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WO/2023/057106A1 |
The invention relates to a hot-rolled and batch-annealed enamelling steel sheet free of fish scale defects, wherein the steel has a composition comprising, in weight % unless indicated in weight ppm: up to 0.006% C, 0.20-0.390% Mn, 0.01-...
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WO/2023/058630A1 |
Provided is a duplex stainless steel material having excellent general corrosion resistance and pitting corrosion resistance in a supercritical corrosion environment of supercritical CO2 gas containing SOX gas and O2 gas. The duplex stai...
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WO/2023/057948A1 |
A coating apparatus (1) for the continuous manufacturing of steel strips S coated with a varnish for electrical applications comprising a tank (2), a coating roll (3) and an applicator roll (4) wherein: - said tank (2) is able to contain...
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WO/2023/058631A1 |
Provided is a duplex stainless steel material that has excellent whole surface corrosion resistance and pitting corrosion resistance in a supercritical corrosive environment in which supercritical CO2 gas contains SOX gas and O2 gas. Thi...
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WO/2023/058358A1 |
Provided is a ferritic stainless steel pipe having a chemical composition comprising, in % by mass, 0.050% or less of C, 3.0% or less of Si, 1.00% or less of Mn, 0.060% or less of P, 0.0100% or less of S, 14.0 to 25.0% of Cr, 5.0% or les...
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WO/2023/057796A1 |
The international application relates to a coating apparatus for the continuous manufacturing of steel strips coated with a varnish for electrical applications comprising a tank (2), a coating roll (3) and an applicator roll (4) wherein:...
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WO/2023/051668A1 |
Disclosed in the present invention is a bainite steel, which comprises the following chemical components in percentages by mass: 0.10-0.19% of C, 0.05-0.45% of Si, 1.5-2.2% of Mn, 0.001-0.0035% of B, 0.01-0.05% of Al, 0.05-0.40% of Cr, 0...
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WO/2023/054599A1 |
Provided is a duplex stainless steel pipe having high yield strength and excellent machinability. The duplex stainless steel pipe of the present disclosure is composed of, by mass%, C: 0.030% or less, Si: 1.00% or less, Mn: 0.10-7.00%, P...
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WO/2023/053743A1 |
Provided are a high-strength stainless steel seamless pipe for oil wells, and a method for manufacturing same. This high-strength stainless steel seamless pipe for oil wells has a composition containing, in mass%, 0.002-0.05% of C, 0.05-...
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WO/2023/052814A1 |
A cold rolled and heat treated steel sheet having a composition comprising of the following elements, 0.05%≤Carbon≤0.12%, 1.0%≤Manganese≤2%, 0.01 %≤Silicon≤0.5%, 0.01 %≤Aluminum≤0.1 %, 0.01 %≤Niobium≤0.1 %, 0%≤Phosp...
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WO/2023/053837A1 |
Provided are a rectangular steel pipe and a method for manufacturing the same, and a hot-rolled steel sheet and a method for manufacturing the same. This rectangular steel pipe and hot-rolled steel sheet have a prescribed component compo...
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WO/2023/050510A1 |
A method for rolling a 1050 aluminum/08AL steel composite sheet, comprising: S1), placing a rolled aluminum coil and a rolled steel coil on two uncoilers for uncoiling, respectively; S2), after the uncoiling, using NaOH and HCl solutions...
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WO/2023/054343A1 |
Provided is a duplex stainless steel material that has a yield strength of not less than 586 MPa, excellent low-temperature toughness, and excellent corrosion resistance. A duplex stainless steel material according to the present disclos...
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WO/2023/054586A1 |
Provided is a martensitic stainless steel pipe that has a yield strength of 110 ksi or higher and excellent machinability. A martensitic stainless steel pipe according to the present disclosure comprises, by mass, less than 0.030% C, no ...
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WO/2023/055164A1 |
The present invention provides a carbon-coated steel material and a manufacturing method therefor, wherein the carbon-coated steel material has oxidation resistance, sour resistance, and hydrogen induced cracking resistance and can be fo...
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WO/2023/048467A1 |
The present invention relates to steel suitable as a material for automobiles and, particularly, to a high-strength and thick steel sheet having excellent hole expandability and ductility, and a manufacturing method therefor.
