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WO/2022/067961A1 |
Disclosed in the present invention is a low-cost high-performance Q500 bridge steel, relating to the technical field of steel production. The Q500 bridge steel comprises the following chemical components in percentage by mass: C≤0.035%...
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WO/2022/068856A1 |
High-carbon bearing steel having high isotropy and long contact fatigue life and a manufacturing method. Components of said steel are designed as: C: 0.93-1.05 wt%, Cr: 1.45-1.60 wt%, Si: 0.20-0.35 wt%, Mn: 0.25-0.45 wt%, P≤0.015 wt%, ...
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WO/2022/069291A1 |
The electric machine has a stator (80) and/or rotor with a stack (10) of soft-magnetic laminations (20) which are close to one another at flat sides (30, 50) of the laminations (20), and at least one of the flat sides (50) at which two a...
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WO/2022/062692A1 |
Disclosed are a non-oriented silicon steel and a production method therefor. The non-oriented silicon steel is prepared using molten iron desulfurization, converter smelting, RH refining, continuous casting, hot rolling, acid continuous ...
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WO/2022/065797A1 |
Provided are a high-strength thick hot-rolled steel sheet having excellent elongation and a method for manufacturing same. The high-strength thick hot-rolled steel sheet of the present invention comprises, by weight%: 0.05-0.15% of C; 0....
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WO/2022/065772A1 |
Provided are a hot rolled steel sheet having excellent crashworthiness and a method for manufacturing same. The hot rolled steel sheet of the present invention contains, in weight%, 0.05-0.13% of carbon (C), 0.2-2.0% of silicon (Si), 1.3...
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WO/2022/062574A1 |
Disclosed is a toughening regulation method for a super-thick steel plate. According to the present application, an existing industrial EH47 continuous casting billet is used as a raw material, two thermo-mechanical control processes (TM...
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WO/2022/064248A1 |
A cold rolled and coated steel sheet, the steel comprising 0.30% ≤ carbon ≤ 0.45%, 1% ≤ manganese ≤ 2.5%, 0.9% ≤ silicon ≤ 2.2%, 0% ≤ aluminum ≤0.09%, 0.001%≤ niobium ≤ 0.09%, 0%≤ phosphorus ≤ 0.02%, 0%≤ sulfur ...
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WO/2022/058461A2 |
The invention relates to a method for producing three-dimensional magnetic shields having sufficient permeability from unannealed, soft-annealed or magnetically annealed magnetically soft metal sheets, wherein the metal sheet is cold for...
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WO/2022/059877A1 |
Austenitic stainless steel contains 14-19 wt% of chromium (Cr), 2-10 wt% of nickel (Ni), 2-20 wt% of manganese (Mn), 0.01-0.1 wt% of carbon (C), and 0.1-1 wt% of tantalum (Ta) and has an austenitic matrix structure, wherein fine tantalum...
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WO/2022/054898A1 |
The purpose of the present invention is to provide a thick steel sheet that has high strength, superior elongation and fatigue crack propagation properties throughout the entire thickness thereof, and superior toughness, as well as a man...
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WO/2022/052335A1 |
A thick low-carbon-equivalent high-toughness wear-resistant steel plate and a manufacturing method therefor, relating to the technical field of steel production. The steel plate comprises the following chemical components by mass percent...
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WO/2022/053103A1 |
The invention relates to a method for producing a chain element (2, 3), comprising the following steps: - providing a component made of steel and having a carbon content in the range from 0.3 to 0.7% by weight; - austenitizing the compon...
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WO/2022/053353A1 |
The invention relates to a nickel-based alloy material. The nickel-based alloy material consists of in percent by weight: Chromium: 20.00 to 22.50 %, Molybdenum: 11.50 to 14.50 %, Iron: 2.00 to 6.00 %, Copper: 2.10 to 6.00 %, Tungsten: 2...
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WO/2022/054866A1 |
A steel sheet having a chemical composition comprising, in % by mass, 0.050 to 0.200% of C, 0.10 to 1.00% of Si, 0.50 to 2.00% of Mn, 0.030% or less of P, 0.010% or less of S, 0.002 to 0.050% of Al, 0.0010 to 0.0060% of N, 0.0005 to 0.00...
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WO/2022/053482A1 |
The present application relates to an installation (1) and a method for the continuous casting and subsequent rolling flat of a steel strip (2) with an austenitic and/or ferritic microstructure and a thickness of less than 1.0 mm, compri...
