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Matches 1 - 50 out of 42,521

Document Document Title
WO/2018/126471A1
A self-collapsed protective coating composition and use thereof are provided. The coating composition for hot stamping of steel material comprises a film forming binder, a pigment, a stripping agent, and a solvent. The coating compositio...  
WO/2018/124379A1
The present invention relates to a quenching apparatus which can quickly reverse a flow of a cooling gas flowing inside a chamber. The quenching apparatus comprises: a chamber which has a gas inlet port and a gas outlet port and into whi...  
WO/2018/123831A1
A plated steel sheet for hot pressing, and a method for manufacturing the same, the plated steel sheet for hot pressing having: a plated steel sheet body having a steel sheet and an aluminum plating layer provided on one or both surfaces...  
WO/2018/123469A1
The method for manufacturing a bearing pertaining to an embodiment of the present invention is provided with: a preparation step (S10) for preparing a steel-made ring-shaped member (1) having an inside-diameter face (12), an outside-diam...  
WO/2018/121608A1
A device for conducting heat treatment on a non-crystalline material through a high frequency method, comprising: a high-frequency induction heating coil (4), a temperature inductor (5), a temperature controller (7), a controller (9), a ...  
WO/2018/123904A1
The purpose of the present invention is to provide a water-based quenching liquid composition that has a slow cooling rate and can suppress quench cracking. Provided is a water-based quenching liquid composition comprising water (A), a s...  
WO/2018/123758A1
A crawler bearing bush (40) has an annular shape including an inner circumferential surface (41), an outer circumferential surface (42), a first end surface (43), and a second end surface (44) disposed on the side axially opposite the fi...  
WO/2018/120359A1
Disclosed are a device and method for follow-up-type laser shocking peening with a coaxial laser and light, same using follow-up-type absorption belt conveying. By means of water of a certain pressure sprayed from a water spray device, a...  
WO/2018/120361A1
Disclosed is a follow-up-type device for laser shock peening, comprising a light path input module (2), a belt-conveying module (4), a focusing module (6) and a water-spraying module (9). One end of the light path input module (2) is con...  
WO/2018/122679A1
The invention deals with a tempered and coated steel sheet having a composition comprising the following elements, expressed in percentage by weight: 0.17% ≤ carbon ≤ 0.25 %, 1.8 % ≤ manganese ≤ 2.3%, 0.5 % ≤ silicon ≤ 2.0 %,...  
WO/2018/124380A1
The present invention relates to a vacuum heat treatment apparatus enabling an object to be inserted into or recovered from a heating chamber or a cooling chamber by means of a transferring means. The vacuum heat treatment apparatus comp...  
WO/2018/123246A1
In the heat treatment apparatus (1) according to the present disclosure, workpiece (W), which has been heated in a heating chamber (2), is immersed in a cooling oil (Y) retained in an oil tank (30a) so as to be cooled, the apparatus comp...  
WO/2018/114498A1
The invention relates to a method for producing a steel substrate having a modified Zn protective coating, comprising the following steps: providing a steel substrate, applying a Zn protective coating by means of electrolysis such that a...  
WO/2018/117545A1
The present invention relates to a steel material for pressure vessels used in a hydrogen sulfide atmosphere, and relates to a steel material for pressure vessels which has excellent resistance to hydrogen induced cracking (HIC) and a ma...  
WO/2018/117476A1
Disclosed is a shot ball having excellent strength and wear resistance. The shot ball according to an embodiment of the present invention comprises, in terms of weight%, 0.09-1.3% of carbon (C), 3-29% of manganese (Mn), 1.0-8.0% of chrom...  
WO/2018/114867A1
The present disclosure relates to the use of a solution-annealed object comprising a duplex stainless steel, having the following composition in weight% (wt %): C less than or equal to 0.03; Si less than or equal to 0.5; Mn less than or ...  
WO/2018/117449A1
Provided are: a heavy-walled steel material having 450MPA-grade tensile strength and excellent resistance to hydrogen induced crack; and a method for manufacturing the same. The heavy-walled steel material of the present invention compri...  
WO/2018/117544A1
One aspect of the present invention relates to a tempered martensitic steel having a low yield ratio and an excellent uniform elongation, the tempered martensitic steel: comprising, by wt%, 0.2-0.6% of C, 0.01-2.2% of Si, 0.5-3.0% of Mn,...  
WO/2018/117674A1
A grain-oriented electrical steel sheet according to an embodiment of the present invention comprises, in terms of weight%, 1.0-7.0% of Si, 0.005-0.5% of Y, and the remainder Fe and other unavoidable impurities, wherein the oriented elec...  
WO/2018/117495A1
Disclosed are a pressure vessel steel sheet and a method for manufacturing the same, the steel sheet comprising: by wt%, 0.10-0.20% of C, 0.15-0.40% of Si, 1.15-1.50% of Mn, 0.45-0.60% of Mo, 0.03-0.30% of Cu, 0.025% or less of P, 0.025%...  
WO/2018/117673A1
An annealing separator composition for a grain-oriented electrical steel sheet, a grain-oriented electrical steel sheet, and a method for producing a grain-oriented electrical steel sheet are provided. Contained on the basis of 100% of t...  
