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High-strength steel sheet having superior workability, and manufacturing method therefor

Номер патента: EP4079901A1
Опубликовано: 26-10-2022
Автор(ы): Jae-Hoon Lee, Sang-Ho Han
Принадлежит: Posco Co Ltd
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Impact resistant high strength steel

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High manganese 3rd generation advanced high strength steels

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High-strength steel sheet for acid-resistant line, method for producing same, and high-strength steel pipe using high-strength steel sheet for acid-resistant line

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HIGH STRENGTH STEEL SHEET FOR ACID RESISTANT PIPES, PRODUCTION METHOD AND HIGH STRENGTH STEEL PIPE USING HIGH STRENGTH STEEL SHEET FOR ACID RESISTANT PIPES

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High-strength steel sheet and manufacturing method therefor

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High strength steel sheet having superior formability and method for manufacturing there of

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High-strength steel sheet and galvanized steel sheet having very good balance between hole expansibility and ductility, and also excellent in fatigue resistance, and methods of producing the steel sheets

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High-strength steel sheet and galvanized steel sheet having very good balance between hole expansibility and ductility, and also excellent in fatigue resistance, and methods of producing the steel sheets

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High-strength steel and high-strength bolt with excellent resistance to delayed fracture, and manufacturing method therefor

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High-strength steel with excellent toughness of welding heat affected zone and manufacturing method thereof

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High-strength steel having superior brittle crack arrestability, and production method therefor

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HIGH-STRENGTH STEEL HAVING SUPERIOR BRITTLE CRACK ARRESTABILITY, AND PRODUCTION METHOD THEREFOR

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High-strength steel having superior brittle crack arrestability, and production method therefor

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High strength steel sheet

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High-strength steel sheets which are extreamely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both

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High-strength steel sheet and galvanized steel sheet with excellent balance between hole expansibility and ductility and excellent fatigue durability, and methods for producing these steel sheets

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High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both

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High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both

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High-strength steel sheet for acid-resistant line pipe and high-strength steel pipe using same

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High strength steel sheet and manufacturing method thereof

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High strength steel sheet having excellent ductility and workability, and method for manufacturing the same

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High strength steel plate for sour-resistant line pipe and method for manufacturing same, and high strength steel pipe using high strength steel plate for sour-resistant line pipe

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High strength steel plate for sour-resistant line pipe, method for manufacturing same, and high strength steel pipe using high strength steel plate for sour-resistant line pipe

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High strength steel plate for sour-resistant line pipe and method for manufacturing same, and high strength steel pipe using high strength steel plate for sour-resistant line pipe

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High strength steel sheet having excellent ductility and stretch flangeability

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METHOD FOR MANUFACTURING HIGH STRENGTH STEEL SHEET HAVING EXCELLENT FORMABILITY

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HIGH STRENGTH STEEL SHEET HAVING EXCELLENT CRYOGENIC TEMPERATURE TOUGHNESS AND LOW YIELD RATIO PROPERTIES, AND METHOD FOR MANUFACTURING SAME

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High-strength steel sheet having excellent low yield ratio property and low temperature toughness and method for manufacturing the same

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Manufacturing method of high workability high strength steel sheet with excellent hot dip galvanizing characteristics

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High strength steel sheet having excellent cryogenic temperature toughness and low yield ratio properties, and method for manufacturing same

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High-strength steel sheet having excellent ductility and hole expansibility

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High strength steel sheet having ultra low temperature toughness and method for manufacturing the same

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High-strength steel sheet having excellent delayed fracture resistance

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High strength steel sheet having excellent cryogenic temperature toughness and low yield ratio properties, and method for manufacturing same

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High strength steel sheet having excellent delayed fracture resistance

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High-strength steel, method for manufacturing high-strength steel, steel pipe, and method for manufacturing steel pipe

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High strength steel sheet having excellent workability and method for manufacturing same

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High strength steel sheet having excellent workability and method for manufacturing same

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High-strength hot-dipped galvanized steel sheet having excellent surface quality and spot weldability, and manufacturing method therefor

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High-strength hot-dipped galvanized steel sheet having excellent surface quality and spot weldability, and manufacturing method therefor

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Process and steel alloys for manufacturing high strength steel components with superior rigidity and energy absorption

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High-strength steel sheet and method of making same

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Boron-added high strength steel for bolt and high strength bolt having excellent delayed fracture resistance

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High burring, high strength steel sheet excellent in softening resistance of weld heat affected zone and method of production of same

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High strength steel material for oil well, excellent in sulfide stress cracking resistance, and production method thereof

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High-strength steel sheets excellent in hole-expandability and ductility

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Boron-added high strength steel for bolt and high strength bolt having excellent delayed fracture resistance

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High-strength steel allowing low-temperature welding and high-heat input welding and production method thereof

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Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof

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High strength steel tube and method of manufacturing a high strength steel tube

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Sheet out of high strength steel possessing higher ductility and procedure of its production

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High strength steel rod of large gauge

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High-yield-ratio ultra-high-strength steel sheet having excellent thermal stability, and manufacturing method therefor

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High-strength steel sheet having excellent surface quality and manufacturing method therefor

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High-yield ratio high-strength steel plate having excellent impact resistance after cold forming and manufacturing method therefor

