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High strength steel sheet having excellent formability and manufacturing method thereof

Номер патента: US20200399729A1
Опубликовано: 24-12-2020
Автор(ы): Je-Woong LEE, Sang-Ho Han
Принадлежит: Posco Co Ltd
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High strength cold rolled steel sheet and method of producing same

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Steel sheet for pipe having excellent hydrogen-induced crack resistance and method for manufacturing same

Номер патента: US20240052450A1. Автор: Kyung-Min Noh. Владелец: Posco Co Ltd. Дата публикации: 2024-02-15.

Advanced high strength zinc plated steel sheet having excellent surface quality and electrical resistance spot weldability and manufacturing method thereof

Номер патента: US20240344164A1. Автор: Kang-min Lee,Kyoo-Young Lee,Ki-Cheol KANG,Yong-Joo Kim,Chung-Hwan LEE. Владелец: Posco Co Ltd. Дата публикации: 2024-10-17.

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High strength cold rolled steel sheet having excellent surface quality and low mechanical property deviation and manufacturing method of the same

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High strength cold rolled steel sheet having excellent surface quality and low mechanical property deviation and manufacturing method of same

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High strength cold-rolled steel sheet for automobile with excellent bendability and formability and method of manufacturing the same

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High yield ratio and high-strength cold-rolled steel sheet and manufacture method thereof

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Номер патента: US20170107591A1. Автор: Hasegawa Kohei,Takashima Katsutoshi. Владелец: . Дата публикации: 2017-04-20.

High-yield-ratio high-strength cold rolled steel sheet and production method therefor

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High strength hot rolled steel sheet and method for manufacturing the same

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High-strength hot rolled steel sheet and method for manufacturing same

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High strength zinc plated steel sheet, high strength member, and production method for high strength zinc plated steel sheet

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High-strength cold-rolled steel sheet excellent in coating film adhesion

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High-strength cold-rolled steel sheet excellent in coating film adhesion

Номер патента: EP1548142B2. Автор: Masahiro Kobe Corp. Res.Lab. in Kobe Steel Nomura,Ikurou KobeCorp. Res.Lab. in Kobe Steel Hashimoto,Yoshinobu Kakogawa Works in Kobe Steel Ltd Omiya,Shinji Kakogawa Works in Kobe Steel Ltd Kozuma,Manabu Kakogawa Works in Kobe Steel Ltd Kamura. Владелец: Kobe Steel Ltd. Дата публикации: 2013-07-03.

Advanced high strength zinc plated steel sheet having excellent surface quality and spot weldability and manufacturing method thereof

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ULTRA-HIGH STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT BENDING WORKABILITY AND METHOD FOR MANUFACTURING SAME

Номер патента: US20180112286A1. Автор: Kim Yong-Woo,SEO Seok-Jong. Владелец: . Дата публикации: 2018-04-26.

Ultra high strength hot-rolled steel sheet having excellent ductility and method for manufacturing same

Номер патента: US20200263270A1. Автор: Sung-il Kim,Seok-Jong SEO. Владелец: Posco Co Ltd. Дата публикации: 2020-08-20.

Utlra high strength hot-rolled steel sheet having excellent ductility and method of manufacturing the same

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STEEL SHEET HAVING EXCELLENT TOUGHNESS, DUCTILITY AND STRENGTH, AND MANUFACTURING METHOD THEREOF

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HIGH TENSILE STRENGTH STEEL HAVING EXCELLENT BENDABILITY AND STRETCH-FLANGEABILITY AND MANUFACTURING METHOD THEREOF

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High-strength cold-rolled steel sheet and high-strength hot-dip galvanized steel sheet excellent in ductility and bendability, and methods for producing them

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High strength cold rolled steel sheet having a tensile strength of 980 MPa or more excellent in workability and impact property, and a method of manufacturing the same

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High-strength cold-rolled steel sheet, high-strength plated steel sheet, and production methods therefor

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Manufacturing method of a high-strength cold-rolled steel sheet having excellent uniform elongation and hole expandability