WO/2018/115935A1
The invention deals with a tempered and coated steel sheet having a composition comprising the following elements, expressed in percentage by weight: 0.17% ≤ carbon ≤ 0.25 % 1.8 % ≤ manganese ≤ 2.3% 0.5 % ≤ silicon ≤ 2.0 % 0....  
WO/2018/118035A1
A system for manufacturing a wire coil includes a source of metal wire; an induction heater configured to continuously receive the metal wire and heat the metal wire to a target temperature as the metal wire passes through the induction ...  
WO/2018/117507A1
An aspect of the present invention relates to a low-yield ratio steel sheet having excellent low-temperature toughness, the steel sheet comprising, in terms of weight%, 0.05-0.1% of C, 0.3-0.7% of Si, 1.0-2.0% of Mn, 0.005-0.04% of Al, 0...  
WO/2018/115936A1
The invention deals with a tempered and coated steel sheet having a composition comprising the following elements, expressed in percentage by weight: 0.17% ≤ carbon ≤ 0.25 % 1.8 % ≤ manganese ≤ 2.3% 0.5 % ≤ silicon ≤ 2.0 % 0....  
WO/2018/117015A1
Provided is a non-thermal refined steel for nitrocarburizing that provides nitrocarburized parts having excellent bending fatigue strength and straightenability after nitrocarburizing treatment. This non-thermal refined steel for nitroca...  
WO/2018/115925A1
The invention deals with a steel section, comprising a web central portion connected on each side to a flange portion having a thickness of at least 100mm, such steel section having a composition comprising, in weight percentage: C : 0.0...  
WO/2018/115298A1
A method for manufacturing a steel component from a blank is provided. Firstly,a blank is placed in a conveyor system. Then, at least a preselected zone of the blank is preheated while the blank is retained at a predetermined preheating ...  
WO/2018/117767A1
An aspect of the present invention relates to a high-strength steel material, having enhanced resistance to brittle crack propagation and break initiation at a low temperature, which comprises in weight % 0.01-0.07% of C, 0.002-0.2% of S...  
WO/2018/117480A1
An austenitic stainless steel processed product having excellent surface characteristics, and a manufacturing method therefor are disclosed. The disclosed austenitic stainless steel processed product comprises an austenitic stainless ste...  
WO/2018/115945A1
The present invention relates a method for the manufacture of a galvannealed steel sheet.  
WO/2018/117727A1
An aspect of the present invention relates to a thick steel plate having excellent low-temperature impact toughness and CTOD characteristics, the thick steel plate comprising, by weight %: 0.02-0.06% of C, 0.005-0.08% of Si, 1.0-2.0% of ...  
WO/2018/116099A1
The invention deals with a tempered and coated steel sheet having a composition comprising the following elements, expressed in percentage by weight: 0.17% ≤ carbon ≤ 0.25 %, 1.8 % ≤ manganese ≤ 2.3%, 0.5 % ≤ silicon ≤ 2.0 %,...  
WO/2018/108806A1
The invention relates to a device (1) for transporting at least one heated component (2). The device (1) comprises at least the following components: - at least one frame (3) which defines a transport plane (4) on which the component (2)...  
WO/2018/107316A1
A heat treatment method for ultra-high-carbon bearing steel. The bearing steel comprises the components of: C: 1.5%-2.5%; Mn: 0.6%-1.2%; V: 0.01%-0.1%; B: 0.1%-1.0%; Be: 0.1%-0.24%; Ni: 0.2%-1.8%; Si: 1.2%-1.8...  
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...  
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...  
WO/2018/103088A1
A bearing steel heat treatment process, comprising: normalizing treatment; annealing treatment; quenching treatment; freezing treatment; and tempering treatment. Segmented heating is used for normalizing, annealing, and tempering. Heat-t...  
WO/2018/103090A1
A high-nitrogen stainless bearing steel heat treatment process. The process comprises the following steps: S1: selecting a high-nitrogen steel liquid as a base raw material; S2: providing multiple sand pools, the temperatures of the sand...  
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 ...  
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...  
WO/2018/103080A1
A heat treatment process for a high-carbon chromium bearing steel. The composition of the high-carbon chromium bearing steel comprises raw materials of the following mass percentages: C: 1.1%-2.2%; Mn: 0.1%-1.0%; B: 0.3%-1.3%; Ni: 0.1%-1...  
WO/2018/099819A1
The invention relates to a method for hot-forming a steel blank into an article comprising the steps of: a. heating a steel blank to a temperature T1 and holding the heated blank at T1 during a time period t1, wherein T1 is in the range ...  
WO/2018/101636A1
The present invention provides a metal material cooling apparatus comprising: a spray cooling part for spraying a cooling medium to the surface of the metal material; and a spray angle adjusting part connected to the spray cooling part, ...  
WO/2018/101436A1
This method for manufacturing a heat-treated metal plate is provided with: a step A for starting heating of a metal plate by means of induction heating; a step B for heating, after the step A, the metal plate by means of induction heatin...  
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...  
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...  
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...  
WO/2018/095085A1
A marine atmosphere corrosion resisting and seawater splashing corrosion resisting F690 steel plate with a thickness of 210 mm and easy to weld, and a preparation method therefor. With Fe as the basic element, the marine atmosphere corro...  
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...  

Matches 1 - 50 out of 42,521