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WO/2023/190011A1 |
A seamless steel tube having the chemical composition set forth in the specification, the chemical composition satisfying [5C+Mo+Cr≥1.00], while also satisfying [GN-1.96×(Mn+70P+100N)≥7.50] and [GN-1.37×(Mn+85P-30Ca)≥8.90] in rel...
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WO/2023/188594A1 |
The present invention provides an electromagnetic steel sheet that is provided with an insulating film which exhibits a low iron loss and an excellent close-adhesiveness with respect to a forsterite film. For that purpose, provided is a ...
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WO/2023/189612A1 |
This machine component (10) has surfaces, and is formed from steel that has undergone quenching and tempering. The machine component is provided with a nitrided layer (11) formed on the surfaces (10a, 10b, 10c, 10d). The steel contains 0...
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WO/2023/186585A1 |
The invention relates to a method for producing a metal product in a plurality of successive process steps, each with an assigned set of manipulated variables, the method having the following steps: measuring an actual property of the me...
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WO/2023/188643A1 |
Provided are: a galvanized steel sheet having exceptional uniform deformation characteristics and local deformation characteristics, the galvanized steel sheet having a tensile strength of 980 MPa or greater; a member; and methods for pr...
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WO/2023/188792A1 |
Provided is a hot press member comprising excellent spot welding properties and cut-part corrosion resistance. The hot press member comprising: a steel plate; a coating layer disposed to at least one surface of the steel plate; and an ox...
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WO/2023/190645A1 |
Provided is a method for annealing a hot-rolled steel strip, the method controlling the annealing temperature with high accuracy to obtain good magnetic properties throughout the length of the steel strip. In a method for annealing a hot...
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WO/2023/190867A1 |
This steel member has a predetermined chemical composition. In the steel member, when a position at a depth of 1/4 of the thickness in the thickness direction from the surface is defined as a 1/4 depth position, the maximum B content in ...
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WO/2023/188441A1 |
This martensitic stainless steel to be used in a high-pressure hydrogen component has a chemical component composition which: comprises, in mass%, C in the amount of 0.01-0.05%, Si in the amount of 0.70% or less, Mn in the amount of 1.10...
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WO/2023/189142A1 |
The present invention addresses the problem of providing an electronic equipment casing having electromagnetic shielding properties in a high-frequency band up to the GHz band, as well as having strength and workability even when the thi...
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WO/2023/182266A1 |
A projection weld joint manufacturing method according to the present disclosure comprises: pressing a projection portion of a steel member, which includes the projection portion on a flat surface thereof, against a surface of a hot-stam...
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WO/2023/181821A1 |
Provided are a steel sheet dehydrogenation device, a system for manufacturing a steel sheet, and a method for manufacturing a steel sheet, with which it is possible to manufacture a steel sheet having exceptional hydrogen embrittlement r...
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WO/2023/180543A1 |
The invention relates to a method for heating a sheet-steel blank or a pre-shaped sheet-steel component having a zinc coating or a zinc-alloy coating, in which method: the sheet-steel component or the sheet-steel blank is guided through ...
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WO/2023/182333A1 |
The purpose of the present invention is to provide a gear component in which the surface layer of the dedendum has a high hardness and the bending fatigue strength is excellent. The gear component according to the present invention is ...
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WO/2023/180082A1 |
Disclosed is an inductor (1) for heating a vehicle wheel (2), which has a plurality of windings (1a) provided to heat an inner region of a rim (2a) of the vehicle wheel (2) and at least one winding (1d) provided for heating a rim flange ...
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WO/2023/181820A1 |
The present invention provides a continuous annealing apparatus which is capable of producing a steel sheet that has excellent hydrogen embrittlement resistance characteristics. A continuous annealing apparatus (100) according to the pre...
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WO/2023/181641A1 |
The purpose of the present invention is to provide: a high-strength steel sheet which has a TS of 980 MPa or more, while having excellent press moldability, excellent flatness in the sheet width direction and excellent processing embritt...