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High-strength cold-rolled steel sheet, high-strength galvanized steel sheet, and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and weldability,and methods for manufacturing the same

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Thick-walled, high tensile strength steel with excellent CTOD characteristics of the weld heat-affected zone, and manufacturing method thereof

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High strength cold rolled steel sheet having excellent shape freezability, and method for manufacturing the same

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Bake-hardenable high-strength cold-rolled steel sheet and method of manufacturing the same

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HIGH-STRENGTH COLD-ROLLED STEEL SHEET AND PRODUCTION METHOD FOR SAME

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High-strength cold rolled steel sheet and method for manufacturing same

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Thick-walled high-strength hot rolled steel sheet with excellent low-temperature toughness and method for producing same

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A hot-rolled high-strength roll-formable steel sheet with excellent stretch-flange formability and a method of producing said steel

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High-strength hot-rolled steel sheet having excellent stretch flangeability, and method of producing the same

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High-strength cold-rolled steel sheet having excellent bendability

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High-strength hot-rolled steel sheet and manufacturing method therefor, and high-strength electric resistance welded steel pipe and manufacturing method therefor

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High strength hot-rolled steel sheet having excellent ductility, stretch flangeability and uniformity and method of manufacturing the same

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High-strength hot rolled steel sheet and method for producing the same, and high-strength electric resistance welded steel pipe and method for producing the same

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High-strength hot rolled steel sheet and method for producing the same, and high-strength electric resistance welded steel pipe and method for producing the same

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High strength and plasticity steel sheets and method of manufacturing the same

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High-strength hot-rolled steel sheet, hot-rolled plated steel sheet, and manufacturing methods therefor

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High-strength hot-rolled steel sheet and method for manufacturing high-strength hot-rolled steel sheet

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High strength cold rolled steel sheet with high yield ratio and method for producing the same

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High-strength hot-rolled steel sheet and method for producing the same

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Nano-precipitation strengthened cold-rolled batch annealed high strength low alloy steel sheet

Номер патента: US20240026480A1. Автор: Amar Kumar De,Bilin Chen,Siddhartha Biswas,Shobhit Bhartiya,Venkata Sai Yashwanth Injeti. Владелец: Big River Steel LLC. Дата публикации: 2024-01-25.

Nano-precipitation strengthened cold-rolled batch annealed high strength low alloy steel sheet

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Thick-walled high-strength hot rolled steel sheet with excellent low-temperature toughness and method of producing same

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Austenitic, low-density, high-strength steel strip or sheet having a high ductility, method for producing said steel and use thereof

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Austenitic, low-density, high-strength steel strip or sheet having a high ductility, method for producing said steel and use thereof

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Thick-wall high-strength hot-rolled steel sheet with high tensile strength, high-temperature toughness, and method of its production

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High-strength hot-rolled steel sheet

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High-strength hot-rolled steel sheet and method for manufacturing same

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High-strength cold-rolled steel sheet, high-strength coated or plated steel sheet, method of producing high-strength cold-rolled steel sheet, and method of producing high-strength coated or plated steel sheet

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High-strength cold-rolled steel sheet, high-strength coated or plated steel sheet, method of producing high-strength cold-rolled steel sheet, method of producing high-strength coated or plated steel sheet, and automotive part

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High-strength hot-rolled steel sheet and method for manufacturing same

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High strength cold rolled steel sheet for automotive use

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High-strength hot-rolled steel sheet

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High-strength hot-rolled steel sheet, hot-rolled plated steel sheet, and manufacturing methods therefor

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High strength hot rolled steel sheet with excellent press workability and method of manufacturing the same

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High-strength hot-rolled steel sheet and method for manufacturing the same

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Advanced high strength cold rolled steel sheet having excellent surface quality and electrical resistance spot weldability and manufacturing method thereof

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High-strength cold rolled steel sheet and galvanized steel sheet having excellent formability and method for manufacturing the same

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High-strength cold rolled steel sheet and galvanized steel sheet having excellent formability and method for manufacturing the same

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Si-containing high-strength cold rolled steel sheet, method of producing the same, and automotive members (as amended)

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High-strength aluminum coated steel sheet having excellent anti-corrosion properties and weldability, and manufacturing method thereof

Номер патента: EP4265814A4. Автор: Myung-Soo Kim,Suk-Kyu Lee,Jong-Gi Oh. Владелец: Posco Co Ltd. Дата публикации: 2024-06-05.

