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WO/2024/086500A1 |
A process and assembly for heat treating portions of a steel article, such as an advanced high strength (AHSS) steel. In an initial operation, the invention provides for positioning of heating elements at locations along such as a blank ...
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WO/2024/083497A1 |
The invention provides an elongated steel wire, the elongated steel wire comprises a steel filament and a zinc coating covering the steel filament, the elongated steel wire having a tensile strength of more than 2200MPa, and the elongate...
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WO/2024/080327A1 |
Provided is a hot-rolled steel sheet: that has a desired chemical composition; in which a metal structure thereof at a 1/4 position in the sheet thickness direction from a surface consists of, in terms of area%, less than 3.0% of residua...
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WO/2024/078291A1 |
Disclosed in the present application are a method and device for repairing damage on a mounting surface of an axle box body. The method comprises the following steps: acquiring a size measurement result of a corrosion pit at a damaged po...
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WO/2024/079296A1 |
The disclosure describes a component (100) for a mechanical device. The component (100) is made at least partly of steel and has one or more circular holes (102-105) for receiving a screw. Furthermore, for each circular hole (102-105) th...
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WO/2024/078162A1 |
Provided in the present invention are an invar wire heat treatment apparatus and method. The invar wire heat treatment apparatus provided in the present invention comprises a continuous heating furnace, wherein the heating furnace is pro...
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WO/2024/080657A1 |
The present invention relates to a material applied to vehicle members and, more specifically, to a cold-rolled steel sheet and a plated steel sheet, having highly excellent bending properties, and methods for manufacturing same.
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WO/2024/077679A1 |
A controlled cooling process for a piston made of non-quenched and tempered steel, and a device for the controlled cooling process. The process comprises: measuring the temperature of a forged piston, the product being a qualified produc...
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WO/2024/080326A1 |
This method for manufacturing a high-strength component having exceptional resistance to hydrogen embrittlement comprises: a step for forming an additively manufactured body in which the volume density of the molded object is 99.9% or hi...
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WO/2024/075314A1 |
The objective of the present invention is to provide a coil spring manufacturing method with which it is possible to suppress variations in quality. A coil spring manufacturing method according to the present invention involves processin...
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WO/2024/075433A1 |
Provided is a seamless steel pipe in which the difference between the strength at full wall thickness and the strength in a post-cutting state is low. This seamless steel pipe has a prescribed chemical composition. Fn1 represented by for...
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WO/2024/074465A1 |
A first embodiment relates to a method for producing a CoFe alloy for a laminated core. According to the method, a stack of a plurality of laminations made of a CoFe alloy with 5 to 55 wt.% Co is thermally treated at a temperature (T1) i...
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WO/2024/075486A1 |
This mechanical component is made of steel that is subjected to quenching and tempering, the mechanical component comprising a carbonitrided layer on the surface thereof. The steel contains 0.13-0.58 mass% inclusive of C, 0.15-0.35 mass%...
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WO/2024/075258A1 |
A seamless steel tube having an inner surface and an outer surface, and having a chemical composition of, by mass, 0.06% or less of C, 0.55% or less of Si, 0.70-1.40% of Mn, 0.020% or less of P, 0.0005-0.020% of S, 0.005% or less of N, 0...
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WO/2024/070052A1 |
The present disclosure provides a high-strength steel plate having an improved post-molding appearance. The steel plate of the present disclosure has a specific chemical composition and is characterized by comprising a metal structure ...
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WO/2024/070890A1 |
Provided are: a steel sheet having high strength, excellent in terms of ductility and hole expansibility, and having highly stable mechanical properties along the longitudinal direction of the coil; and a method for producing the steel s...
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WO/2024/070413A1 |
Provided is a martensitic free-cutting stainless steel bar material characterized by having chemical components including 0.10-0.60% of C, 0.1-2.0% of Si, 0.1-3.0% of Mn, 0.15-0.40% of S, 0.10% or less of P, and 11.0-16.0% of Cr, the bal...