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WO/2023/181640A1 |
The purpose of the present invention is to provide a high strength steel sheet and a method for manufacturing the same, the high strength steel sheet having the TS of more than or equal to 1180 MPa and the YR of more than or equal to 85%...
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WO/2023/181485A1 |
Provided is a steel sheet which is less prone to LME cracking, has a composition containing 1.0 mass% or less of Si, achieves a strength of at least 1470 MPa in TS, and has excellent formability and excellent delayed fracture resistance....
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WO/2023/182279A1 |
The present invention provides a cold-rolled steel sheet which has high strength and excellent bore expanding properties. A cold-rolled steel sheet according to the present invention has a chemical composition that contains, in mass%, 0....
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WO/2023/181642A1 |
The purpose of the present invention is to provide: a high-strength steel sheet which has a TS of 1,180 MPa or more, while having excellent bendability, excellent flatness in the sheet width direction and excellent processing embrittleme...
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WO/2023/181643A1 |
The purpose of the present invention is to provide: a high-strength steel sheet having a TS of 980 MPa or more, an El of 10% or more, and excellent toughness, flatness in the sheet width direction, and resistance to machining embrittleme...
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WO/2023/182525A1 |
Provided is a method for manufacturing a high-strength, hot-dip galvanized steel sheet that prevents degradation of the quality of the appearance of a steel plate, that exhibits superior LME cracking resistance, ductility and bendability...
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WO/2023/182524A1 |
Provided is a method for producing a high-strength hot dipped galvanized steel sheet, wherein satisfactory appearance quality of the steel sheet and excellent LME cracking resistance are achieved, and the deterioration of delayed fractur...
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WO/2023/179061A1 |
A manufacturing process for a plunger pump housing, comprising: quenching and tempering a medium carbon steel casing base (100); machining the quenched and tempered medium carbon steel casing base (100), and machining an inner cavity (11...
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WO/2023/181390A1 |
The present invention provides a hot-dip galvannealed steel sheet that has a beautiful external appearance without defects such as bare spots, has excellent plating adhesion, and also has excellent hydrogen embrittlement resistance. A ...
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WO/2023/181435A1 |
Provided are an evaluation method and manufacturing method which can obtain die steel with stable quality by using a new index for evaluating dimensional change. Provided are an evaluation method of dimensional change characteristics o...
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WO/2023/176215A1 |
Provided is an austenitic stainless steel having excellent strength and ductility. The austenitic stainless steel has: a chemical composition containing 0.005-0.060% of C, 0.20-1.20% of Si, 4.0-8.0% of Mn, 12.0-15.0% of Ni, 19.0-24.0% of...
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WO/2023/176855A1 |
According to the present invention, it is possible to obtain a grain-oriented electromagnetic steel sheet containing a predetermined composition and comprising a forsterite coating film having high peel resistance for processing with a s...
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WO/2023/173153A1 |
The invention relates to a device (1) for tempering an object (2) comprising a chamber (5) for receiving the object (2), wherein the chamber (5) is surrounded by a chamber casing (7), a base element (4) and a cover element (8), a heating...
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WO/2023/176521A1 |
This quenching tool is used for quenching an object to be quenched including a disk-shaped race having a race through-hole. The quenching tool comprises a supporting mesh including a first supporting portion that contacts the object to b...
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WO/2023/170996A1 |
This ferritic stainless steel sheet has the following chemical composition in mass%: C : not more than 0.02%, Si : not more than 1.0%, Mn : not more than 1.0%, P : 0.01 to 0.10%, S : 0.0001 to 0.005%, N : not more than 0.02%, Cr : 17.0 t...
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WO/2023/171492A1 |
This hot-stamp-formed article has a specific chemical composition, with the metal structure being, by area%: at least 60% in total of fresh martensite and tempered martensite; 2 to 30% retained austenite; 38% or less of bainite; and 2% o...
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WO/2023/169629A1 |
The invention relates to a method for producing a component with one or more weld seams and/or for installing a component into a system with one or more weld seams consisting of a nickel-chromium-aluminium alloy, with (in wt.%) greater t...
