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WO/2018/110850A1 |
The present invention relates to a high-strength wire rod superior in impact toughness and a manufacturing method therefor and, more particularly, to a high-strength wire rod having superior impact toughness, which can be preferably used...
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WO/2018/110906A1 |
The present invention relates to a hot-rolled steel sheet suitable for construction, tools, vehicle parts, and the like and, more particularly to a high-carbon hot-rolled steel sheet having an excellent surface quality and a manufacturin...
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WO/2018/110853A1 |
The present invention relates to a high strength dual phase steel having excellent low temperature range burring properties, and a method for producing the same. More specifically, the present invention relates to a high strength dual ph...
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WO/2018/110676A1 |
Provided is a grain-oriented electrical steel sheet having a forsterite coating film on a ferrite surface, wherein the grain-oriented electrical steel sheet has a Cr-depleted layer having a Cr concentration 0.70-0.90 times the Cr concent...
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WO/2018/110785A1 |
Disclosed are ferritic stainless steel having an excellent ridging property and surface quality of a final product by changing a microstructure of a central portion of a cross section by further performing cold rolling before a heat trea...
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WO/2018/110866A1 |
Disclosed are a ferrite-based stainless steel having improved impact toughness and a method for producing the same. A ferrite-based stainless steel according to an embodiment of the present invention comprises 18.0 to 20.0 wt% of Cr, 0.4...
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WO/2018/108747A1 |
The invention relates to a section for quick cooling of a continuous line for treating metal belts, in which the belt is cooled by spraying a liquid, or a mixture of a gas and a liquid, onto same via nozzles arranged on either side of th...
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WO/2018/109034A1 |
The invention relates to a method for producing locally hardened steel sheet components. Steel sheet components are guided through a heating furnace, and the heating furnace is divided into two furnace regions (7, 8) which are arranged o...
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WO/2018/110851A1 |
Disclosed are a wire rod and a manufacturing method therefor, the wire rod comprising, by weight %: 0.05-0.20% of C, 0.2% or less of Si, 5.0-6.0% of Mn, 0.020% or less of P, 0.020% or less of S, 0.010-0.050% of Al, 0.010-0.020% of N, and...
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WO/2018/107473A1 |
An annealing and heat treatment method for a steel wire, sequentially comprising steps of: heating, drawing, annealing, tempering, straightening, polishing, and applying an oil. The annealing method for a steel wire comprises steps of: (...
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WO/2018/103841A1 |
The invention relates to a device (100) for the temperature control of a component (101). The device (100) comprises a temperature control zone (106), along which the component (101) is movable in a conveying direction (102). The tempera...
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WO/2018/105003A1 |
A high strength steel sheet wherein: the chemical composition is, in mass%, C: 0.10-0.24%, Mn: 3.50-12.00%, Si: 0.005-5.00%, Al: 0.005-5.00%, P: 0.15% or less, S: 0.030% or less, N: 0.020% or less, O: 0.010% or less, Cr: 0-5.00%, Mo: 0-5...
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WO/2018/106244A1 |
A method for cavitation peening of an internal surface of a hollow metal part including an internal surface is provided. The method includes installing a first seal in sealing contact with the internal surface; installing a second seal a...
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WO/2018/103087A1 |
A method for manufacturing a high-nitrogen austenitic stainless steel propeller casting for a ship, comprising the following steps: S1, selecting molten steel for austenitic stainless steel preparation under a refined and to-be-cast stat...
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WO/2018/105944A1 |
The present invention relates to a high strength steel wire and, more specifically, to a steel wire and a method for manufacturing the same, which can skip a heat treatment and have a high corrosion resistance as well as a high strength.
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WO/2018/103079A1 |
A heat treatment process for increasing the resilience of a bearing steel, comprising the following steps: S1 annealing: a steel material is kept warm at 880-1000 °C for 4-6 h, with the temperature being cooled at a rate of 25-45 °C/h ...
