Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 501 - 550 out of 7,444

Document Document Title
WO/2012/067379A2
An object of the present invention is to provide a method for manufacturing high-strength cold-rolled/hot-rolled DP steel having a tensile strength grade of 590 MPa and excellent workability, as well as little deviation in the material p...  
WO/2012/064129A2
The aim of the present invention is to provide a method for manufacturing high-strength cold-rolled TRIP steel having a tensile strength of 590 MPa grade and low mechanical-property deviation, in which a thin-slab casting technique is em...  
WO/2012/043462A1
[Problem] To provide a rolled copper foil, of which the surface is roughened adequately so as to improve the handling properties of the foil, and which has excellent flexibility and good surface etching properties. [Solution] A rolled co...  
WO/2012/039882A2
A method of forming a metallic article includes directly and/or indirectly inductively heating a localized region of a metallic article to a forming temperature. The metallic article may comprise materials selected from titanium alloys, ...  
WO/2012/036307A1
Provided is a high-strength hot rolled steel sheet having excellent toughness even if the tensile strength is strengthened to at least 780 MPa. The sheet contains, by mass%, 0.04-0.12% C, 0.5-1.2% Si, 1.0-1.8% Mn, no greater than 0.03% P...  
WO/2012/036483A2
The present invention relates to high-carbon hot-rolled steel sheet of a type with which post-processing is truncated, and which can give satisfactory final product quality despite partial truncation of the processing which follows hot r...  
WO/2012/036309A1
Provided is a high-strength hot-rolled steel sheet having tensile strength of 780 MPa or greater and excellent bending workability. The composition is, by mass%, C: 0.05 to 0.15%, Si: 0.2 to 1.2%, Mn: 1.0 to 2.0%, P: 0.04% or less, S: 0....  
WO/2012/036308A1
Provided is a high-strength hot-rolled steel sheet having superior punchability. The steel sheet has a composition that contains 0.050-0.15% C, 0.1-1.5% Si, 1.0-2.0% Mn, no greater than 0.03% P, no greater than 0.0030% S, 0.01-0.08% Al, ...  
WO/2012/033377A2
According to the present invention, a high manganese steel sheet to which nitrogen is added comprises at least one of 0.5 wt % to 1.0 wt % of carbon, 10 wt % to 20 wt % of manganese, 4.0 wt % or less of chrome, 0.02 wt % to 0.3 wt % of n...  
WO/2012/029631A1
Provided is a method for producing a cold-rolled steel sheet exhibiting excellent chemical conversion processability and corrosion resistance after coating in harsh corrosive environments such as in a warm salt water immersion test or a ...  
WO/2012/029812A1
Provided are: a steel wire material for a high-strength spring, which does not undergo the increase in deformation resistance arising from the increase in hardness and can exhibit good wire-drawing processability and the like even when a...  
WO/2012/029632A1
Provided is a method for producing a cold-rolled steel sheet exhibiting excellent chemical conversion processability and corrosion resistance after coating in harsh corrosive environments such as in a warm salt water immersion test or a ...  
WO/2012/017669A1
Provided is a grain-oriented electrical steel sheet having a low core loss and subjected to magnetic domain segmentation treatment in which iron loss factors are eliminated. A grain-oriented electrical steel sheet having a forsterite coa...  
WO/2012/017690A1
The present invention can provide a directional magnetic steel plate capable of further reducing iron loss of a material with a groove formed thereon for dividing a magnetic domain and capable of obtaining excellent low-iron-loss charact...  
WO/2012/017654A1
Provided is a grain-oriented electrical steel sheet exhibiting excellent low-noise property when used for an actual transformer and subjected to magnetic domain segmentation treatment by means of electron beam irradiation, wherein: the t...  
WO/2012/011598A1
Provided are a high-carbon hot-rolled steel sheet which exhibits excellent fine blanking properties until the steel sheet is wound after hot-rolling and a process for producing the high-carbon hot-rolled steel sheet. Specifically provide...  
WO/2012/008380A1
Provided are a magnesium alloy coiled material which is a coiled material formed by winding a long plate material composed of magnesium alloy, and the thickness unevenness of which is small throughout the length thereof, and a grinding m...  