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WO/2022/050635A1 |
The present specification relates to austenitic stainless steel which can be utilized as various materials for an outer panel of a vehicle, a component for construction and the like, and a manufacturing method thereof. According to an em...
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WO/2022/048822A1 |
A steel cord comprises two or more steel wires that are twisted together, the steel wires have a carbon content of more than 0.70% in weight, at least one of the steel wires has a diffusible hydrogen amount from 0.001 ppm to 0.35 ppm and...
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WO/2022/050501A1 |
The present invention provides: a material for hot stamping, which is capable of securing excellent mechanical properties and hydrogen delayed fracture properties of hot-stamped parts; and a method for manufacturing same, the material tr...
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WO/2022/048990A1 |
The invention provides a steel component which is optimally protected against corrosion and produced by hot-shaping a steel flat product, and also provides a method and a steel flat product which permit the practical production of a stee...
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WO/2022/048803A1 |
The invention relates to a non-grain-oriented flat metal product, which inter alia has a comparatively high weight proportions of Mn and Cr. The invention also relates to a method of production and to a use.
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WO/2022/050500A1 |
The present invention provides: a material for hot stamping, whereby excellent mechanical properties and hydrogen delayed fracture properties can be achieved in hot stamping parts; and a method for manufacturing same. The material for ho...
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WO/2022/050536A1 |
The present invention provides a hot stamping material and a production method therefor, whereby excellent mechanical properties and hydrogen delayed fracture properties of a hot-stamped component may be secured, the hot stamping materia...
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WO/2022/050283A1 |
A grain-oriented electromagnetic steel sheet having excellent coating film properties and excellent magnetic properties is produced stably. A method for producing a grain-oriented electromagnetic steel sheet according to the present inve...
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WO/2022/049282A1 |
The invention relates to a hot-rolled flat steel product, which consists of a steel comprising 0.03-0.65 wt.% carbon, 0.1-2.5 wt.% manganese, optional elements, the rest being iron and unavoidable impurities. The flat steel product has a...
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WO/2022/050535A1 |
The present invention provides a material, for hot stamping, which can acquire excellent mechanical properties and hydrogen delayed fracture characteristic for a hot stamping component, and a preparation method thereof, the material for ...
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WO/2022/050053A1 |
Provided is a grain-oriented electromagnetic steel sheet that makes it possible to simultaneously achieve low noise and sufficiently low transformer core loss. A grain-oriented electromagnetic steel sheet that has a tension coating on th...
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WO/2022/050818A1 |
The present invention provides a high-strength steel sheet and a method for manufacturing same, wherein the high-strength steel sheet is a material suitable for automobile structural members and has excellent moldability, such as hole ex...
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WO/2022/049150A1 |
The invention relates to a method for inductively hardening an edge layer of a surface (6) encircling an annular component (4). The circumferential surface (6) has a starting zone (8), an intermediate zone (10) adjoining the starting zon...
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WO/2022/042730A1 |
A low-carbon martensitic high hole expansion steel with a tensile strength above 980 MPa, and a manufacturing method therefor, the weight percentage of the chemical components thereof being: C 0.03-0.10%, Si 0.5-2.0%, Mn 1.0-2.0%, P≤0....
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WO/2022/045221A1 |
The present invention provides a powder for an annealing separator for use in a grain-oriented electrical steel sheet, capable of obtaining a grain-oriented electrical steel sheet having good purification of impurities in steel and excel...
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WO/2022/045704A1 |
The present invention relates to a structural ultra-thick steel material having excellent surface portion NRL-DWT physical properties and a method for manufacturing same and, in particular, to a structural ultra-thick steel material and ...
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WO/2022/042727A1 |
A 780 MPa-grade ultra-high reaming steel having high surface quality and high performance stability, and a manufacturing method therefor. The ultra-high reaming steel comprises the following components in percentage by weight: 0.03-0.08%...
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WO/2022/044495A1 |
This hot-rolled steel sheet has a predetermined chemical compositional makeup, and has a metal structure including, in area%, less than 3.0% of retained austenite, not less than 15.0% but less than 60.0% of ferrite, and less than 5.0% of...
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WO/2022/045351A1 |
A steel sheet in which: the chemical composition includes, in terms of mass%, 0.040-0.160% of C, 0.01-0.50% of Si, 0.70-2.50% of Mn, 0.030% or less of P, 0.020% of less of S, 0.001-0.100% of Al, 0.0010-0.0080% of N, and 0.003-0.050% of N...