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WO/2024/070278A1 |
Provided are: continuous annealing equipment capable of swiftly responding to a fluctuation in material characteristics and minimizing a fluctuation in mechanical characteristics of a product; a continuous annealing method; a cold-rolled...
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WO/2024/071354A1 |
The purpose of the present invention is to provide a steel tube and a production method therefor, the steel tube being suitable for steel structures used in high pressure hydrogen gas environments, such as line pipes for 100% hydrogen ga...
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WO/2024/071352A1 |
The purpose of the present invention is to provide a steel pipe for a line pipe and a method of manufacturing the same, and a steel material for a line pipe and a method of manufacturing the same, the steel pipe for a line pipe being sui...
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WO/2024/068320A1 |
The invention relates to a device for curing sheet metal components. The device comprises a base plate (01) and a head plate (02), which are connected to one another, via guide elements, such that the distance between them can be changed...
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WO/2024/070489A1 |
This non-oriented electromagnetic steel sheet contains, in mass%: C, 0.005% or less; Si, 2.00% to 4.50%; Mn, 0.01% to 5.00%; Al, 0.03% to 5.00%; SE, which is the total of one or more of S, Se, and Te, more than 0% but no more than 0.005%...
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WO/2024/070889A1 |
Provided are: a steel sheet having high strength, excellent in terms of ductility and hole expansibility, and having highly stable mechanical properties along the sheet width direction; a member; and methods for producing the steel sheet...
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WO/2024/070493A1 |
This ferritic stainless steel material for battery components has a composition which contains, on a mass basis, 0.001% to 0.050% of C, 0.01% to 2.00% of Si, 0.01% to 2.00% of Mn, 0.010% to 0.050% of P, 0.0001% to 0.0100% of S, 10.0% to ...
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WO/2024/065923A1 |
A preparation method for a guide wheel. The preparation method comprises the following steps: subjecting a blank (102) with a punched hole (101) to ring rolling machining, so as to obtain a rim (1) blank, wherein the temperature of the r...
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WO/2024/070839A1 |
Provided are a high aging-efficiency maraging steel and a method for producing the same. The maraging steel comprises: a component composition that includes, in mass%, C at 0.02% or less, Si at 0.1% or less, Mn at 0.1% or less, P at 0....
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WO/2024/070279A1 |
Provided are: a continuous annealing facility in which a steel sheet phase fraction under a high-temperature condition is predicted with high accuracy and the fluctuations in the predicted phase fraction is rapidly reflected in an anneal...
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WO/2024/068461A1 |
The invention relates to a process for operating a thermal treatment line for the flexible thermal treatment of metal pre-products, to a thermal treatment line configured and suitable for carrying out the process, and to a casting-rollin...
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WO/2024/070784A1 |
The purpose of the present invention is to provide a stainless steel powder that can be used to produce a stainless steel member having high strength, excellent low-temperature toughness, and excellent corrosion resistance in a high-temp...
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WO/2024/062766A1 |
Provided, for metal-strip continuous-annealing lines that include a cooling zone where metal-strip cooling is carried out and a temper mill in which post-cooling metal-strip form rectification is carried out, is a method of predicting me...
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WO/2024/060562A1 |
A back roller and a preparation method therefor, and a coating machine having the back roller. A back roller (100) comprises: a roller body (10) and a wear-resistant layer (20). The roller body (10) has an axis (15) and a roller surface ...
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WO/2024/062933A1 |
Provided is a method for producing hot work tool steel that has a fine annealed structure even if a cross-sectional size is large. This method for producing hot work tool steel having a cross-sectional area of at least 200,000 mm2 incl...
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WO/2024/061729A1 |
The present invention relates to a method for the production of a hot-rolled flat steel product for use in pipe production.
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WO/2024/063108A1 |
The present invention provides a martensitic stainless steel material which has high strength, excellent SSC resistance, and excellent toughness at low temperatures. A martensitic stainless steel material according to the present disclos...
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WO/2024/062686A1 |
Provided is a low-yield-ratio hot-rolled steel sheet having excellent strength and low-temperature toughness. The steel sheet has a predetermined component composition. The steel structure of the sheet thickness center part has a main ph...
