EP2060643A4 - Acier excellant par sa dureté dans les zones affectées par la chaleur de la soudure - Google Patents

Acier excellant par sa dureté dans les zones affectées par la chaleur de la soudure

Info

Publication number
EP2060643A4
EP2060643A4 EP06843367A EP06843367A EP2060643A4 EP 2060643 A4 EP2060643 A4 EP 2060643A4 EP 06843367 A EP06843367 A EP 06843367A EP 06843367 A EP06843367 A EP 06843367A EP 2060643 A4 EP2060643 A4 EP 2060643A4
Authority
EP
European Patent Office
Prior art keywords
toughness
welding heat
region affected
excelling
steel
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
EP06843367A
Other languages
German (de)
English (en)
Other versions
EP2060643A1 (fr
EP2060643B1 (fr
Inventor
Ryuji Uemori
Yoshiyuki Watanabe
Kazuhiro Fukunaga
Yoshihide Nagai
Rikio Chijiiwa
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP2060643A1 publication Critical patent/EP2060643A1/fr
Publication of EP2060643A4 publication Critical patent/EP2060643A4/fr
Application granted granted Critical
Publication of EP2060643B1 publication Critical patent/EP2060643B1/fr
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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • 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
    • C22C38/02—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

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)
  • Heat Treatment Of Steel (AREA)
EP06843367A 2006-12-20 2006-12-20 Acier excellant par sa dureté dans les zones affectées par la chaleur de la soudure Active EP2060643B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/325984 WO2008075443A1 (fr) 2006-12-20 2006-12-20 Acier excellant par sa dureté dans les zones affectées par la chaleur de la soudure

Publications (3)

Publication Number Publication Date
EP2060643A1 EP2060643A1 (fr) 2009-05-20
EP2060643A4 true EP2060643A4 (fr) 2010-12-01
EP2060643B1 EP2060643B1 (fr) 2012-04-18

Family

ID=39536082

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06843367A Active EP2060643B1 (fr) 2006-12-20 2006-12-20 Acier excellant par sa dureté dans les zones affectées par la chaleur de la soudure

Country Status (6)

Country Link
EP (1) EP2060643B1 (fr)
KR (1) KR100940617B1 (fr)
CN (1) CN100594250C (fr)
BR (1) BRPI0607524B1 (fr)
CA (1) CA2602076C (fr)
WO (1) WO2008075443A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4751341B2 (ja) * 2007-01-11 2011-08-17 新日本製鐵株式会社 溶接熱影響部のｃｔｏｄが優れた鋼およびその製造方法
KR101142185B1 (ko) 2007-12-07 2012-05-04 신닛뽄세이테쯔 카부시키카이샤 용접열 영향부의 ｃｔｏｄ 특성이 우수한 강 및 그 제조 방법
RU2458174C1 (ru) 2009-05-19 2012-08-10 Ниппон Стил Корпорейшн Сталь для сварных конструкций и способ ее получения
TWI365915B (en) * 2009-05-21 2012-06-11 Nippon Steel Corp Steel for welded structure and producing method thereof
KR101360737B1 (ko) 2009-12-28 2014-02-07 주식회사 포스코 취성 균열 발생 저항성이 우수한 고강도 강판 및 그 제조방법
JP2011246804A (ja) * 2010-04-30 2011-12-08 Nippon Steel Corp 電子ビーム溶接継手及び電子ビーム溶接用鋼材とその製造方法
US9403242B2 (en) 2011-03-24 2016-08-02 Nippon Steel & Sumitomo Metal Corporation Steel for welding

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624826A (ja) * 1985-07-01 1987-01-10 Kobe Steel Ltd 不安定延性破壊伝播停止特性にすぐれた高強度高靭性ラインパイプ用鋼板の製造方法
JPH093597A (ja) * 1995-06-21 1997-01-07 Nippon Steel Corp 溶接熱影響部靱性の優れた低温用鋼材およびその製造方法
EP0867520A2 (fr) * 1997-03-26 1998-09-30 Sumitomo Metal Industries, Ltd. Structures soudées en acier à haute résistance mécanique et leurs procédés de fabrication
JP2001355039A (ja) * 2000-06-09 2001-12-25 Nippon Steel Corp 溶接部の低温靱性に優れた超高強度鋼管及びその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3522564B2 (ja) * 1998-04-17 2004-04-26 新日本製鐵株式会社 溶接熱影響部の靱性に優れた鋼板
JP4311740B2 (ja) * 2004-10-27 2009-08-12 株式会社神戸製鋼所 大入熱溶接継手靭性に優れた厚鋼板
JP4303703B2 (ja) * 2005-06-21 2009-07-29 新日本製鐵株式会社 溶接熱影響部の破壊靭性に優れた鋼及びその製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624826A (ja) * 1985-07-01 1987-01-10 Kobe Steel Ltd 不安定延性破壊伝播停止特性にすぐれた高強度高靭性ラインパイプ用鋼板の製造方法
JPH093597A (ja) * 1995-06-21 1997-01-07 Nippon Steel Corp 溶接熱影響部靱性の優れた低温用鋼材およびその製造方法
EP0867520A2 (fr) * 1997-03-26 1998-09-30 Sumitomo Metal Industries, Ltd. Structures soudées en acier à haute résistance mécanique et leurs procédés de fabrication
JP2001355039A (ja) * 2000-06-09 2001-12-25 Nippon Steel Corp 溶接部の低温靱性に優れた超高強度鋼管及びその製造方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PAN Y-T ET AL: "Development of TiOx-bearing steels with superior heat-affected zone toughness", MATERIALS AND DESIGN, LONDON, GB LNKD- DOI:10.1016/0261-3069(94)90027-2, vol. 15, no. 6, 1 January 1994 (1994-01-01), pages 331 - 338, XP024152939, ISSN: 0261-3069, [retrieved on 19940101] *
REIP C P ET AL: "High strength microalloyed CMn(V-Nb-Ti) and CMn(V-Nb) pipeline steels processed through CSP thin-slab technology: Microstructure, precipitation and mechanical properties", MATERIALS SCIENCE AND ENGINEERING A: STRUCTURAL MATERIALS:PROPERTIES, MICROSTRUCTURE & PROCESSING, LAUSANNE, CH LNKD- DOI:10.1016/J.MSEA.2006.03.026, vol. 424, no. 1-2, 25 May 2006 (2006-05-25), pages 307 - 317, XP025098833, ISSN: 0921-5093, [retrieved on 20060525] *
See also references of WO2008075443A1 *

Also Published As

Publication number Publication date
EP2060643A1 (fr) 2009-05-20
KR100940617B1 (ko) 2010-02-05
CN101292055A (zh) 2008-10-22
EP2060643B1 (fr) 2012-04-18
CA2602076A1 (fr) 2008-06-20
CA2602076C (fr) 2012-07-10
BRPI0607524A2 (pt) 2010-03-23
WO2008075443A1 (fr) 2008-06-26
BRPI0607524B1 (pt) 2016-01-19
CN100594250C (zh) 2010-03-17
KR20080067957A (ko) 2008-07-22

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