Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 651 - 700 out of 97,295

Document Document Title
WO/2018/061526A1
Provided is a method of manufacturing a laser welded joint with which the occurrence of cracking in a bead terminal end portion is suppressed, and which has an excellent appearance. In this method of manufacturing a laser welded joint, f...  
WO/2018/061101A1
For the steel according to an embodiment of the present invention, the chemical components contain, in mass% units, C: 0.15%–0.40%, Mn: 0.10%–1.50%, S: 0.002–0.020%, Ti: 0.005%–0.050%, B: 0.0005–0.0050%, Bi: 0.0010%–0.0100%, ...  
WO/2018/055687A1
The steel plate pertaining to an embodiment of the present invention contains a predetermined chemical component, the metallographic structure in a 1/4t part includes 4-70% by volume of residual austenite, [Mn]γ/[Mn]ave > 1.5 in the 1/4...  
WO/2018/054787A1
Cold-rolled and heat-treated steel sheet, having a composition comprising, by weight percent: 0.10% ≤ C ≤ 0.40%, 3.5% ≤ Mn ≤ 8.0%, 0.5% ≤ Si ≤ 2.5%, 0.003% ≤ Al ≤ 3.0%, with Si+Al ≥ 0.8%, 0.001% ≤ Mo ≤ 0.5%, S ≤ 0...  
WO/2018/055937A1
Provided is a steel pipe which is for an accumulator and has excellent thermal cracking resistance. The steel pipe for an accumulator has a specific composition, and has a metallic structure in which the average particle size of prior au...  
WO/2018/056282A1
Provided is a sliding component having excellent sliding properties. Also provided are a sliding structure provided with this sliding component and a method for sliding the sliding structure. The sliding component has a constituent compo...  
WO/2018/056332A1
Provided is a shaft component exhibiting excellent static torsional strength and torsional fatigue strength. Thus, a shaft component having a chemical composition satisfying formula (1) and containing as essential elements, in mass%, C i...  
WO/2018/055695A1
This steel sheet has a predetermined chemical composition and has a steel structure represented, in volume fraction, by a total of 70% or more and less than 92% of tempered martensite and bainite, 8% or more and less than 30% of retained...  
WO/2018/056884A1
The invention relates hot work tool steel. The steel comprises the following main components (in wt. %): C 0.26-0.38 Si 0.1-0.3 Mn 0.1-0.8 Cr 1.4-3.9 Mo 2.0-3.0 W 0.8-1.5 Ni 0.6-1.7 V 0.1-0.4 balance optional elements, iron and impurities.  
WO/2018/056333A1
Provided is a carburized shaft component characterized by having a prescribed composition, having a C content of 0.60-1.00 mass% in the surface layer section thereof, having one or more holes in the outer-circumferential surface thereof,...  
WO/2018/054742A1
The invention relates to a method enabling the production of flat steel products which, after a 5% biaxial deformation on one of the surfaces, have a Wsa(1-5) value of <0.35 μm, a planar anisotropy Δr of -0.5 - +0.5, and a nano-hardnes...  
WO/2018/055098A1
A method to manufacture a hot-rolled high-strength steel sheet or strip with tensile strength of 570 MPa or higher, or preferably 780 MPa or higher, or even more preferably 980 MPa or higher, with an excellent combination of tensile elon...  
WO/2018/056792A1
An aspect of the present invention relates to a cold-rolled steel plate for hot forming, which is excellent in corrosion-resistance and spot-weldability, contains, by weight %, C: 0.1-0.4%, Si: 0.5-2.0%, Mn: 0.01-4.0%, Al: 0.001-0.4%, P:...  
WO/2018/056429A1
Provided is a method of manufacturing a sintered compact for forming a rare earth sintered magnet of a desired shape with high magnetic properties by suppressing variations in magnetic structure caused by pressurization, which is a disad...  
WO/2018/056379A1
The purpose of the present invention is to provide a grain-oriented electrical steel sheet that has outstanding magnetic properties and that can be manufactured through two-dimensional recrystallization orientation control by coil anneal...  
WO/2018/055425A1
Cold-rolled and heat-treated steel sheet, having a composition comprising, by weight percent: 0.10% ≤ C ≤ 0.40%, 3.5% ≤ Mn ≤ 8.0%, 0.5% ≤ Si ≤ 2.5%, 0.003% ≤ Al ≤ 3.0%, with Si+AI ≥ 0.8%, 0.001 % ≤ Mo ≤ 0.5%, S ≤ ...  