WO/2012/008567A1
The disclosed hardened aluminum foil for battery collectors is characterized by containing 0.2-1.3% iron, 0.01-0.5% copper, and no more than 0.2% silicon by mass, with the remainder comprising aluminum and unavoidable impurities. Said ha...  
WO/2012/005098A1
Disclosed is a Cu-Ga alloy which comprises 25-30 mass% of Ga and a reminder made up by Cu, and which is characterized in that a γ-phase (that is a phase having a Ga concentration appearing on a structure image obtained on an electron mi...  
WO/2012/004205A1
The invention relates to a method and to a correspondingly designed production line (1) for producing a cold rolled flat steel product (E) from a scale coated hot strip (W) made of a rustproof steel. In the course of the method according...  
WO/2012/001953A1
When manufacturing a grain-oriented electromagnetic steel sheet provided with a forsterite film and tension coating on the surface thereof according to the present invention: (1) the Cr content of the grain-oriented electromagnetic steel...  
WO/2012/001971A1
Disclosed is a process for producing a grain-oriented magnetic steel sheet, the process comprising production steps that includes a final finish annealing step in which a forsterite coating film is formed on a surface of the steel sheet ...  
WO/2012/002481A1
Provided is a high-strength hot-rolled steel sheet for a spiral pipe, the hot-rolled steel sheet having excellent low-temperature toughness. The hot-rolled steel sheet comprises specific components, 0
WO/2012/002520A1
Provided is an ultrahigh-strength cold-rolled steel sheet that has a steel composition in which neither transition metal elements which considerably raise the alloy cost, such as V and Mo, nor Al, which may induce casting defects, is con...  
WO/2012/001952A1
Disclosed is an oriented electromagnetic steel plate with magnetic domain refinement by laser irradiation or electron beam irradiation, which achieves excellent low-noise and low-iron loss characteristics when assembled on an existing tr...  
WO/2011/155094A1
In the disclosed method of cold rolling an acid-washed stainless steel plate, a lubricant is used having a viscosity of 140 cst or higher at 40C, and with one rolling stand, rolling is performed with a 30% or greater rolling reduction ra...  
WO/2011/155481A1
The disclosed steel rail contains, by mass percent, 0.85-1.20 % carbon, 0.05-2.00 % silicon, 0.05-0.50 % manganese, 0.05-0.60 % chromium and ≤ 0.0150 % phosphorus, with the remainder consisting of iron and inevitable impurities. At lea...  
WO/2011/152328A1
Disclosed are: a hot-rolled high-strength steel sheet which has excellent bake curability and stretch flageability and also has a tensile strength of 590 MPa or more; and a process for producing the steel sheet. The steel sheet has a che...  
WO/2011/148754A1
Disclosed is a process for producing a thick steel sheet in which the coarsening of a structure of a surface layer part of a mother material and a structure of a thicknesswise center part of a welding-heat-affected part can be prevented,...  
WO/2011/148490A1
Disclosed is a high-strength steel sheet in which ferrite crystal grains are finely divided to achieve static strength of 750 MPa or more and which has excellent dynamic deformation properties. Specifically disclosed is a steel sheet hav...  
WO/2011/148849A1
Disclosed is a process for producing a unidirectional electromagnetic steel sheet, which employs so-called "low-temperature slab heating" that involves a nitriding treatment (step S7), wherein the temperature at which a finishing rolling...  
WO/2011/148755A1
A process for efficiently producing a steel plate for welded structures that has excellent matrix toughness and HAZ toughness is provided in which Ti is positively utilized for structural control. An ingot having a composition which has ...  
WO/2011/142285A1
Disclosed is a high-strength steel plate having superior bendability, weldability, and toughness, with yield strength of 885 MPa or greater and average absorbed energy value of 33 J/cm2 in impact tests at -40°C, and a method for produci...  
WO/2011/131377A1
The invention relates to a squeezing unit (5) for a strip rolling mill and to a strip rolling mill comprising such a squeezing unit, wherein the squeezing unit (5) has an upper roller (6) and a lower roller (7), between which a squeezing...  
