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WO/2024/047877A1 |
This steel material has an average chemical composition containing 18.00-36.00% of Ni and 5.50-12.00% of Si and has a metal structure that includes an austenite phase and an ordered phase. This automobile component comprises the steel ma...
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WO/2024/048601A1 |
The present invention provides a rolling bearing and a rolling body production method that make it possible to improve separation life. Provided is a rolling bearing comprising an inner ring (2), an outer ring (3), and a rolling body (4)...
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WO/2024/043259A1 |
The present invention provides a duplex stainless steel material which has excellent intergranular corrosion resistance. A duplex stainless steel material according to the present disclosure is composed of, in mass%, 0.030% or less of C,...
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WO/2024/042744A1 |
Provided is a method for manufacturing a carburized sintered body that allows sintering and carburizing to be performed in a single heating step, eliminates the need to mix additives, and can reduce the cost of additives and shorten the ...
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WO/2024/042812A1 |
Provided is a stainless steel sheet which is for a fuel cell separator and has excellent press workability and Fe ion elution resistance. The stainless steel sheet has a composition containing, in mass%, 18.0-24.0% of Cr and 3.00% or les...
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WO/2024/043608A1 |
The present invention relates to a plated steel sheet for hot press forming, a hot press formed part, and manufacturing methods thereof and, more specifically, a plated steel sheet for hot press forming having excellent impact resistance...
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WO/2024/043063A1 |
Provided is an annealing facility which more actively controls carbon in steel, thereby contributing to further improvement of magnetic properties. This annealing facility has a heating zone, a soaking zone, and a cooling zone on a steel...
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WO/2024/042825A1 |
Provided are manufacturing equipment, a manufacturing method, and an acceptability determination method for a metal band by which it is possible to reliably perform quality assurance regarding the warpage of a metal band. The manufacturi...
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WO/2024/041820A1 |
The invention relates to a hot-rolled high-strength steel sheet having a composition consisting of, in wt.%: C 0.020-0.070%, Mn 0.80-1.40%, Nb 0.010-0.080%, Ti up to 0.05%, Si 0.005-0.10%, Al up to 0.10%, N up to 0.010%, P up to 0.02%, S...
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WO/2024/043080A1 |
This austenitic stainless steel is configured such that, when the amount of hydrogen released at a temperature ranging from 25°C to 800°C at a temperature elevation rate of 100°C/h is determined by thermal desorption analysis of hydro...
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WO/2024/036987A1 |
The present invention relates to a multifunctional heat treatment production system for a high-strength steel plate/strip, comprising a preparation unit, a high-temperature heat treatment unit, a low-temperature heat treatment unit, and ...
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WO/2024/038764A1 |
A ferritic stainless steel sheet which is characterized by containing, in mass%, 0.02% or less of C, 0.01% to 1.00% of Si, 0.01% to 1.00% of Mn, 0.040% or less of P, 0.006% or less of S, 12.5% to 30.0% of Cr, 0.30% to 2.50% of Mo, 0.02% ...
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WO/2024/038037A1 |
The invention relates to a steel flat product for hot forming and a sheet metal moulded part produced therefrom. The steel substrate of the steel flat product and the sheet metal formed part has increased contents of aluminium and vanadi...
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WO/2024/037271A1 |
The present invention relates to the technical field of welding seam machining for nuclear power plant voltage stabilizers, and provides a heating support device for welding seams between a spherical sealing head and inner and outer surf...
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WO/2024/033721A1 |
A hot-stamped coated steel part comprising a steel substrate and an aluminum alloy coating comprising, proceeding from steel substrate outwards, an interdiffusion layer and an outer layer, the total thickness of the coating ecoating and ...
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WO/2024/033688A1 |
A martensitic steel sheet comprising the following elements 0.07% ≦ C ≦ 0.12%; 1.9% ≦ Mn ≦ 2.5 %; 0.2% ≦ Si ≦ 0.6%; 0.01% ≦ Al ≦ 0.1%; 0.1% ≦ Cr ≦ 0.5%; 0.2% ≦ Mo ≦ 0.6%; 0% ≦ S ≦ 0.09%; 0% ≦ P ≦ 0.09%; 0%...