WO/2018/053940A1
A non-magnetic steel product and a powder metallurgy manufacturing method therefor. The powder metallurgy manufacturing method comprises the following steps: preparing an Fe-Mn pre-alloyed powder, the Fe-Mn pre-alloyed powder comprising ...  
WO/2018/056390A1
Provided is a method for manufacturing a sintered body for forming a sintered magnet, the method improving conformity to a sintering mold during sintering and also preventing the development of cracks in a molded body. A method for manuf...  
WO/2018/050637A1
The invention relates to a method for producing a flexibly rolled flat steel product made of a high-strength manganese steel and having final thicknesses that vary as required from section to section. In order to achieve a high maximum d...  
WO/2018/052107A1
Provided are: a magnetic core that exhibits a high initial permeability and a small magnetic core loss and is further able to reduce magnetic core loss at high frequencies; and a coil component using same. This magnetic core is formed by...  
WO/2018/050387A1
The invention relates to a method for producing a component from a medium manganese flat steel product having 4 to less than 10 wt% Mn, 0.0005 to 0.9 wt% C, 0.02 to 10 wt% Al, the remainder iron, including unavoidable steel-accompanying ...  
WO/2018/051854A1
Provided is a blade material having high strength. A blade material which contains, in % by mass, 0.5 to 0.8% of C, 1.0% or less of Si, 1.0% or less of Mn, 11 to 15% of Cr, 0.1 to 0.8% of V and a remainder made up by Fe and unavoidable i...  
WO/2018/051359A1
The present invention provides an aluminium based SiMoFeAl intermetallic alloy with improved mechanical properties for casting applications, comprising a composition, in addition to greater than about 50 weight % iron; aluminium, from ab...  
WO/2018/051823A1
The present invention relates to a wire for electroslag welding, which is characterized by containing, in mass% relative to the total mass of the wire, more than 0% but 0.07% or less of C, more than 0% but 0.50% or less of Si, more than ...  
WO/2018/052089A1
A wear resistant steel which has a specific chemical composition and wherein: the contents (mass%) of Mo and B satisfy Mo × B > 0.0010; the mass fraction of Mo2FeB2 is 0.0010% to 0.10%; the area ratio of martensite in the central part i...  
WO/2018/052108A1
Provided are: a magnetic core having a high initial permeability; and a coil component using same. This magnetic core exhibits, in an X-ray diffraction spectrum, a peak intensity ratio (P1/P2) of not higher than 0.015 between a peak inte...  
WO/2018/051402A1
A steel sheet of an embodiment of the present invention has chemical components within specific ranges. The metal structure of 1/4 of the sheet thickness of the steel sheet includes, by unit area%: 10% or greater but less than 50% of fer...  
WO/2018/050634A1
The invention relates to a method for producing a component from a medium-manganese flat steel product with 4 to 12 wt% Mn, preferably more than 5 to less than 10 wt% Mn, and with TRIP/TWIP effect. In order to improve the degrees of defo...  
WO/2018/050683A8
The invention relates to a method for producing a flat steel product made of a medium manganese steel having a TRIP/TWIP effect. The aim of the invention is to achieve an improvement in the yield strength when a sufficient residual defor...  
WO/2018/051483A1
[Problem] To provide continuous casting technology with which it is possible to reliably and remarkably reduce surface defects in a cold-rolled steel plate caused by the inclusion of foreign matter in a solidifying shell. [Solution] A co...  
WO/2018/052135A1
The purpose of the present invention is to provide a metal mask material which has a very small number of fine oxide-based nonmetallic inclusions and is capable of exhibiting excellent etching processability. Provided are: a metal mask m...  
WO/2018/051599A1
In order to provide a technique whereby the mechanical characteristics of a spring having carbon steel as the material thereof can be further enhanced, a spring material is configured so as to contain, in terms of mass%, 0.4%-0.9% C, 0.1...  
WO/2018/050683A1
The invention relates to a method for producing a flat steel product made of a medium manganese steel having a TRIP/TWIP effect. The aim of the invention is to achieve an improvement in the yield strength when a sufficient residual defor...  