WO/2011/129465A1
Disclosed is a process for producing a hot-rolled steel sheet, the process comprising a slab heating step in which a steel slab is heated in a slab heating furnace, a step in which the heated steel slab is hot-rolled with a rough roller ...  
WO/2011/122513A1
Disclosed is a ferritic stainless steel sheet formed from 0.001 - 0.03% C, 0.01 - 1.0% Si, 0.01 - 1.5% Mn, 0.005 - 0.05% P, 0.0001 - 0.01% S, 12 - 16% Cr, 0.001 -0.03% N, 0.05 -0.3% Nb, 0.03 - 0.15% Ti, 0.005 - 0.5% Al, and 0.01 - 1.0% S...  
WO/2011/122390A1
Disclosed is a method for producing a coil material that forms a coil material by winding a plate-like material consisting of a metal into a cylindrical shape. The plate-like material is a cast material of magnesium alloy discharged from...  
WO/2011/122237A1
Disclosed is a steel sheet with high tensile strength and superior ductility having tensile strength of 700 - 900 MPa and capable of avoiding abrupt failure during press molding and method for producing the same. The steel sheet with hig...  
WO/2011/115305A1
Disclosed is a metal tape material having improved characteristics in terms of a low Young's modulus, a low yield stress, and a high break elongation. Also disclosed is a metal tape material for semiconductor mounting comprising said met...  
WO/2011/111862A1
Disclosed is a method for producing oriented electrical steel sheets which contain, by mass percent, C: 0.01-0.10%, Si: 2.5-4.5%, Mn: 0.02-0.12%, Al: 0.005-0.10%, N: 0.004-0.015%, and which further contain Se: 0.005-0.06% and/or S: 0.005...  
WO/2011/111758A1
An inclusion, the major diameter of which is 3.0 µm or greater in a cross section having the plate width direction of a high-strength hot-rolled steel plate as the normal, wherein the maximum value of the major diameter/minor diameter r...  
WO/2011/108694A1
Disclosed is a processed high-purity copper material which comprises Cu having a purity of 99.9999 mass% or more and has an average crystal particle diameter of 20 μm or less, wherein the ratio of an area occupied by crystal particles h...  
WO/2011/105609A1
Provided are a metallic material, e.g., an electromagnetic material (magnetic steel sheet), that has a processed surface along which crystal axes <001> of the metallic material have been distributed by controlling the distribution of the...  
WO/2011/105591A1
A stainless steel having an optimal low chromium content is provided in which a weld formed by multipass welding is prevented from deteriorating in corrosion resistance by martensitic transformation and the weld has excellent resistance ...  
WO/2011/099426A1
Disclosed is a pure copper plate production method wherein post-hot-forging and post-hot-rolling cold forging and cold rolling, and subsequent heat processing are unnecessary. Further disclosed is a pure copper plate having a fine struct...  
WO/2011/099408A1
Disclosed is a thick steel plate production method wherein: a steel piece having a specified component composition is heated to 1000-1200˚C; then, with the plate-thickness centre temperature at 950-1200˚C, initial rolling is carried ou...  
WO/2011/096456A1
Disclosed is a thick steel plate production method wherein: a steel piece having a specified component composition is heated to 1000-1200˚C; then, with the plate-thickness centre temperature at 950-1200˚C, initial rolling is carried ou...  
WO/2011/096294A1
Disclosed is a magnesium alloy plate comprising an Al-containing magnesium alloy. The magnesium alloy plate has, dispersed therein, intermetallic compound particles containing at least one of Al and Mg, and also has, formed on substantia...  
WO/2011/096454A1
Disclosed are: a highly corrosion-resistant cold-rolled ferrite stainless steel sheet having excellent toughness, which is characterized by having a Charpy impact value of 100 J/cm2 or more at -50°C when the ferrite stainless steel shee...  
WO/2011/093319A1
A high-strength cold-rolled steel sheet comprising (in mass%) 0.10 to 0.40% of C, 0.5 to 4.0% of Mn, 0.005 to 2.5% of Si, 0.005 to 2.5% of Al, 0 to 1.0% of Cr, and iron and unavoidable impurities which make up the remainder, wherein the ...  

Matches 501 - 550 out of 7,444