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WO/2024/033722A1 |
A hot-stamped coated steel part comprising a steel substrate and an aluminum alloy coating comprising, proceeding from steel substrate outwards, an interdiffusion layer and an outer layer, the total thickness of the coating ecoating and ...
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WO/2024/032949A1 |
The invention relates to a hot-rolled high-strength steel strip having a composition, in wt.%, C: 0.06-0.12 wt.%, Mn: 1.20-2.20 wt.%, Ti: 0.07-0.15 wt.%, Si: up to 0.65 wt.%, Al: up to 0.10 wt.%, P: up to 0.02 wt.%, S: up to 0.01 wt.%, N...
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WO/2024/028640A1 |
A coated steel sheet with variable thickness in the rolling direction, having at least one portion rolled at a rolling ratio from 1 to 60%, wherein the coating comprises zinc, silicon, magnesium, up to 3.0% of iron, optional elements cho...
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WO/2024/026715A1 |
Embodiments of the present application provide a quenching assistance mechanism for a gas cylinder heat treatment process, comprising a bottom table, a quenching chamber, a circulating spray apparatus, and a rotating transport apparatus....
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WO/2024/029161A1 |
A cooling unit (2) for a bright annealing furnace (1) comprises: a cooling duct (21); a cooler (22) which is disposed inside the cooling duct (21) and cools the atmospheric gas in the furnace passing through the cooling duct (21); and a ...
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WO/2024/028763A1 |
A coated steel sheet with variable thickness in the rolling direction, having one portion rolled at a rolling ratio from 1 to 60% and at least another portion rolled at a different rolling ratio, wherein the coating comprises zinc, silic...
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WO/2024/029145A1 |
Provided is a steel plate characterized by having: a specific chemical composition; an average Vicker's hardness Hs, in a region spanning from at least one surface to 10% of the plate thickness, that is no greater than 0.60 times the ave...
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WO/2024/027264A1 |
The present invention belongs to the field of steel rail production, and particularly relates to a medium-strength steel rail having high yield strength and a production method therefor. The medium-strength steel rail having high yield s...
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WO/2024/025092A1 |
A one-touch rebar coupler having an integrated-type coupler body according to the present invention comprises: an integrated-type coupler body formed of carbon steel and having formed therein a hollow portion in which first and second ta...
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WO/2024/025245A1 |
A non-oriented electrical steel sheet according to an embodiment of the present invention is a non-oriented electrical steel sheet comprising: more than 0 and equal to or less than 0.003 wt% of carbon (C); 2.0-4.0 wt% of silicon (Si); 0....
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WO/2024/024606A1 |
A ball bearing (100) comprises an inner ring (10), an outer ring (20), and a ball (30). At least one bearing part among the inner ring, the outer ring, and the ball has contact surfaces (10da, 20ca, 30a). The bearing parts are made of st...
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WO/2024/024401A1 |
This steel wire comprises a steel containing 0.9-1.1 mass% of carbon, 0.15-0.25 mass% of silicon, 0.25-0.35 mass% of manganese, and 0.15-0.25 mass% of chromium, with the remainder consisting of iron and unavoidable impurities, wherein: t...
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WO/2024/024679A1 |
Provided is a tank manufacturing method for manufacturing a tank by joint-welding steel sheets from which the tank is to be configured, the method comprising: a step for performing multilayer welding such that a plurality of weld layers ...
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WO/2024/024605A1 |
A ball bearing (100) comprises an inner ring (10), an outer ring (20), and a ball (30). At least one bearing component, from among the inner ring, the outer ring, and the ball, has a contact surface (10da, 20ca, 30a). The bearing compone...
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WO/2024/017440A1 |
The invention relates to a method for setting an oven atmosphere in a directly heated heat-treatment oven, wherein the heat-treatment oven has at least one burner, which is operated with a fuel gas and an oxygen-containing gas, which are...
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WO/2024/016482A1 |
The present invention relates to the field of high-strength alloy fastener manufacturing, and provides ultrahigh-strength alloy steel, a 19.8-grade threaded fastener and a preparation method therefor. The ultrahigh-strength alloy steel p...
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WO/2024/019013A1 |
The present invention provides a steel material which has excellent fusion cracking resistance, excellent resistance to cracking during hot working and excellent machinability, and which enables a component for machine structures to achi...