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WO/2023/048448A1 |
The present invention relates to: a high-strength cold-rolled steel sheet having excellent surface quality and low mechanical property deviation; and a manufacturing method thereof and, more particularly, to: a high-strength cold-rolled ...
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WO/2023/048449A1 |
The present invention relates to: a high-strength cold-rolled steel sheet having excellent surface quality and low mechanical property deviation; and a manufacturing method therefor. More particularly, the present invention relates to: a...
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WO/2023/048495A1 |
The present invention relates to an ultra-high strength cold-rolled steel sheet having excellent hole expandability and a method for manufacturing same and, more specifically, to an ultra-high strength cold-rolled steel sheet having exce...
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WO/2023/048248A1 |
Provided is a steel material which has exceptional machinability, in which cracking during hot working and melt cracking during induction hardening can be suppressed, and which has exceptional fatigue strength when used as a component fo...
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WO/2023/048450A1 |
The present invention pertains to a high-strength cold-rolled steel sheet having excellent surface quality and low material variation, and a method for manufacturing same. More specifically, the present invention pertains to: a high-stre...
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WO/2023/040034A1 |
A micro-molybdenum-type weather-resistant bridge steel plate, which is made by smelting the following components according to weight ratio: 0.05 to 0.08% C, 0.30 to 0.50% Si, 1.25 to 1.35% Mn, 0.010 to 0.014% P, S≤0.003%, 0.020 to 0.03...
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WO/2023/042279A1 |
Provided is a Fe-Co-based alloy rod material which can achieve excellent magnetic properties reliably. The Fe-Co-based alloy rod material contains crystal grains having a GOS (Grain Orientation Spread) value of 0.5° or more at an area...
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WO/2023/043216A1 |
The present invention relates to a high-strength steel sheet having excellent surface quality due to improved coatability thereof and a method for manufacturing same.
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WO/2023/041953A1 |
The invention deals with a press hardened steel part having a composition comprising, by weight percent: C 0.2 - 0.34 %, Mn 0.50 – 1.24 %, Si 0.5 – 2 %, P ≤ 0.020 %, S ≤ 0.010 %, N ≤ 0.010 %, and comprising optionally one or mo...
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WO/2023/042278A1 |
As products become higher performance, materials themselves will need to have both high strength and favorable magnetic properties to match the uses of the products. Provided is an Fe-Co alloy bar stock that makes it possible to achieve ...
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WO/2023/040581A1 |
Disclosed is a Q500-grade low-alloy structural steel bar and a controlled rolling and controlled cold-rolling method therefor. The chemical composition (wt%) of the bar comprises: C: 0.05％-0.18％, Si: 0.20％-0.40％, Mn: 1.00％-1.60...
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WO/2023/042018A1 |
The invention deals with a press hardened steel part having a composition comprising, by weight percent: C 0.2 - 0.34 %, Mn 0.50 – 1.24 %, Si 0.5 – 2 %, P ≤ 0.020 %, S ≤ 0.010 %, N ≤ 0.010 %, and comprising optionally one or mo...
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WO/2023/035444A1 |
The present application provides a stainless steel wire and a preparation method therefor, and a stainless steel spring. The chemical components of the stainless steel wire comprise, in percentages by mass: 0.03-0.08% of C, 6.50-7.50% of...
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WO/2023/031645A1 |
A hot rolled steel sheet having a composition comprising of elements, 0.02%≤Carbon≤0.2%, 3%≤Manganese≤9%, 0.2%≤Silicon≤1.2%, 0.9%≤Aluminum≤2.5%, 0%≤Phosphorus≤0.03%, 0%≤Sulfur≤0.03%, 0%≤Nitrogen≤0.025%, 0%≤M...
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WO/2023/031357A1 |
Disclosed is a metal strip as an insert for decorative or sealing strips or as an edge protection, in particular for motor vehicles or switch cabinets, said strip being provided with cut and/or punched perforations, wherein the metal str...
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WO/2023/029630A1 |
Disclosed in the present invention are a steel rail in which abrasion and rolling contact fatigue are well coupled and a production method therefor. The chemical components of the steel rail comprise, in percentages by weight: 0.75-0.88%...
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WO/2023/033478A1 |
An aspect of the present invention may provide: a hot-rolled steel sheet that is excellent in terms of yield strength, vibration damping ratio, weldability, and weld site-low temperature toughness, and thus has physical properties suitab...