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WO/2018/105461A1 |
Provided are an induction heating coil supporting structure and an induction heating device, whereby an induction heating coil surface is not formed of a gas-generating coating film for insulation, and the occurrence of movement of an in...
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WO/2018/106016A1 |
One aspect of the present invention relates to a wire rod for springs with high strength and excellent corrosion fatigue resistance, in which a combination of Cr, Cu, and Ni content is controlled to an appropriate level, the maximum dept...
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WO/2018/101402A1 |
The R-T-B sintered magnet according to one embodiment of the present invention has a composition comprising: 27-37 mass% of R (R represents at least one of the rare-earth elements and essentially includes Nd and/or Pr); 0.75-0.97 mass% o...
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WO/2018/101451A1 |
Provided is a steel for soft nitriding having a component composition including 0.01% to 0.10% C, 1.0% or less of Si, 0.5% to 3.0% Mn, 0.02% or less of P, 0.06% or less of S, 0.30% to 0.9% Cr, 0.005% to 0.200% Mo, 0.02% to 0.50% V, 0.003...
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WO/2018/098700A1 |
A manufacturing method for a screw bit. The screw bit comprises a head portion (10) for a slot of a screw head and a base body (20) used for supporting the head portion (10). The manufacturing method comprises: providing a screw bit made...
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WO/2018/098485A1 |
A method for processing a press hardenable steel includes first heating a slab of the press hardenable steel. The slab is heated to a re-heat furnace temperature of approximately 2300 °F. The slab is subjected to rolling into a steel sh...
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WO/2018/097200A1 |
This method for manufacturing a quenched molding comprises: a first heat treatment step of austenitizing a blanked steel material by heating to a temperature higher than the Ac3 transformation point and then causing martensitic transform...
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WO/2018/097100A1 |
Provided are: a grain-oriented electromagnetic steel sheet which exhibits excellent magnetic characteristics and excellent coating film adhesion after strain relieving annealing; and a method for producing this grain-oriented electromagn...
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WO/2018/095825A1 |
The invention relates to a method and to a device for quickly heating steel sheet blanks for the purpose of hot forming and hot stamping, wherein heating apparatuses (1, 20, 21) are present, and the heating apparatuses (1, 20, 21) each a...
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WO/2018/095826A1 |
The invention relates to a method and to a device for rapid heating of steel plate profiles or steel tubes for the purpose of heating together with subsequent quench hardening, wherein there are heating devices (1, 20, 21) and the heatin...
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WO/2018/096342A1 |
A tool holder 100 for positioning a tool 10 is provided. The tool 10 comprising heater means 1 arrangeable to heat a part 3 of a substrate 2, 3, 4. The tool holder 100 comprises a member 120 having a handle 124 at one end and a foot 1 14...
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WO/2018/091039A1 |
The invention relates to a method for producing a wheel disc from a dual-phase steel, having improved cold workability of cold-solidified, mechanically separated sheet metal edges, comprising the following method steps: - providing a hot...
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WO/2018/093504A1 |
A method of controlling the cooling rate of a melt pool of a powder bed includes directing a first laser beam (5) on the powder bed to form a melt pool; coaxially aligning a second laser beam (6) with the first laser beam (5); and latera...
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WO/2018/092735A1 |
Provided is a high strength steel sheet that has a composition range including 0.001-0.200% of Ti and/or 0.001-0.200% of Nb among other components and has a steel structure wherein ferrite is present at an area ratio of 20% or more, the ...
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WO/2018/092817A1 |
After adopting a predetermined constituent composition, this steel microstructure is set to have, in terms of surface area ratio, 35% to 80% ferrite, 5% to 25% martensite, and in terms of volume ratio, at least 8% retained austenite, the...
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WO/2018/091038A1 |
The invention relates to a method for producing a chassis part from micro-alloyed steel, having an improved cold workability of cold-solidified, mechanically separated sheet-metal edges, comprising the following method steps: - providing...
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WO/2018/092898A1 |
Provided are a sheet-passing method for a steel sheet, production equipment for a thin steel sheet, and a production method for a steel sheet that make it possible to reduce product production costs by suppressing the occurrence of quali...