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WO/2023/169628A1 |
The invention relates to a method for producing a component, partially or entirely formed from a semi-finished product of a nickel-chromium-aluminium alloy, with (in wt.%) greater than 18 to 33% chromium, 1.8 to 4.0% aluminium, 0.01 to 7...
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WO/2023/167318A1 |
Provided is a steel material that can reduce the hydrogen embrittlement susceptibility of bolts. This steel material contains, in mass%, 0.30-0.50% of C, 0.01-0.30% of Si, 0.10-1.50% of Mn, 0.030% or less of P, 0.030% or less of S, 0.01-...
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WO/2023/167303A1 |
The present invention provides a means for suppressing propagation of edge cracking. The present invention provides a method for producing a grain-oriented electromagnetic steel sheet, the method comprising a step in which after hot roll...
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WO/2023/167226A1 |
The purpose of the present invention is to provide an alloy tool steel for hot working that has both excellent toughness and excellent softening resistance. Provided is an alloy tool steel for hot working, containing carbon, silicon, man...
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WO/2023/167319A1 |
Provided is a steel material that can reduce the hydrogen embrittlement susceptibility of bolts. This steel material contains, in mass%, 0.30-0.50% of C, 0.01-0.30% of Si, 0.10-1.50% of Mn, 0.030% or less of P, 0.030% or less of S, more ...
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WO/2023/165645A1 |
The invention relates to a method for producing rolling bearing components with a high degree of toughness, having the steps of: providing at least one rolling bearing component made of a steel material, said steel material having a high...
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WO/2023/167386A1 |
The present invention provides a method for manufacturing railway vehicle wheel-mounted brake discs, which are mounted at both sides of a railway vehicle wheel, the method comprising: a forging step of molding, by ring rolling, a steel m...
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WO/2023/162190A1 |
Provided are: a steel sheet having a tensile strength (TS) of 780 MPa or more and having excellent collision characteristics; a member; and methods for manufacturing the steel sheet and the member. This steel sheet has a component comp...
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WO/2023/094082A9 |
The invention relates to: a heat treatment system for the heat treatment of web-type material (M), in particular metal strips, comprising a furnace (2) and a cooling section (12) connected to same, wherein the web-type material (M) is gu...
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WO/2023/162381A1 |
The present invention provides: a steel sheet which has a tensile strength (TS) of not less than 440 MPa but less than 780 MPa, while exhibiting excellent collision characteristics; a member; a method for producing this steel sheet; and ...
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WO/2023/162614A1 |
Provided is a hot stamped compact that has a prescribed chemical composition, and has a metal structure containing at least 90 vol% martensite, wherein the average grain diameter of the prior austenite grains is 3.0 µm or less, the stan...
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WO/2023/162891A1 |
This steel sheet contains, in mass%, 0.15-0.50% of C, 0.01-1.00% of Si, 1.00-3.00% of Mn, 0-0.0200% of P, 0.0001-0.0200% of S, 0.001-0.100% of Al, 0-0.020% of N, and the remainder comprises Fe and impurities. The area ratio of the metal ...
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WO/2023/162205A1 |
The present invention provides: a steel sheet which has excellent material uniformity and high strength; a member; a method for producing this steel sheet; and a method for producing this member. The present invention provides a steel ...
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WO/2023/162502A1 |
The problem of the present invention is to provide a solid-phase welding method which easily and efficiently suppresses the softening of a heat-affected zone when steel is used as a material to be welded and a solid-phase welding joint w...
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WO/2023/162893A1 |
This steel sheet contains, in % by mass, 0.15 to 0.50% of C, 0.01 to 1.00% of Si, 1.00 to 3.00% of Mn, 0 to 0.0200% of P, 0.0001 to 0.0200% of S, 0.001 to 0.100% of Al, 0 to 0.0200% of N and a remainder comprising Fe and impurities, in w...
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WO/2023/162573A1 |
This galvanized steel sheet comprises a base steel sheet having a specified chemical composition, an Fe-Al alloy layer formed on at least a portion of the base steel sheet, and a zinc plating layer formed on the surface of the base steel...
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