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WO/2023/029282A1 |
A production method for a high-strength steel plate for engineering machinery. The components of the steel and the weight percentages thereof are as follows: C＝0.10％-0.25％, Si ≤ 0.80％, Mn＝0.80％-1.20％, P ≤ 0.010％, S ...
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WO/2023/031647A1 |
A hot rolled steel sheet having a composition comprising of the elements, 0.02%≤Carbon≤0.2%, 3%≤Manganese≤9%, 0.2%≤Silicon≤1.2%, 0.9%≤Aluminum≤2.5%, 0%≤Phosphorus≤0.03%, 0%≤Sulfur≤ 0.03%, 0%≤Nitrogen≤0.025%, 0...
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WO/2023/027528A1 |
The present invention relates to: a cold rolled steel sheet having excellent weldability, strength, and formability; and a method for manufacturing same.
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WO/2023/024678A1 |
The present disclosure belongs to the field of metal materials. Disclosed are a high-strength steel cord with a low wire breakage rate, and a rolling method and the use thereof. The chemical components of the steel cord may comprise Nb, ...
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WO/2023/025635A1 |
The invention relates to a cold-rolled flat steel product having a tensile strength Rm of at least 780 MPa, a yield point RP0.2 of at least 440 MPa and not more than 600 MPa and an elongation at break A80 of at least 18%, and to a method...
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WO/2023/027129A1 |
The present invention addresses the problem of providing: a ferritic stainless steel which has a wide adequate quenching temperature range, while having high hardness and excellent corrosion resistance after quenching, and which serves a...
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WO/2023/023843A1 |
A process for manufacturing a vehicle part from steel material, such as Mn22B5 steel material, using a single transfer press is provided. The process includes stamping, trimming, and piercing the steel material in the transfer press at r...
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WO/2023/027778A1 |
A steel sheet has a chemical composition containing a predetermined amount of C, Si, Mn, Cu, P, S, Al, and N, and optionally a predetermined amount of one or more selected from the group consisting of Ti, B, Nb, Cr, V, Mo, Ni, As, Sb, Sn...
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WO/2023/019768A1 |
A large-specification long-service-life high-carbon bearing steel bar and a preparation method therefor. The large-specification long-service-life high-carbon bearing steel bar comprises the following components: 0.93-1.05 wt% of C, 1.20...
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WO/2023/022445A1 |
The present invention relates to: a steel material for hot forming, used for a vehicle and the like; a hot-formed member; and a method for manufacturing same. In the method, when the formed steel material is temper rolled, rolling pressu...
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WO/2023/023083A1 |
Embodiments relate to cold-worked steel alloys with improved strength, hardness and corrosion resistance useful for creating products, such as exterior vehicle body components. Processes for preparing cold-worked steel alloys are also de...
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WO/2023/020931A1 |
The invention relates to a flat steel product for hot working, a worked steel sheet part, a process for manufacturing the flat steel product and a process for manufacturing the worked steel sheet product, the flat steel product and the s...
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WO/2023/022130A1 |
A precipitation hardening martensitic stainless steel which contains specific alloy components, with the balance being made up of Fe and unavoidable impurities, while satisfying formula (1) and having a δ cal. (%) of 1.0 to 9.0 as calcu...
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WO/2023/022351A1 |
The present invention provides austenitic stainless steel comprising, by wt%, 0.005-0.03% of C, 0.1-1% of Si, 0.1-2% of Mn, 0.01-0.4 of Cu, 0.01-0.2 of Mo, 6-9% of Ni, 16-19% of Cr, 0.01-0.2% of N, and the remainder of Fe and inevitable ...
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WO/2023/022134A1 |
The present disclosure provides a configuration by which a motor core can be degreased prior to stress-relief annealing without the provision of a heating device or a vacuum device dedicated for degreasing. A heat treatment furnace accor...
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WO/2023/020932A1 |
The invention relates to a flat steel product for hot working, a worked steel sheet part, a process for manufacturing the flat steel product and a process for manufacturing the worked steel sheet product, the flat steel product and the s...
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WO/2023/018081A1 |
The present invention relates to a hot-rolled steel sheet, which can be suitably applied to an automobile chassis structure member and the like, and, more specifically, to a high-strength hot-rolled steel sheet having excellent formabili...
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