High-strength hot-dip galvanized steel sheet with high ductility and excellent formability, and manufacturing method for same

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HIGH-STRENGTH STEEL SHEET AND HIGH-STRENGTH ZINC-COATED STEEL SHEET WHICH HAVE EXCELLENT DUCTILITY AND STRETCH-FLANGEABILITY AND MANUFACTURING METHOD THEREOF

Номер патента: US20130167980A1. Автор: Maruyama Naoki,Suzuki Noriyuki,KAWATA Hiroyuki,Yoshinaga Naoki,Wakabayashi Chisato,Murasato Akinobu. Владелец: NIPPON STEEL & SUMITOMO METAL CORPORATION. Дата публикации: 2013-07-04.

Plated steel sheets for hot press forming having excellent hydrogen brittleness resistance and impact resistance, hot press formed parts, and manufacturing methods thereof

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HIGH-STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY AND COLLISION CHARACTERISTICS AND HAVING TENSILE STRENGTH OF 980 MPa OR MORE, AND METHOD FOR PRODUCING SAME

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Ultra high strength cold rolled steel sheet having excellent spot weldability and formability, ultra high strength plated steel sheet and manufacturing method therefor

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HIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY AND METHOD FOR MANUFACTURING THE SAME

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BAINITE-CONTAINING-TYPE HIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT ISOTROPIC WORKABILITY AND MANUFACTURING METHOD THEREOF

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High-strength cold-rolled steel sheet with excellent material homogeneity and production method therefor

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High hardness armored steel having excellent low-temperature impact toughness, and manufacturing method therefor

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High-strength cold-rolled steel sheet having excellent stretch flangeability and precision punchability and manufacturing method thereof

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High strength hot-rolled steel sheet having excellent formability, and manufacturing method therefor

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High-strength hot-rolled steel sheet having excellent local deformability and manufacturing method thereof

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High-strength steel sheet having excellent room-temperature formability and warm formability, and warm forming method thereof

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Manufacturing method of high-strength steel sheet excellent in balance of hole expandability and ductility, and manufacturing method of galvanized steel sheet

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Method for manufacturing high-strength cold-rolled steel sheet and hot-dip galvanized high-strength steel sheet

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High-strength cold-rolled steel sheet and high-strength surface-treated steel sheet that have excellent fatigue properties of the base metal and formability after welding, and are difficult to soften the heat affected zone.

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Method for producing high-strength hot-rolled steel sheet having excellent elongation and stretch flange characteristics and tensile strength of 780 MPa or more

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Production of high-strength cold rolled steel sheet having excellent local ductility

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High strength hot rolled steel sheet having excellent stretch-flanging property and its production method

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Super high strength steel pipe excellent in low temperature toughness of seam welded portion and manufacturing method thereof

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High-strength hot-rolled steel sheet excellent in workability and welding characteristics and manufacturing method thereof

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High-strength hot-rolled steel sheet with excellent stretch flangeability and manufacturing method thereof

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Method for producing high-strength hot-rolled steel sheet with excellent workability and surface properties

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Method for producing high-strength cold-rolled steel sheet with excellent ductility and strain age hardening characteristics

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High-strength hot-rolled steel sheet with excellent chemical conversion and workability

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High-strength cold-rolled steel sheet with excellent stretch formability

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Method for producing high-strength hot-rolled steel sheet with excellent hole expandability and ductility

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High strength hot rolled steel sheet and method for producing the same

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High-strength hot-rolled steel sheet excellent in elongation characteristics, stretch flange characteristics and tensile fatigue characteristics, and method for producing the same

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