EP2799575A4 - HOT ROLLED STEEL SHEET WITH HIGH STRENGTH AND METHOD OF MANUFACTURING SAME - Google Patents

HOT ROLLED STEEL SHEET WITH HIGH STRENGTH AND METHOD OF MANUFACTURING SAME

Info

Publication number: EP2799575A4
Authority: EP; European Patent Office
Prior art keywords: steel sheet; high strength; rolled steel; hot rolled; manufacturing same
Prior art date: 2011-12-27
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP12863451.6A

Other languages

German (de)

French (fr)

Other versions

EP2799575B1 (en

EP2799575A1 (en

Inventor

Hiroshi Nakata

Tomoaki Shibata

Chikara Kami

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

JFE Steel Corp

Original Assignee

JFE Steel Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2011-12-27

Filing date

2012-12-21

Publication date

2015-10-28

2012-12-21 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2014-11-05 Publication of EP2799575A1 publication Critical patent/EP2799575A1/en

2015-10-28 Publication of EP2799575A4 publication Critical patent/EP2799575A4/en

2016-12-21 Application granted granted Critical

2016-12-21 Publication of EP2799575B1 publication Critical patent/EP2799575B1/en

Status Active legal-status Critical Current

2032-12-21 Anticipated expiration legal-status Critical

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/003—Cementite
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/009—Pearlite

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Manufacturing & Machinery (AREA)
Heat Treatment Of Steel (AREA)

EP12863451.6A 2011-12-27 2012-12-21 Hot rolled high tensile strength steel sheet and method for manufacturing same Active EP2799575B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2011285906		2011-12-27
PCT/JP2012/008211 WO2013099192A1 (en)	2011-12-27	2012-12-21	High-tension hot rolled steel sheet and method for manufacturing same

Publications (3)

Publication Number	Publication Date
EP2799575A1 EP2799575A1 (en)	2014-11-05
EP2799575A4 true EP2799575A4 (en)	2015-10-28
EP2799575B1 EP2799575B1 (en)	2016-12-21

Family

ID=48696734

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP12863451.6A Active EP2799575B1 (en)	2011-12-27	2012-12-21	Hot rolled high tensile strength steel sheet and method for manufacturing same

Country Status (7)

Country	Link
US (1)	US20140352852A1 (en)
EP (1)	EP2799575B1 (en)
JP (1)	JP5812115B2 (en)
KR (1)	KR101664635B1 (en)
CN (1)	CN104011245B (en)
IN (1)	IN2014KN01252A (en)
WO (1)	WO2013099192A1 (en)

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CN105555983B (en)	2013-12-25	2018-01-09	新日铁住金株式会社	Oil well electric welded steel pipe
RU2653031C2 (en)	2014-03-31	2018-05-04	ДжФЕ СТИЛ КОРПОРЕЙШН	Steel for high-definition pipes of major pipelines with stress aging and hydrogen attack high resistance, method for their manufacturing and welded steel pipe
JP6369347B2 (en) *	2015-02-13	2018-08-08	Ｊｆｅスチール株式会社	High-strength thick-walled spiral steel pipe for conductor casing for deep well and manufacturing method thereof
CA2980985C (en) *	2015-03-27	2020-06-09	Jfe Steel Corporation	High-strength steel, method for manufacturing high-strength steel, steel pipe and method for manufacturing steel pipe
CA2976745C (en)	2015-03-27	2020-08-11	Jfe Steel Corporation	High-strength steel, method for manufacturing high-strength steel, steel pipe, and method for manufacturing steel pipe
US11220721B2 (en) *	2017-01-20	2022-01-11	Thyssenkrupp Steel Europe Ag	Hot rolled flat steel product consisting of a complex-phase steel with a largely bainitic microstructure and method for manufacturing such a flat steel product
CN109722611B (en) *	2017-10-27	2020-08-25	宝山钢铁股份有限公司	A kind of steel for ultra-high strength coiled tubing with low yield ratio and manufacturing method thereof
CN110785507B (en) *	2017-10-30	2021-07-30	日本制铁株式会社	Hot-rolled steel sheet and method for producing the same
JP6773021B2 (en) *	2017-12-27	2020-10-21	Ｊｆｅスチール株式会社	Thick-walled large-diameter electric resistance pipe with excellent fatigue strength and its manufacturing method
HUE052103T2 (en) *	2018-01-23	2021-04-28	Ssab Technology Ab	Hot rolled steel and process for the production of hot rolled steel
EP3816311B1 (en) *	2018-06-29	2023-04-26	Nippon Steel Corporation	Steel pipe and steel sheet
RU2696920C1 (en) *	2018-07-30	2019-08-07	Акционерное общество "Выксунский металлургический завод"	Method of production of rolled stock for pipes of main pipelines with simultaneous provision of uniform elongation and cold resistance
JP6693607B1 (en) *	2018-08-23	2020-05-13	Ｊｆｅスチール株式会社	Hot rolled steel sheet and method of manufacturing the same
JP7284380B2 (en) *	2019-02-08	2023-05-31	日本製鉄株式会社	Electric resistance welded steel pipes for line pipes
KR102255818B1 (en) *	2019-06-24	2021-05-25	주식회사 포스코	High strength steel for a structure having excellent corrosion resistance and manufacturing method for the same
WO2021100534A1 (en) *	2019-11-20	2021-05-27	Ｊｆｅスチール株式会社	Hot rolled steel sheet for electroseamed steel pipe and method for producing same, electroseamed steel pipe and method for producing same, line pipe, and building structure
WO2021200402A1 (en) *	2020-04-02	2021-10-07	Ｊｆｅスチール株式会社	Electroseamed steel pipe, and method for manufacturing same
KR102493978B1 (en) *	2020-12-17	2023-01-31	주식회사 포스코	Thin, high strength steel material for api having resistance to deformation and method of manufacturing the same
CN113215492B (en) *	2021-05-12	2022-04-08	大冶特殊钢有限公司	Rolling method of high-toughness low-alloy high-strength steel
CN116145022B (en) *	2021-11-19	2024-03-08	宝山钢铁股份有限公司	Low yield ratio steel plate with yield strength not lower than 900MPa and manufacturing method thereof
KR20240011284A (en) *	2022-07-18	2024-01-26	주식회사 포스코	Hot rolled high strength steel sheet having excellent shearing quality and stretch-flangeabilty, and method for the same
KR20250092797A (en) *	2023-12-15	2025-06-24	주식회사 포스코	Hot rolled steel stheet, and mehtod for the same

