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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/2024/062197A1 |
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/2024/061035A1 |
Provided in the present invention is a preparation method for an arsenic-iron alloy. The preparation method comprises the steps of: S1, subjecting arsenic powder and iron powder at a molar ratio of (0.1-2) : 1 to a ball-milling treatment...
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WO/2024/061368A1 |
The present invention discloses coated ultrahigh-strength steel with low spot welding crack sensitivity, comprising a steel substrate and a zinc-containing coating on the surface of the steel substrate. The steel substrate contains Fe an...
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WO/2024/063151A1 |
Provided is hot work tool steel powder for additive fabrication with which an additively fabricated hot work tool steel object having excellent crack resistance during fabrication can be fabricated. The hot work tool steel powder for a...
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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/2024/061897A1 |
The present invention relates to the development of new iron-based alloys, in particular of a steel having improved mechanical, thermal, and physico-chemical (corrosion) properties. More specifically there is disclosed a steel material h...
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WO/2024/063085A1 |
The present invention pertains to a composition that may undergo α-γ transformation. The composition contains 0.0010-0.0050% of Ti. When a surface of a steel sheet is measured using a scanning electron microscope with electron backscat...
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WO/2024/063574A1 |
The present invention provides a method for manufacturing a non-oriented electrical steel sheet, comprising the steps of: preparing a slab comprising, by wt%, carbon (C) in an amount greater than 0% and less than or equal to 0.002%, 2.3-...
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WO/2024/057653A1 |
The present invention provides an iron base rare earth boron-based isotropic nanocomposite magnet alloy which has an alloy composition that has a composition which is represented by the composition formula T100-x-y-z(B1-nCn)xREyZrzMm (wh...
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WO/2024/057534A1 |
A baked flux according to an embodiment of the present invention contains, in terms of mass%, 0.50-10.00% metallic Al, 0-12.00% TiO2, 2.00-30.00% CaCO3, 5.00-18.00% CaF2, 0-50.00% CaO, 10.00-30.00% Al2O3, 3.00-35.00% MgO, 0-1.00% B2O3, 0...
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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/2024/056591A1 |
The invention relates to a steel plate made of a hardenable steel material and coated with a hot-dip aluminized coating for hot forming, wherein the surface of the hot-dip aluminized coating has an SDR value of at least 3.0%, wherein the...
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WO/2024/056380A1 |
The present application relates to a method for producing a low-carbon flat steel product, more particularly a interstitial-free cold strip, wherein firstly i) a molten steel composition, the maximum carbon content of which is 300 ppm, t...
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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/2024/056822A1 |
Methods involving high temperature solution treatment that improve corrosion and wear resistance and strength of Ni-free high-Mn austenitic stainless steels are disclosed, together with Ni-free high- Mn austenitic stainless steels, artic...
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WO/2024/058413A1 |
The disclosed invention relates to an exterior material for a home appliance and a refrigerator comprising same. An exterior material for a home appliance according to an embodiment may include a stainless steel cold rolled steel sheet. ...
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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/2024/055269A1 |
The present application relates to the technical field of non-oriented silicon steel, and particularly provides non-oriented silicon steel for a high-speed motor and a manufacturing method therefor. The chemical components of the non-ori...
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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/2024/053628A1 |
A method for producing a grain-oriented electromagnetic steel sheet, the method comprising: hot-rolling a steel material to obtain a hot-rolled sheet; subjecting the hot-rolled sheet to cold rolling once or subjecting the hot-rolled shee...
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WO/2024/053168A1 |
Provided is a high strength electric resistance welded pipe having excellent SSC resistance. This electric resistance welded pipe has an absolute value of residual stress in the circumferential direction of the pipe inner surface of 10 M...
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WO/2024/053169A1 |
Provided is a square steel pipe having excellent buckling resistance. In this square steel pipe, which has a plurality of flat portions and corner portions alternating in the pipe circumference direction, the yield strength of the flat p...
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WO/2024/051897A1 |
The invention relates to a main body (1) comprising a coating system (2), the coating system (2) comprising at least one layer (3, 4) having a matrix alloy (5), at least one of the layers (3, 4) comprising at least the following elements...
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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/2024/053280A1 |
A solid wire is provided with which a penetration bead having an excellent appearance can be obtained without using any back-shielding gas and a weld metal having excellent mechanical performance can be obtained. The solid wire is for us...
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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/2024/053418A1 |
[Problem] To provide a method for producing a metal member capable of producing a metal member containing not only a second component but also a third component. [Solution] A metal material comprising a compound, alloy, or non-equilibriu...
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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/2024/053608A1 |
Provided is a grain-oriented electromagnetic steel sheet having such a magnetic property that a building factor can be reduced satisfactorily. The grain-oriented electromagnetic steel sheet comprises a matrix steel sheet containing 1.50 ...
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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/2024/051758A1 |
Disclosed in the present invention is a method for preparing steel 50CrVA for a transmission chain of an engine, the method comprising the procedures of electric furnace smelting, LF refining, a VD vacuum treatment, continuous casting, h...
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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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