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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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WO/2023/162515A1 |
This method for producing a steel member includes: a carburizing step in which an austenitized steel member obtained by heating a steel member to at least an austenization completion temperature is subjected to carbon infiltration at a c...
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WO/2023/156418A1 |
A metallurgical furnace (1) for performing a thermal treatment of a continuously moving metal strip, preferably under hydrogen protective atmosphere, having : - a hybrid wall lining (2) facing inwardly of the furnace (1), wherein said hy...
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WO/2023/157897A1 |
Provided is a high-strength steel material that exhibits an excellent SSC resistance in sour environments. The steel material according to the present disclosure comprises, in mass%, C : 0.15% to 0.45%, Si : 0.05% to 1.00%, Mn : 0.05% to...
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WO/2023/157297A1 |
The present invention provides: a component for vehicles, the component having excellent fatigue strength; a steel pipe which enables the production of the component for vehicles having excellent fatigue strength; a method for producing ...
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WO/2023/157975A1 |
The present invention provides: a component for vehicles having excellent fatigue strength; a steel pipe which enables the production of a component for vehicles having excellent fatigue strength; a method for producing this steel pipe; ...
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WO/2023/153097A1 |
This cold rolled steel sheet has a predetermined chemical composition, and a metal structure at a quarter depth position, which is a position at quarter of the sheet thickness from the surface of the sheet, comprising, in volume ratio: g...
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WO/2023/153099A1 |
The present invention provides a steel sheet for hot pressing, the steel sheet being prevented from the generation of scales due to a coating layer and being reduced in adhesion of a metal to heating facilities, thereby preventing liquid...
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WO/2023/153185A1 |
The purpose of the present invention is to realize an austenitic stainless steel that is highly productive and with which it is possible to obtain both a reduction in processing load during production and an increase in strength of a fin...
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WO/2023/152906A1 |
The present invention is an electric resistance welded steel pipe for an automobile component including a base material part and an electric resistance welded part. The chemical composition of the base material part includes, by mass, 0....
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WO/2023/153096A1 |
This cold rolled steel sheet has a predetermined chemical composition, and a metal structure at a quarter depth position, which is a position at quarter of the sheet thickness from the surface of the sheet, comprising, in volume ratio: g...
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WO/2023/153184A1 |
The present invention achieves an austenitic stainless steel having high productivity while reducing processing load during production and increasing the strength of the final product. The austenitic stainless steel contains, in mass%, 0...
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WO/2023/148771A1 |
Provided herein is a hot rolled coil cooling apparatus comprises of: an upender assembly including a L-deck capable of tilting about an axis, comprising a first deck and second deck, having a first side and second side, said upender. The...
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WO/2023/149002A1 |
Provided is a steel sheet that has a chemical composition including 0.020-0.100% of C, 1.00-2.50% of Mn, not more than 0.100% of P, not more than 0.0200% of S, 0.005-0.700% Al, not more than 0.0150% of N, not more than 0.0100% of O, etc....
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WO/2023/149374A1 |
This hot-rolled steel sheet has a desired chemical composition and a metal structure, wherein: the average spherical equivalent radius of alloy carbide in ferrite is 0.5-5.0 nm (exclusive of 5.0); the average number density is at least 3...
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WO/2023/149466A1 |
This steel plate has a prescribed chemical composition, and the microstructure of the t/4 region, which is the range from 1/8 to 3/8 of the plate thickness in the plate thickness direction from the surface, contains, as the area ratio, l...
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WO/2023/148087A1 |
The invention relates to a method of manufacturing a low-carbon steel strip having improved formability, the method comprising the steps of: providing a hot-rolled steel strip of a low- carbon steel composition comprising up to about 0.0...
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WO/2023/147719A1 |
The present invention relates to a protective gas supply and recycling method for a cold-rolling annealing furnace, which can comprise the following steps: S1. providing gas to protective gas storage tanks so as to enable each of the sto...
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WO/2023/145025A1 |
Disclosed is an alloyed hot-dip galvanized steel sheet which has excellent appearance and has excellent moldability when press-molded. This alloyed hot-dip galvanized steel sheet comprises a base material steel plate having a prescribed ...
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WO/2023/144019A1 |
The invention relates to a hot-rolled high-strength steel strip having a composition consisting of, in wt.%, 0.02 – 0.13% C, 1.20 – 3.50% Mn; 0.10 – 1.00% Si; 0.05 – 1.0% Mo; 0.02 – 0.70% Al, 0.04 – 0.25% Ti, up to 0.010% N, ...
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WO/2023/145800A1 |
A non-oriented electromagnetic steel sheet (1) according to one embodiment of the present invention is provided with a base material steel sheet (10) and an insulating coating film (20) that is formed on the surface of the base material ...
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