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WO/2022/044494A1 |
This hot-rolled steel sheet has a predetermined chemical composition and is configured such that: with respect to the metal structure thereof, residual austenite constitutes less than 3.0% by area, ferrite constitutes less than 15.0% by ...
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WO/2022/044493A1 |
This hot-rolled steel sheet has a predetermined chemical compositional makeup, and has a metal structure including, in area%, less than 3.0% of retained austenite, not less than 15.0% but less than 60.0% of ferrite, and less than 5.0% of...
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WO/2022/044271A1 |
This electric resistance welded steel pipe comprises a base material part having a predetermined chemical composition and a welded part. If tB is the wall thickness of the base material part and tS is the wall thickness of the welded par...
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WO/2022/045350A1 |
This steel sheet has a chemical compositional makeup of, in mass%, 0.040-0.160% of C, 0.01-0.50% of Si, 0.70-2.50% of Mn, not more than 0.030% of P, not more than 0.020% of S, not more than 0.010% of Al, 0.0010-0.0080% of N, 0.0005-0.004...
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WO/2022/045648A1 |
The present invention relates to a steel sheet suitable as a material for transporting oil and gas and, more particularly, to a hot-rolled steel sheet having excellent impact toughness in a welded zone after electric resistance welding (...
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WO/2022/042733A1 |
A 780 MPa grade high-surface ultra-high reaming steel and a manufacturing method therefor. The chemical components of the reaming steel, in weight percentages, are: 0.03-0.08% of C, ≤0.2% of Si, 0.5-2.0% of Mn, ≤0.02% of P, ≤0.003%...
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WO/2022/045349A1 |
Provided is a steel sheet having a chemical composition of, in mass percentage, 0.040-0.160% of C, 0.01-0.50% of Si, 0.70-2.50% of Mn, 0.030% or less of P, 0.020% or less of S, 0.001-0.100% of Al, 0.0010-0.0080% of N, 0.003-0.050% of Nb,...
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WO/2022/042731A1 |
Disclosed are a 980 MPa-grade bainite high hole expansion steel and a manufacturing method therefor. The steel contains the following chemical components in percentages by weight: 0.05-0.10% of C, 0.5-2.0% of Si, 1.0-2.0% of Mn, P≤0.02...
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WO/2022/045703A1 |
The present invention relates to a structural ultra-thick steel with excellent surface NRL-DWT properties, and a manufacturing method therefor, and, specifically, to a structural ultra-thick steel and a manufacturing method therefor, the...
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WO/2022/042622A1 |
GPa-grade bainite steel having an ultra-high yield ratio, containing, in addition to Fe, the following chemical elements in mass percentages: 0.12-0.24% of C; 0.2-0.5% of Si; 1.3-2.0% of Mn; 0.001-0.004% of B; 0.01-0.05% of Al; and at le...
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WO/2022/044492A1 |
This hot-rolled steel sheet has a specified chemical composition and has a metal structure in which, in area%, the total of martensite and tempered martensite accounts for more than 92.0% and not more than 100.0%, retained austenite acco...
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WO/2022/045352A1 |
Provided is a steel sheet having a chemical composition of, in mass percentage, 0.040-0.160% of C, 0.01-0.50% of Si, 0.70-2.50% of Mn, 0.030% or less of P, 0.020% or less of S, 0.001-0.100% of Al, 0.0010-0.0080% of N, 0.003-0.050% of Nb,...
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WO/2022/045264A1 |
The present invention relates to an oriented electromagnetic steel sheet manufacturing method for controlling a magnetic domain structure to reduce iron loss, and proposes a technique in which an iron loss reduction effect can be maintai...
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WO/2022/045353A1 |
A steel sheet the chemical composition of which, in mass%, contains 0.040-0.160% of C, 0.01-0.50% of Si, 0.70-2.50% of Mn, 0.030% or less of P, 0.020% or less of S, 0.001-0.100% of Al, 0.0010-0.0080% of N, 0.003-0.050% of Nb, 0.0001-0.00...
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WO/2022/038135A1 |
The invention relates to a process for manufacturing a flat steel product (9) having a prealloyed corrosion-resistant coating (13), comprising at least the following steps: - providing a coated flat steel product (9) comprising a steel s...
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