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US20090025835A1 (en) *	2005-04-04	2009-01-29	Takuya Hara	High Strength Steel Plate and High Strength Welded Pipe Excellent in Ductile Fracture Characteristic and Methods of Production of Same
JP2011017061A (en) *	2009-07-10	2011-01-27	Jfe Steel Corp	High-tensile-strength hot-rolled steel plate for high-strength welded steel pipe and manufacturing method therefor
WO2011065582A1 (en) *	2009-11-25	2011-06-03	Ｊｆｅスチール株式会社	Welded steel pipe for linepipe with superior compressive strength and excellent sour resistance, and process for producing same
EP2735622A1 (en) *	2011-07-20	2014-05-28	JFE Steel Corporation	Low-yield-ratio high-strength hot-rolled steel plate with excellent low-temperature toughness and process for producing same

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2012
- 2012-12-21 KR KR1020147018457A patent/KR101664635B1/en active Active
- 2012-12-21 JP JP2013551228A patent/JP5812115B2/en active Active
- 2012-12-21 CN CN201280065034.8A patent/CN104011245B/en active Active
- 2012-12-21 US US14/368,857 patent/US20140352852A1/en not_active Abandoned
- 2012-12-21 WO PCT/JP2012/008211 patent/WO2013099192A1/en not_active Ceased
- 2012-12-21 IN IN1252KON2014 patent/IN2014KN01252A/en unknown
- 2012-12-21 EP EP12863451.6A patent/EP2799575B1/en active Active

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EP1860204A1 (en) *	2005-03-17	2007-11-28	Sumitomo Metal Industries, Ltd.	High tension steel plate, welded steel pipe and method for production thereof
US20090025835A1 (en) *	2005-04-04	2009-01-29	Takuya Hara	High Strength Steel Plate and High Strength Welded Pipe Excellent in Ductile Fracture Characteristic and Methods of Production of Same
JP2011017061A (en) *	2009-07-10	2011-01-27	Jfe Steel Corp	High-tensile-strength hot-rolled steel plate for high-strength welded steel pipe and manufacturing method therefor
WO2011065582A1 (en) *	2009-11-25	2011-06-03	Ｊｆｅスチール株式会社	Welded steel pipe for linepipe with superior compressive strength and excellent sour resistance, and process for producing same
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EP2735622A1 (en) *	2011-07-20	2014-05-28	JFE Steel Corporation	Low-yield-ratio high-strength hot-rolled steel plate with excellent low-temperature toughness and process for producing same

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Title
See also references of WO2013099192A1 *

Also Published As

Publication number	Publication date
EP2799575B1 (en)	2016-12-21
EP2799575A1 (en)	2014-11-05
WO2013099192A1 (en)	2013-07-04
CN104011245A (en)	2014-08-27
CN104011245B (en)	2017-03-01
IN2014KN01252A (en)	2015-10-16
KR101664635B1 (en)	2016-10-10
WO2013099192A8 (en)	2014-06-26
KR20140099321A (en)	2014-08-11
JP5812115B2 (en)	2015-11-11
JPWO2013099192A1 (en)	2015-04-30
US20140352852A1 (en)	2014-12-04

Legal Events

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