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WO/2024/016484A1 |
The present invention belongs to the field of high-strength alloy fastener manufacturing. Provided are an ultrahigh-strength alloy steel, a grade 16.8 threaded fastener and a manufacturing method therefor. The ultrahigh-strength alloy st...
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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/2024/014372A1 |
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/2024/011713A1 |
An ultrafine grain steel plate and a preparation method therefor. The ultrafine grain steel plate comprises the following chemical components, in percentages by mass: 0.04-0.10% of C, 1.20-1.60% of Mn, 0.30-0.60% of Ni, 0.01-0.05% of Nb,...
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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/2024/013364A1 |
This invention relates to a skin-pass-rolled and levelled galvanized steel strip comprising a steel strip substrate and a zinc or zinc alloy coating layer on at least one of the major sides of the steel strip substrate, wherein at least ...
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WO/2024/014098A1 |
Provided is a high-strength steel sheet for a hydrogen transport steel pipe, the high-strength steel sheet having excellent HISC resistance and fatigue crack growth resistance in a high-pressure hydrogen environment. A high-strength st...
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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/2024/008920A1 |
A steel composition for expandable tubular articles comprises, in mass %, C: 0.03 - 0.12; Mn: 0.7 - 1.2; Si: 0.1 - 0.5; Cr: 0.1 - 1.0; Mo: 0.1 - 1.0; Ni: > 0 and ≤ 1.0; V: 0 - 0.20; Nb: 0 - 0.10; iron (Fe) and inevitable impurities wit...
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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/2024/009904A1 |
The welded joint according to an embodiment of the present invention comprises: a first steel plate; a second steel plate; a weld bead with which an end of the first steel plate is bonded to a first surface of the second steel plate; an ...
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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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WO/2024/009897A1 |
The present invention provides a hot-rolled steel material for tanks, the hot-rolled steel material containing, in mass%, 18.0% to 20.0% of Cr and 8.0% to 13.0% of Ni, while having an Md30 expressed by formula (1) of 35°C or less. With ...
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WO/2024/009565A1 |
Provided is a seamless stainless steel pipe having high strength, excellent low-temperature toughness, and corrosion resistance. This seamless stainless steel pipe has a specific component composition and contains, by volume percentage, ...
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WO/2024/010190A1 |
The disclosed invention relates to an exterior material for a home appliance and a refrigerator comprising same. The exterior material for a home appliance according to one embodiment may comprise: a steel plate having a yield strength o...
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WO/2024/008897A2 |
The present invention relates to a method for manufacturing components from materials comprising metals, alloys, ceramics, organic components particularly suitable for the manufacture of components, complex pieces and/or parts. The metho...
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WO/2024/004613A1 |
The present invention addresses the problem of suppressing deformation such as edge waves, center waves, and warping from occurring in an ultra-thin (50 μm or less in thickness) iron–nickel alloy foil, and the purpose of the present i...
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WO/2024/002260A1 |
Disclosed in the present invention is an oriented silicon steel, comprising, in addition to 90% or more of Fe and inevitable impurities, the following chemical elements in percentages by mass: C: 0.020-0.080%, Si: 2.00-4.50%, Mn: 0.01-0....
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WO/2024/005283A1 |
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), greater than 0 and less than or equal to 0.02 wt% of phosphorus (P), greater th...
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WO/2024/002043A1 |
A hot-rolled complex-phase steel with an 800-MPa-grade tensile strength and a manufacturing method therefor. The hot-rolled complex-phase steel comprises: C: 0.04-0.08%, Si: 0.05-0.45%, Mn: 1.4-1.8%, N: ≤0.005%, O: ≤0.0030%, Ca ≤0....
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WO/2024/002728A1 |
An austenitic stainless steel having the following composition, in percent by weight (wt.-%): C equal to or less than 0.06, Si 0.1 – 1, Mn 3 – 5, Cr 20.5 – 23.5, Ni 11 – 15, Mo 1 – 4, Nb 0.50-0.70, N 0.40-0.60, P equal to or le...
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WO/2024/001990A1 |
High-plasticity 1500-MPa-grade ultrahigh-strength steel and a manufacturing method therefor. The steel comprises the following components in percentages by weight: 0.35-0.40% of C, 1.0-1.8% of Si, 1.5-2.0% of Mn, 0.3-0.6% of Cr, 0.02-0.0...
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WO/2024/002207A1 |
Provided in the present invention are a 490-MPa-grade thick steel plate with a high core fatigue strength and a manufacturing method therefor. The thick steel plate comprises the following chemical components in percentages by mass: C: 0...
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WO/2024/001078A1 |
The present invention relates to an 80 mm thick 690 MPa-grade ultra-high strength and toughness marine steel plate and a preparation method thereof. The composition thereof by mass percentage are: C: 0.08%-0.10%, Si: 0.20%-0.30%, Mn: 1.1...
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WO/2024/002314A1 |
Provided in the present invention is a 120-kg-grade ultrahigh-strength galvanized steel sheet with a good resistance spot welding performance. The galvanized steel sheet comprises: 0.18-0.24% of C, 2.3-3.0% of Mn, 0.5-1.7% of Si, 0.02-1....
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WO/2024/002209A1 |
The present invention provides an oriented silicon steel, comprising a silicon steel substrate and an insulating coating formed on the surface of the silicon steel substrate. The insulating coating does not contain magnesium silicate and...