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WO/2024/018520A1 |
The present invention uses a high strength stainless steel wire which contains C, Si, Mn, P, S, Ni, Cr, N, Al, O and Ca and in which the total amount of Ti, Nb, Ta and W is 0.50% or less, with the remainder comprising Fe and impurities. ...
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WO/2024/017347A1 |
Disclosed in the present invention is a non-oriented electrical steel sheet. In addition to Fe and inevitable impurities, the non-oriented electrical steel sheet further contains the following chemical elements in percentage by mass: 0 <...
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WO/2024/017085A1 |
A high-strength and high-toughness Al-Cu series cast aluminum alloy, a preparation method therefor, and the use of same in wheel hub manufacturing. Chemical components of the high-strength and toughness Al-Cu series cast aluminum alloy c...
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WO/2024/017345A1 |
Disclosed in the present invention is a non-oriented electrical steel plate, which comprises, in addition to Fe and inevitable impurities, the following chemical elements in percentages by mass: C: 0.001-0.004%, Si: 2.0-3.8%, Mn: 0.05-1....
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WO/2024/019490A1 |
The present invention provides a non-oriented electrical steel sheet comprising: 2.8-3.8 wt% of silicon (Si); 0.2-0.5 wt% of manganese (Mn); 0.5-1.5 wt% of aluminum (Al); 0 to 0.003 wt% (exclusive of 0) of carbon (C); 0 to 0.015 wt% (exc...
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WO/2024/014745A1 |
The present invention relates to a heat treatment method by which deformation such as curl can be reduced and a low thermal expansion coefficient obtained through thermomechanical heat treatment of an Fe-Ni alloy foil. The heat treatment...
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WO/2024/014372A1 |
The purpose of the present invention is to produce a galvanized steel plate that is free from unplating and has stable quality. A method for heating a steel plate, the method including heating the obverse and reverse sides of a steel pla...
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WO/2024/014419A1 |
This precipitation hardening-type soft-magnetic ferritic stainless steel has a composition containing, in mass%, 0.1% or less of C (not including 0%), 0.01-2.5% of Si, 0.5% or less of Mn (not including 0%), 0.1% or less of S (not includi...
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WO/2024/011965A1 |
The present invention relates to a multifunctional strip treatment system, and a method for using same. The system comprises a strip uncoiling apparatus, a heat treatment furnace, a pickling apparatus, and a strip coiling apparatus which...
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WO/2024/011930A1 |
Disclosed in the present invention is an intelligent electromagnetic induction back burning device for shipbuilding. The intelligent electromagnetic induction back burning device comprises a vehicle body, and an electromagnetic induction...
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WO/2024/014371A1 |
The purpose of the present invention is to manufacture a zinc-plated steel sheet that is free of pickups and that has a stable quality. In this method for heating a steel plate, a steel plate passes through a direct-fired heating furnace...
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WO/2024/013542A1 |
A hot rolled steel having a composition comprising the following elements, 5%≤Nickel≤16 %, 0.5%≤Aluminum≤3%, 0.1%≤Titanium≤1%, 4%≤Chromium≤15%, 0.0001% ≤ Carbon ≤ 0.03%, 0.002 % ≤ Phosphorus ≤ 0.02 %,0 % ≤ Sulfu...
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WO/2024/014484A1 |
The present invention addresses the problem of obtaining a low thermal expansion alloy having improved machinability. A low thermal expansion alloy according to the present invention contains, in terms of mass%, at most 0.050% of C, 0.30...
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WO/2024/009783A1 |
Provided is a technology whereby it becomes possible to highly accurately control a steel strip temperature on the heated strip outlet side and a steel strip temperature on the isothermal heating furnace outlet side in the hot-rolled ann...
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WO/2024/009564A1 |
Provided is a seamless stainless steel pipe provided with both high strength and excellent low-temperature toughness and corrosion resistance. This seamless stainless steel pipe has: a prescribed component composition; by volume, at leas...
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WO/2024/009812A1 |
This hot-rolled steel sheet has a desired chemical composition and has a metal structure which contains, in terms of area%, at least 10% of bainite, at least 10% of tempered martensite, a total of 70-96% of bainite and tempered martensit...
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WO/2024/008331A1 |
The invention relates to a method for generating a hardness profile on a steel workpiece which has a base hardness (c) and, starting from the surface of the workpiece, is hardened as far as a first depth (d15) to a first hardness value (...
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