EP2799575A4 - Hot rolled high tensile strength steel sheet and method for manufacturing same - Google Patents

Hot rolled high tensile strength steel sheet and method for manufacturing same

Info

Publication number
EP2799575A4
EP2799575A4 EP12863451.6A EP12863451A EP2799575A4 EP 2799575 A4 EP2799575 A4 EP 2799575A4 EP 12863451 A EP12863451 A EP 12863451A EP 2799575 A4 EP2799575 A4 EP 2799575A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
tensile strength
hot rolled
strength steel
high tensile
Prior art date
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
EP2799575A1 (en
EP2799575B1 (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.)
Filing date
Publication date
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP2799575A1 publication Critical patent/EP2799575A1/en
Publication of EP2799575A4 publication Critical patent/EP2799575A4/en
Application granted granted Critical
Publication of EP2799575B1 publication Critical patent/EP2799575B1/en
Active legal-status Critical Current
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
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous 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
    • 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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EP3050990B1 (en) * 2013-12-25 2018-11-14 Nippon Steel & Sumitomo Metal Corporation Electric resistance welded steel pipe for oil well
CN106133175B (en) * 2014-03-31 2018-09-07 杰富意钢铁株式会社 The high deformability line-pipes steel and its manufacturing method and welded still pipe of resistance to distortion aging property and the characteristic good of resistance to HIC
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
KR102004072B1 (en) * 2015-03-27 2019-07-25 제이에프이 스틸 가부시키가이샤 High-strength steel, method for manufacturing high-strength steel, steel pipe and method for manufacturing steel pipe
KR102002717B1 (en) * 2015-03-27 2019-07-23 제이에프이 스틸 가부시키가이샤 High-strength steel, method for manufacturing high-strength steel, steel pipe, and method for manufacturing steel pipe
CN110291215B (en) * 2017-01-20 2022-03-29 蒂森克虏伯钢铁欧洲股份公司 Hot-rolled flat steel product consisting of a complex phase steel with a predominantly bainitic structure and method for producing such a flat steel product
CN109722611B (en) 2017-10-27 2020-08-25 宝山钢铁股份有限公司 Steel for low-yield-ratio ultrahigh-strength continuous oil pipe and manufacturing method thereof
MX2020001538A (en) * 2017-10-30 2020-07-13 Nippon Steel Corp Hot-rolled steel sheet and manufacturing method therefor.
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
EP3514253B1 (en) * 2018-01-23 2020-10-14 SSAB Technology AB Hot-rolled steel & method for manufacturing hot-rolled steel
CN112313357B (en) * 2018-06-29 2021-12-31 日本制铁株式会社 Steel pipe and steel plate
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
WO2020039979A1 (en) * 2018-08-23 2020-02-27 Ｊｆｅスチール株式会社 Hot rolled steel plate and manufacturing method thereof
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
JP6973681B2 (en) * 2019-11-20 2021-12-01 Ｊｆｅスチール株式会社 Hot-rolled steel sheet for electric-sewn steel pipe and its manufacturing method, electric-sewn steel pipe and its manufacturing method, line pipe, building structure
US20240229200A1 (en) * 2020-04-02 2024-07-11 Jfe Steel Corporation Electric resistance welded steel pipe and method for producing the same
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

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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
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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JPH0653912B2 (en) 1989-09-08 1994-07-20 川崎製鉄株式会社 High toughness ERW steel pipe with excellent reel barge layability
JP4277405B2 (en) 2000-01-26 2009-06-10 Ｊｆｅスチール株式会社 Manufacturing method of hot-rolled steel sheet for high-strength ERW steel pipe excellent in low temperature toughness and weldability
JP4466320B2 (en) 2004-10-27 2010-05-26 Ｊｆｅスチール株式会社 Manufacturing method of low yield ratio ERW steel pipe for line pipe
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CN102046829B (en) * 2008-05-26 2013-03-13 新日铁住金株式会社 High-strength hot-rolled steel sheet for line pipe excellent in low-temperature toughness and ductile-fracture-stopping performance and process for producing the same
CA2844718C (en) * 2009-01-30 2017-06-27 Jfe Steel Corporation Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof
JP5742123B2 (en) * 2010-07-16 2015-07-01 Ｊｆｅスチール株式会社 High-tensile hot-rolled steel sheet for high-strength welded steel pipe for line pipe and method for producing the same
JP5776377B2 (en) * 2011-06-30 2015-09-09 Ｊｆｅスチール株式会社 High-strength hot-rolled steel sheet for welded steel pipes for line pipes with excellent sour resistance and method for producing the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US20130000793A1 (en) * 2009-11-25 2013-01-03 Jfe Steel Corporation Welded steel pipe for linepipe having high compressive strength and excellent sour gas resistance and manufacturing method thereof
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013099192A1 *

Also Published As

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

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