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WO/2024/002507A1 |
The invention relates to a method for conditioning the surfaces of heat-treated, galvanised or alloy-galvanised sheet steel components, wherein either at least regions of a sheet steel are heated for the purpose of austenitisation and su...
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WO/2024/002220A1 |
Provided in the present invention is a high frequency resistance welded steel pipe, comprising: C: 0.025-0.054%, Si: 0.10-0.30%, Mn: 1.21-1.45%, Ni: 0.05-0.20%, Cr: 0.11-0.25%, Mo: 0.01-0.15%, Nb: 0.030-0.055%, Ti: 0.005-0.020%, Al: 0.02...
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WO/2024/002313A1 |
The present invention provides a 100 kg-grade ultra-high-strength galvanized steel sheet having excellent resistance spot welding properties and excellent resistance to liquid metal embrittlement (LME) cracking. The steel sheet contains ...
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WO/2024/003593A1 |
A steel part for the transmission system of an automobile comprising of the following elements, 0.2%≦C≦0.35%; 1.0%≦Mn≦1.6%; 0.2%≦Si≦0.7%; 0.001%≦Al≦0.1%; 0.01%≦Mo≦0.5%; 0.020%≦Nb≦0.06%; 1%≦Cr≦1.5%; 0≦P≦ 0....
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WO/2024/000669A1 |
A series of high-grade grade E steels used for weather-resistant bridges, and a single-billet, multi-grade production method therefor. The composition of the steel material in percentages by weight comprises: C: 0.05-0.07%, Si: 0.25-0.45...
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WO/2023/249587A2 |
The present invention mainly relates to the use of a high-resistance low-alloy steel grade steel, which has not previously been used in obtaining radiator panels, as a raw material, and to obtaining a radiator panel having high resistanc...
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WO/2023/248638A1 |
The present invention provides a high-strength steel sheet that is for a sour-resistant line pipe and that has not only excellent HIC resistance and SSCC resistance but also excellent low temperature toughness. A high-strength steel shee...
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WO/2023/246799A1 |
Disclosed in the present invention are a seamless steel tube used for an electric motor shaft and having high strength and toughness and good processing performance, and a manufacturing method therefor. The seamless steel tube comprises ...
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WO/2023/249227A1 |
The present invention relates to a titanium alloy having excellent processability as well as superior mechanical characteristics. A Ti-Al-Fe-Sn-based titanium alloy according to an embodiment of the present invention comprises, in weight...
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WO/2023/246798A1 |
Disclosed in the present invention is a 1,300-MPa-grade or more cold-rolled steel plate having high extension and high hole-expansion performance and a manufacturing method therefor. The cold-rolled steel plate contains Fe and inevitable...
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WO/2023/249295A1 |
A method for manufacturing a non-oriented electrical steel sheet according to one embodiment of the present invention comprises the steps of: providing a steel material containing silicon (Si), manganese (Mn), and aluminum (Al); hot-roll...
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WO/2023/246096A1 |
Provided in the present application are a corrosion-resistant alloy steel bar and a preparation method therefor, wherein the corrosion-resistant alloy steel bar comprises, in percentage by weight: 0.05-0.25% of C, 1.05-2% of Si, 0.3-1.5%...
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WO/2023/246905A1 |
The present invention provides a high-hole-expansion-rate and ultrahigh-plasticity steel and a manufacturing method therefor. The steel comprises the following components in percentage by weight: C: 0.10-0.35%, Si: 0.8-2.0%, Mn: 1.0-2.5%...
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WO/2023/246898A1 |
Provided in the present invention are a high-plasticity steel and a manufacturing method therefor. The steel comprises the following components in percentages by mass: 0.10-0.35% of C, 0.8-2.0% of Si, 1.0-3.0% of Mn, less than or equal t...
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WO/2023/247507A1 |
The invention relates to a shaped sheet-metal part with a steel substrate and an aluminium-based anticorrosive coating arranged on at least one side of the steel substrate. The anticorrosive coating here comprises an Al base layer and an...
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WO/2023/246904A1 |
The present invention provides ultrahigh reaming steel and a manufacturing method therefor. The steel comprises the following components in percentage by weight: C: 0.03-0.09%; Si: ≤0.2%; Mn: 0.5-2.0%; P: ≤0.02%; S: ≤0.003%; Al: 0....
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WO/2023/248556A1 |
Provided is a steel that is for high-frequency hardening, that has excellent cold forging properties, and with which it is possible to omit annealing prior to cold forging and omit heat treatment for thermal refining prior to high-freque...
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WO/2023/246899A1 |
The present invention provides a steel and a manufacturing method therefor. The steel comprises the following components in percentage by mass: C: 0.01-0.10%; Si: ≤0.2%; Mn: 0.5-2.0%; P: ≤0.02%; S: ≤0.003%; Al: 0.01-0.08%; N: ≤0....
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WO/2023/246737A1 |
Disclosed in the present invention are a 1300-MPa-grade-or-higher cold-rolled steel sheet and a manufacturing method therefor. The cold-rolled steel sheet comprises Fe and inevitable impurity elements, and further comprises the following...
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WO/2023/246082A1 |
The present invention relates to hot work die steel and a heat treatment method therefor, and a hot work die. The hot work die steel comprises the following chemical components in percentages by weight: 4.5-12% of Ni, 0.8-2.1% of Al, 0.4...
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