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WO/2024/061595A1 |
The invention relates to a support unit (18) for a carrier plate (16) for the construction of a tiered rack (10) for the heat treatment of workpieces (12), wherein the carrier plate (16), along with multiple support units (18), forms a t...
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WO/2024/062197A1 |
The invention relates to a method for manufacturing a steel part (10) for an aircraft, the method comprising the welding of at least two steel elements (12, 14) to one another so as to form this part (10), the application of a resistance...
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WO/2024/063113A1 |
One aspect of the present invention relates to a steel base material including a steel plate that has a yield strength of 250 MPa or more at 500ºC and a yield strength of 125 MPa or more at 600ºC.
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WO/2024/062767A1 |
Provided are a warped metal belt shape estimation method, a metal belt acceptance determination method, and a warped metal belt shape estimation device which can estimate a warped shape in a plate width direction in a state where the ten...
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WO/2024/056070A1 |
An injection radiant tube preheating system, comprising a radiant tube heating furnace; a radiant tube waste gas collection chamber, connected to the radiant tube heating furnace by means of a connection pipe; a preheating furnace, compr...
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WO/2024/057275A1 |
A method for hot rolling a steel comprising the steps of i. elaborating, by smelting steel scrap comprising at least one of the following residual elements : Mo, Sn, Sb, As, a steel grade having a theoretical hot rolling temperature THR_...
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WO/2024/056072A1 |
A high-speed jet and radiation combined heating device and a rapid heating method thereof. The device comprises: a heat-preservation box body (1), a mounting hole being formed in the center of one side surface thereof; a circulating fan ...
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WO/2024/057406A1 |
Provided is a mobile hardening method characterized in that a shaft body (10) is heated by a plurality of high-frequency coils (111), a cooling unit (120) is caused to follow the high-frequency coils (111) from behind in the relative mov...
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WO/2024/058145A1 |
Provided is an iron-based alloy powder with which the cracking of a molded body can be prevented. The iron-base alloy powder comprises, in terms of mass%: 0.30 ≤ C ≤ 0.50; 0 < Si ≤ 0.40; 0 < Mn ≤ 0.40; 0.85 ≤ Cr ≤ 1.75; 0 < N...
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WO/2024/057705A1 |
Provided are: a stainless steel having excellent cold workability and a manufacturing method therefor; and a stainless steel product for which surface hardness is sufficiently high and for which corrosion resistance against acids, partic...
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WO/2024/057274A1 |
A method for hot rolling a steel comprising the steps of i. elaborating a steel composition comprising in weight percent: 0.002 ≤ C ≤ 0.8, 0.1≤ Mn ≤ 3, Si ≤ 2, Al ≤ 2, Cr ≤ 0.5, Nb≤ 0.08, Ti ≤ 0.1 and a balance consisti...
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WO/2024/057405A1 |
Provided is a traverse hardening method which is characterized by using a traverse hardening device (100) equipped with a plurality of high frequency coils, and by involving: rotating a shaft-like body (10), which is inserted inside the ...
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WO/2024/057064A1 |
A method for hot rolling a steel comprising the steps of i. elaborating a steel composition comprising in weight percent: 0.002 ≤ C ≤ 0.8, 0.1≤ Mn ≤ 3, Si ≤ 2, Al ≤ 2, Cr ≤ 0.5, Nb≤ 0.08, Ti ≤ 0.1 and a balance consisti...
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WO/2024/058312A1 |
The present invention provides a cold-rolled steel sheet comprising 0.23-0.35 wt% of carbon (C), 0.05-0.5 wt% of silicon (Si), 0.3-2.3 wt% of manganese (Mn), 0-0.02 wt% (exclusive of 0) of phosphorus (P), 0-0.005 wt% (exclusive of 0) of ...
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WO/2024/057669A1 |
Provided are: a steel sheet and a member that have tensile strength of at least 780 MPa, excellent press-moldability, ductility, and expansion flange moldability, and excellent material stability in a sheet width direction; and a method ...
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