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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/2024/022531A1 |
Disclosed in the present disclosure are a corrosion-resistant and wear-resistant steel plate and a manufacturing method therefor. The steel plate comprises, in percentages by weight: C: 0.15% ≤ C ≤ 0.25%; Si: 0.10% ≤ Si ≤ 0.50%; ...
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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/2024/024401A1 |
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/2024/024236A1 |
Provided is a microbiologically assisted cracking-resistant low-alloy steel that is practical in terms of production. The microbiologically assisted cracking-resistant low-alloy steel comprises C: 0.30% or less, Mn: 0.10-3.00%, P: 0.030%...
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WO/2024/022530A1 |
A steel plate for a box of a large mining dump truck in an extremely cold zone and a manufacturing method therefor. The steel plate is divided into a composite-layer steel plate and a base-layer steel plate. The composite-layer steel pla...
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WO/2024/019604A1 |
A hot-rolled steel sheet and a manufacturing method therefor are provided. The hot-rolled steel sheet of the present invention comprises, in wt%, 0.03-0.08% of C, 0.01-1.0% of Si, 1.0-2.0% of Mn, 0.01-0.1% of Sol.Al, 0.005-0.5% of Cr, 0....
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WO/2024/020145A1 |
Disclosed herein are duplex stainless steel alloys comprising 40 wt% – 60 wt% ferrite and 60 wt% – 40 wt% austenite and methods of formation thereof, the alloys including or consisting essentially of from 10 wt% to 20 wt% chromium (C...
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WO/2024/016543A1 |
High-strength and high-toughness hot-rolled H-shaped steel for a building and a preparation method therefor. The H-shaped steel comprises the following chemical components in percentage by weight (wt%): C: 0.06-0.10; Si: ≤0.25; Mn: 0.8...
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WO/2024/019478A1 |
The present invention provides a non-oriented electric steel sheet comprising 2.8 to 3.8 wt% of silicon (Si), 0.2 to 0.5 wt% of manganese (Mn), 0.5 to 1.2 wt% of aluminum (Al), 0 (exclusive) to 0.002 wt% of carbon (C), 0 (exclusive) to 0...
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WO/2024/016419A1 |
A low-yield-ratio weather-resistant bridge steel and a manufacturing method, relating to the technical field of steel production. The chemical components of the bridge steel are as follows, in percentage by mass: 0.06%-0.09% of C, 0.15%-...
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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/2024/017345A1 |
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/2024/012225A1 |
The present application provides a silver alloy and a preparation method therefor, a conductive film, and a display device. The silver alloy comprises silver, a first doping substance, and a second doping substance' the first doping subs...
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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/2024/014098A1 |
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/2024/013542A1 |
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/2024/012439A1 |
Disclosed in the present invention is a laser scribing method for an oriented silicon steel plate. When the laser scribing method is used for performing surface laser scribing on an oriented silicon steel plate, a plurality of focused li...
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WO/2024/013366A1 |
This invention relates to a method for producing cold-rolled steel strip.
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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/2024/009564A1 |
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/2024/010232A1 |
The present invention relates to a differential heat treatment method for a forming roller, which can extend the lifetime of a forming roller and simultaneously improve productivity by differential heat treatment of the inner circumferen...
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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/2024/008480A1 |
A method for improving temperature longitudinal homogeneity of a steel strip (100), in particular a low carbon alloyed steel strip (100) dedicated to liquid metal coating, continuously running at a line speed in a temperature homogenizat...
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WO/2024/004565A1 |
Provided is a non-magnetic fine stainless steel processed product that has a tapered tip formed of a stainless steel crystal structure having a crystal grain size of 1 μm or less at the tip of a main body made of fine stainless steel. T...
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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/2024/002155A1 |
Disclosed in the present invention is a manufacturing method for a strip steel having variable strength and hardness in a width direction, comprising steps of: steelmaking, refining, continuous casting, rolling, and continuous annealing....
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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/2024/002209A1 |
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/2024/000669A1 |
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/2023/247393A1 |
The invention relates to a method for producing a press-hardened door ring (210) and at least one additional press-hardened component (220) for a motor vehicle, comprising: - providing a shaped blank, comprising a first region having a d...
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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/2023/246798A1 |
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/2023/247507A1 |
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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