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WO/2018/091924A1 |
A method of stirring and apparatus for stirring are provided. The method includes: a) providing a number of electromagnetic stirrer units, each stirrer unit being moveably mounted on a stirrer support carriage; b) providing a number of l...
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WO/2018/092360A1 |
Provided are a sheet-passing method for a steel sheet and production equipment for a thin steel sheet that make it possible to reduce product production costs by suppressing the occurrence of quality abnormalities in the surfaces of stee...
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WO/2018/093207A1 |
A construction machine part comprises: a body including a low alloy cast steel; and a wear-resistant tip which is cast and connected to one end of the body and comprises a white cast iron. The construction machine part comprises differen...
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WO/2018/091381A1 |
The invention relates to a furnace (10) for heating metal strips, and to a device (1) and a method for producing metal strips by continuous casting and rolling. The device (1) comprises a casting machine (2), a furnace (10) through which...
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WO/2018/092816A1 |
After adopting a predetermined constituent composition, this steel microstructure is set to have, in terms of surface area ratio, 15% to 55% ferrite and 15% to 30% martensite, and in terms of volume ratio, at least 12% retained austenite...
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WO/2018/087191A1 |
The invention relates to a temperature control station (1) for partially thermally treating a metal component (2), comprising a machining plane (3) which is arranged in the temperature control station (1) and on which the component (2) c...
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WO/2018/086658A1 |
The invention relates to a method for producing a rolling bearing ring having an improved robustness against the formation of white etching cracks (WEC), wherein the rolling bearing component, which is made of a sub-eutectoid, heat-treat...
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WO/2018/088421A1 |
Provided are: a high-strength cold-rolled thin steel sheet which has a tensile strength of 980 MPa or more, while exhibiting high ductility and high stretch flangeability; and a method for producing this high-strength cold-rolled thin st...
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WO/2018/083035A1 |
The invention relates to a steel product for low-temperature use having a minimum notch impact work at -196 °C in the transverse direction of ≥ 50 J/cm2, having the following chemical composition in wt%: C: 0.01 to < 0.3, preferably 0...
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WO/2018/084198A1 |
Exceptional magnetic properties can be obtained stably for a grain-oriented electrical steel sheet manufactured from a thin slab without using an inhibitor-forming component. Provided is a method for manufacturing a grain-oriented electr...
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WO/2018/084193A1 |
An apparatus for annealing alloy ribbon, the apparatus comprising: an unwinder unwinding an alloy ribbon from a spool of the alloy ribbon; a heating member comprising a first flat surface, on which the alloy ribbon unwound by the unwinde...
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WO/2018/085672A1 |
A cold-rolled ultra-high strength, multi-phase structured steel is disclosed with improved stamping and forming performance during manufacturing processes, while possessing one or more of the following properties: excellent castability a...
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WO/2018/084203A1 |
The present invention makes it possible to stably achieve excellent magnetic characteristics of grain-oriented electrical steel sheets produced from thin slabs without using inhibitor forming components. This method for producing a grain...
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WO/2018/079398A1 |
Provided is a method for manufacturing an electric resistance welded steel pipe for a high-strength thin hollow stabilizer. A hot rolled sheet is prepared by heating a steel material having a composition containing, on a mass basis, 0.20...
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WO/2018/079111A1 |
Provided are: a seamless pipe of martensitic stainless steel for an oil well pipe, said seamless pipe having high strength and exceptional resistance to sulfide stress corrosion cracking; and a method for producing the seamless pipe. A s...
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WO/2018/079845A1 |
This grain-oriented electromagnetic steel sheet has a steel sheet and an insulative coating formed on the surface of the steel sheet, wherein the insulative coating contains a phosphoric acid metal salt and colloidal silica, the containe...
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WO/2018/078844A1 |
This method for producing a steel member includes: a step for heating, in a carburizing atmosphere, a steel sheet so as to form a carburizing layer on the surface of the steel sheet, the steel sheet having a chemical composition containi...
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