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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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WO/2024/057670A1 |
Provided are: a steel sheet that has a tensile strength of 980 MPa or more, excellent press moldability, ductility, and stretch-flangeability, and excellent material stability in the sheet width direction; a member; and methods for produ...
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WO/2024/057065A1 |
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/2024/057940A1 |
When a steel slab containing, in mass%, 0.0050% or less of C, 2.0-5.0% of Si, 0.2-1.8% of Mn, 0.5-2.5% of Al, 0.001-0.100% of Mo, and 0.02-0.10% in total of Sn and Sb, the contents of Si, Al and Mn satisfying a predetermined relationship...
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WO/2024/056742A1 |
The invention relates to a semi-finished product (1) for hot forming, the product being a tailor-welded blank, a tailor-rolled blank or a patch-work blank, wherein the semi-finished product (1) comprises one first section or multiple fir...
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WO/2024/056068A1 |
A jet-type direct-fired preheating system, comprising a direct-fired furnace and a preheating furnace. The direct-fired furnace comprises a furnace casing, a direct-fired heating area being provided in the furnace casing. The preheating ...
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WO/2024/058096A1 |
Provided is a high-strength hot-rolled steel sheet having a predetermined chemical composition, wherein at all of the positions of 1/10W, 3/10W, 5/10W, 7/10W, and 9/10W from the end in the width direction (W is the total width in the dir...
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WO/2024/053276A1 |
Provided is a steel cast slab that contains from 2.0 mass% to less than 7.5 mass% of Ni and has few surface cracks. The steel cast slab containing Ni is composed of, in mass%, C: 0.03% to 0.10%, Si: 0.01% to 0.50%, Mn: 0.10% to 1.00%, P:...
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WO/2024/052449A1 |
The invention relates to a hot-dip coated and temper-rolled steel sheet, to a method for producing same, and to a use thereof.
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WO/2024/052448A1 |
The invention relates to a hot-dip coated and temper-rolled steel sheet, to a method for producing same, and to a use thereof.
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WO/2024/053207A1 |
Provided is a steel sheet for hot pressing that has excellent rapid heating compatibility, that can prevent liquid metal embrittlement cracking, and that has excellent post-hot-pressing coating adhesion. The steel sheet for hot pressing ...
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WO/2024/052446A1 |
The invention relates to a hot-dip coated and temper-rolled steel sheet, to a method for producing same, and to a use thereof.
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WO/2024/053544A1 |
According to the present invention, a method for producing a high-strength hot-dip-galvanized steel sheet that has at least 20 g/m2 but no more than 120 g/m2 of a galvanization layer deposited on the surface of each side of a steel sheet...
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WO/2024/053701A1 |
This hot-rolled steel sheet has a specific chemical composition; the metal structure of this hot-rolled steel sheet at a position where the depth from the surface is 1/4 in the sheet thickness direction comprises, in area%, less than 3.0...
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WO/2024/053665A1 |
The present invention addresses the problem of providing a welded joint inhibited from having undergone LME cracking during the production. This welded joint is characterized in that: the welded joint is configured of plated steel plates...
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WO/2024/053736A1 |
This steel sheet has a base steel sheet that has a prescribed chemical composition and a galvanization layer that is formed on the surface of the base steel sheet, wherein: where the sheet thickness of the base steel sheet is t, the meta...
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WO/2024/052447A1 |
The invention relates to a hot-dip-coated and temper-passed steel sheet, to a process for its production and to its use.
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WO/2024/053667A1 |
The present invention addresses the problem of providing a steel sheet and a plated steel sheet that have high LME resistance and hydrogen desorption. This steel sheet and plated steel sheet are characterized: by having prescribed chemic...
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WO/2024/053729A1 |
Provided is a steel plate characterized by having a predetermined chemical composition and having a metal structure including, in terms of area percentage, 80-95% of ferrite, 5-20% of martensite, and a total of 0-10% of at least one of b...
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WO/2024/053663A1 |
Provided is a plated steel sheet having high LME resistance. A plated steel sheet according to the present invention is characterized by having a prescribed chemical composition and is characterized in that: when the C-concentration is...
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WO/2024/053669A1 |
The present invention addresses the problem of providing a welded joint in which LME cracking during manufacturing is suppressed. A welded joint according to the present invention is characterized in that: a plated steel sheet forming th...
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WO/2024/048504A1 |
This aluminum-plated steel sheet for hot stamping comprises a base steel sheet, an aluminum plating layer that is provided on at least one surface of the base steel sheet, and a surface treatment film that is provided on the aluminum pla...
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WO/2024/048721A1 |
A mixed powder for an annealing separating agent having MgO as a main ingredient, wherein the average particle diameter of the mixed powder is 0.10 to 8.50 µm, the mixed powder contains B, the content of B in the entire mixed powder is ...
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