided are: a high-strength cold-rolled steel sheet for which little load is required during cold working and which has superior formability and ductility such that certain conditions are satisfied with regard to the evaluation of form...  
WO/2020/001396A1
A production apparatus for short-process metal composite plate manufacturing, comprising a parent metal supply device consisting of an uncoiler (1), a pinch roll (2), a shot blasting machine (3), a welding device (4), a welding pinch rol...  

Matches 351 - 400 out of 19,076