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High-yield-ratio ultra-high-strength steel sheet having excellent thermal stability, and manufacturing method therefor

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High-strength steel having excellent low-temperature viscosity and excellent viscosity in thermally affected zone of welding joint (options), method for manufacturing such steel, method for manufacturing sheet from indicated steel, high-strength steel tube (option), and a method for manufacturing high-strength steel tube

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High-strength steel sheet of higher thermal hardening and forming capacity and method of its production

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High-strength steel sheet and manufacturing method therefor

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High-strength steel sheet and method of producing molten steel for high-strength steel sheet

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Method of producing high-strength steel part

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High-strength steel sheet excellent in resistance to stress-relief annealing and in low-temperature joint toughness

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High-strength steel sheet and manufacturing method thereof

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Dual-phase type high-strength steel sheets having high impact energy absorption properties and a method of producing the same

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High-strength steel sheet having excellent deep drawability and process for producing the same

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High-strength steel sheet and method for manufacturing same

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High-strength steel and method of its production

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High-strength steel sheet suitable for deep drawing and process for producing the same

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High strength steel sheet and method for manufacturing the same

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690 MPa-graded easy-to-weld corrosion-resisting high-strength steel and manufacturing method therefor

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High-strength steel sheet excellent in resistance to stress-relief annealing and low-temperature joint toughness

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High-strength steel sheet excellent in resistance to stress-relief annealing and low-temperature joint toughness

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High-strength steel sheet having excellent yield strength and formability, and method for manufacturing thereof

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Method for Manufacturing a High Strength Steel Sheet having Improved Formability and Sheet Obtained

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High-strength steel for massive parts

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High-strength steel sheet and production method therefor

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High-strength steel sheets with excellent resistance to delayed fracture after forming, method for manufacturing the same, and high-strength automotive part manufactured of the same

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Ultra-high strength steel sheet having excellent formability, and method for manufacturing thereof

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Ultra-high-strength steel sheet having excellent hole expandability and yield ratio and method for preparing same

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High strength steel sheet having excellent formability

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High strength steel sheet having excellent formability, and method for producing the same

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High-strength steel sheet having enhanced formability

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Transformation einforcement type ultra high strength steel sheet having excellent formability, and method for producing the same

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High strength steel sheet having excellent workability property, and method for manufacturing the same

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Steel rod and high strength steel wire having superior ductility and production method thereof.

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Steel rod and high strength steel wire having superior ductility and methods of production of same

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High strength steel sheet having excellent formability

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High-strength steel sheet with excellent workability and its manufacturing method

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Method for producing high-strength steel sheet and produced sheet

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High yield ratio and high strength steel sheet having excellent thermal stability, and manufacturing method therefor

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High yield ratio and high strength steel sheet having excellent thermal stability, and manufacturing method therefor

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High-strength steel sheet and manufacturing method therefor

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Cold rolled strip of high-strength steel, which is obtained with continuous annealing, and manufacturing method of above steel

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High strength steel products and annealing processes for making the same

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High strength steel sheet and method for manufacturing same and member

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Method of manufacturing high-strength steel sheet for a can

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Method for manufacturing high-strength steel reinforcement

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High strength steel sheet

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High-strength steel sheet and method for producing same

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High-strength steel sheet and method for producing the same (as amended)

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High strength steel for induction hardening

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High-strength steel bar and production method therefor

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High-strength steel sheet

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High-strength steel sheet

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High-strength steel sheet

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High strength steel with improved mechanical properties

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Warm Forming High-Strength Steel Structural Members

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Cold-worked high-strength steel and flat article made thereof

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Cold rolled and continuously annealed high strength steel strip and method for producing said steel

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High-strength steel sheet having superior ductility and manufacturing method therefor

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Non-oriented electrical steel sheet and manufacturing method therefor

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Method of making high strength steel crane rail

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METHOD FOR PRODUCING A HIGH STRENGTH STEEL SHEET HAVING IMPROVED STRENGTH AND FORMABILITY AND OBTAINED SHEET

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High strength thin steel sheet excellent in hole expansibility and ductility

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High-ductility, high-strength steel product and process for production thereof

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High-strength steel sheet with excellent low temperature toughness and manufacturing method thereof

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Ultra high strength steel sheet having excellent thermal stability and high yield ratio and method for manufacturing thereof

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Hot-rolled air-cooled bainite high-toughness high-strength steel plate with tensile strength of more than or equal to 1300MPa and manufacturing method thereof

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High strength steel sheet with increased ductility and manufacturing process therefor

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Ultra high strength steel sheet having excellent punching section quality and method for manufacturing thereof

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High-strength steel sheet with high proof/ultimate factor, high-strength cold-rolled steel sheet with high proof/ultimate factor, high-strength galvanised steel sheet with high proof/ultimate factor, high-strength dip galvanised steel sheet with high proof/ultimate factor, high-strength annealed dip galvanised steel sheet with high proof/ultimate factor, method of manufacture of high-strength cold-rolled steel sheet with high proof/ultimate factor, method of manufacture of high-strength dip galvanised steel sheet with high proof/ultimate factor, and method of manufacture of high-strength annealed dip galvanised steel sheet with high proof/ultimate factor

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