WO/2018/047723A1
The present invention provides a clad welded pipe with which the mechanical properties of the pipe itself are improved by reducing the width of a welded portion, and the function of which as a clad pipe is not compromised. The present in...  
WO/2018/047787A1
[Problem] To provide an Fe-based shape memory alloy material which has excellent workability, excellent super elasticity, and an excellent shape memory effect, and also has remarkably low temperature dependency and excellent oxidation re...  
WO/2018/047923A1
A sintered bearing is prepared by sintering a powder compact containing a partial diffusion alloy powder, a unitary copper powder, a low-melting-point metal powder having a lower melting point than copper, and graphite powder. In the par...  
WO/2018/048161A1
According to the present invention, a method for manufacturing steel comprises the steps of: preparing a first molten steel and molten metal, which contains manganese; supplying nitrogen gas into a repository and blowing nitrogen into th...  
WO/2018/047955A1
Provided are: a case-hardened steel suitable as a material for manufacturing a mechanical structural part having high rotary bending fatigue strength and impact fatigue strength at relatively low cost; and a method for producing the case...  
WO/2018/047891A1
The present invention relates to a method for producing a hot-dipped galvanized steel sheet or alloyed hot-dipped galvanized steel sheet by continuously subjecting a base steel sheet that contains Si to an annealing process and a plating...  
WO/2018/047722A1
Provided is an electric-resistance-welded clad steel pipe whereby a region in which a solidification structure having a particularly large effect on characteristics is formed in a weld is reduced, and function as a clad pipe is also not ...  
WO/2018/043456A1
To provide: a high strength cold-rolled steel sheet which has a tensile strength of at least 980 MPa, has both high ductility and high hole-expandability, and exhibits excellent resistance welding properties; and a method for manufacturi...  
WO/2018/043570A1
Provided are a steel and an oil well steel pipe which have excellent SSC resistance, even in a high pressure H2S environment. This steel contains 0.15-0.45% of C, 0.10-1.0% of Si, 0.10-0.8% of Mn, at most 0.050 of P, at most 0.010% of S,...  
WO/2018/043214A1
Provided is a duplex stainless steel having excellent corrosion resistance, in which excellent carbon dioxide corrosion resistance, excellent sulfide stress corrosion cracking resistance, and excellent sulfide stress cracking resistance ...  
WO/2018/041030A1
Sucker rod steel, a heat treatment process therefor, and a manufacturing method comprising the heat treatment process. The sucker rod steel comprises, in mass percent, the following chemical elements: C: 0.10-0.20%, Si: 0.40-0.80%, Mn: 0...  
WO/2018/043309A1
To provide a ferritic stainless steel having good corrosion resistance as well as exhibiting good brazing properties when high-temperature brazing using an Ni-containing brazing material is performed. The present invention is configured ...  
WO/2018/043351A1
A nanocrystal production method comprising a light irradiation step in which a surface of a metal material immersed in water is irradiated with light, thereby forming nanocrystals on the surface, said metal material containing iron. The ...  
WO/2018/041775A1
The invention relates to a recycling method for producing powders containing magnetic alloys, having the following steps: a) providing a magnetic alloy from scrap magnetic material comprising a1) at least one rare-earth metal, a2) at lea...  
WO/2018/040859A1
A 70 mm-thickness Q960E ultra high strength steel production method comprises steps of slab heating, quenching and tempering. A chemical composition of the steel comprises C: 0.14-0.16%,Si: 0.2-0.3%,Mn: 1.1-1.2%,P ≤ 0.008%,S ...  
WO/2018/043474A1
The component composition of this high-strength steel plate contains, in mass%, C: 0.08-0.35%, Si: 0.50-2.50%, Mn: 1.50-3.00%, P: 0.001-0.100%, S: 0.0001-0.0200%, and N: 0.0005-0.0100%, the remainder being Fe and unavoidable impurities; ...  
WO/2018/043067A1
A thick steel sheet: which contains C: 0.04-0.06 mass%, Si: 0.35-0.45 mass%, Mn: 1.49-1.59 mass%, P: greater than 0 mass% to 0.01 mass%, S: greater than 0 mass% to 0.002 mass%, Cu: 0.23-0.33 mass%, Al: 0.02-0.06 mass%, Ni: 0.24-0.34 mass...  

Matches 651 - 700 out of 97,295