EP2119803A4 - Plaque d'acier épaisse de haute résistance et son procédé de fabrication - Google Patents

Plaque d'acier épaisse de haute résistance et son procédé de fabrication

Info

Publication number
EP2119803A4
EP2119803A4 EP08721186.8A EP08721186A EP2119803A4 EP 2119803 A4 EP2119803 A4 EP 2119803A4 EP 08721186 A EP08721186 A EP 08721186A EP 2119803 A4 EP2119803 A4 EP 2119803A4
Authority
EP
European Patent Office
Prior art keywords
producing
same
steel plate
strength steel
thick high
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.)
Withdrawn
Application number
EP08721186.8A
Other languages
German (de)
English (en)
Other versions
EP2119803A1 (fr
Inventor
Hiroyuki Shirahata
Masaaki Fujioka
Akihiko Kojima
Yoichi Tanaka
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 and Sumitomo Metal 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 and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of EP2119803A1 publication Critical patent/EP2119803A1/fr
Publication of EP2119803A4 publication Critical patent/EP2119803A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/001—Heat treatment of ferrous alloys containing Ni
    • 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
    • C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C21D2201/00—Treatment for obtaining particular effects
    • C21D2201/05—Grain orientation
    • 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
    • C21D2211/005—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
    • C21D2211/009—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)
  • Heat Treatment Of Steel (AREA)
EP08721186.8A 2007-03-05 2008-03-03 Plaque d'acier épaisse de haute résistance et son procédé de fabrication Withdrawn EP2119803A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007054279 2007-03-05
PCT/JP2008/053766 WO2008108333A1 (fr) 2007-03-05 2008-03-03 Plaque d'acier épaisse de haute résistance et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP2119803A1 EP2119803A1 (fr) 2009-11-18
EP2119803A4 true EP2119803A4 (fr) 2016-07-20

Family

ID=39738210

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08721186.8A Withdrawn EP2119803A4 (fr) 2007-03-05 2008-03-03 Plaque d'acier épaisse de haute résistance et son procédé de fabrication

Country Status (7)

Country Link
EP (1) EP2119803A4 (fr)
JP (1) JP4309946B2 (fr)
KR (1) KR101024709B1 (fr)
CN (1) CN101622370B (fr)
BR (1) BRPI0808347B1 (fr)
TW (1) TWI335355B (fr)
WO (1) WO2008108333A1 (fr)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201036746A (en) * 2009-01-14 2010-10-16 Nippon Steel Corp Weld dtructure having brittle fracture arresting characterstics
WO2010082676A1 (fr) * 2009-01-14 2010-07-22 新日本製鐵株式会社 Structure de soudage dotée d'une excellente résistance à la propagation de fissure par fragilité
JP5470904B2 (ja) * 2009-02-25 2014-04-16 Ｊｆｅスチール株式会社 ＴＳが５７０ＭＰａ以上、全伸びが２５％以上、ΔＫ＝１５ＭＰａ√ｍでの疲労き裂伝播速度８．７５ｘ１０−９ｍ／ｃｙｃｌｅ以下の、全伸びと疲労き裂伝播抵抗性に優れた板厚２０ｍｍ以下の厚鋼板の製造方法
JP4681690B2 (ja) * 2009-06-11 2011-05-11 新日本製鐵株式会社 大入熱溶接熱影響部靭性に優れた厚手高強度鋼板の製造方法、及び、大入熱溶接熱影響部靭性に優れた厚手高強度鋼板
CN102549186B (zh) * 2009-10-08 2014-08-27 新日铁住金株式会社 高强度钢管、高强度钢管用钢板及它们的制造方法
JP5423309B2 (ja) * 2009-10-21 2014-02-19 新日鐵住金株式会社 海洋構造物用厚鋼板およびその製造方法
CN101701326B (zh) * 2009-10-28 2011-07-20 南京钢铁股份有限公司 一种厚规格高强高韧船板钢及其生产方法
JP4818466B1 (ja) * 2010-07-14 2011-11-16 新日本製鐵株式会社 耐脆性き裂伝播性を有する溶接構造体
JP5029749B2 (ja) * 2010-09-17 2012-09-19 Ｊｆｅスチール株式会社 曲げ加工性に優れた高強度熱延鋼板およびその製造方法
JP2012188747A (ja) * 2011-02-24 2012-10-04 Kobe Steel Ltd 原子力発電機器用鍛鋼材および原子力発電機器用溶接構造物
CN102691006B (zh) * 2011-03-23 2013-12-25 宝山钢铁股份有限公司 抗高回火参数sr脆化的低温镍钢及其制造方法
KR101536847B1 (ko) * 2011-04-13 2015-07-14 신닛테츠스미킨 카부시키카이샤 국부 변형능이 우수한 고강도 냉연 강판과 그 제조 방법
KR101278004B1 (ko) * 2011-06-28 2013-06-27 현대제철 주식회사 고강도 강판 및 그 제조방법
KR101273936B1 (ko) * 2011-08-12 2013-06-11 한국과학기술연구원 내산화성 페라이트계 스테인리스강, 그 제조 방법 및 이를 사용한 연료 전지 접속자
CN102560250A (zh) * 2011-11-25 2012-07-11 宝山钢铁股份有限公司 一种超低碳贝氏体钢板及其制造方法
JP5838801B2 (ja) * 2011-12-27 2016-01-06 Ｊｆｅスチール株式会社 厚鋼板及び厚鋼板の製造方法
KR101357543B1 (ko) * 2012-01-31 2014-02-05 현대제철 주식회사 고성형 열연강판의 제조 방법
CN104114731B (zh) * 2012-02-17 2016-03-02 新日铁住金株式会社 钢板、镀敷钢板和它们的制造方法
WO2014024445A1 (fr) * 2012-08-06 2014-02-13 Ｊｆｅスチール株式会社 Procédé d'évaluation d'aptitude à l'arrêt de fissure fragile longue dans une plaque d'acier épaisse et dispositif d'essai et procédé de fabrication de plaque d'acier épaisse l'utilisant
CN105102650B (zh) * 2013-03-26 2017-10-24 杰富意钢铁株式会社 脆性裂纹传播停止特性优良的大线能量焊接用高强度厚钢板及其制造方法
KR101320222B1 (ko) * 2013-04-30 2013-10-21 현대제철 주식회사 고강도 강판 및 그 제조방법
TWI498174B (zh) * 2013-05-01 2015-09-01 China Steel Corp Method for Reducing Surface Defects of High Hardness Steel
JP5510620B1 (ja) * 2013-08-13 2014-06-04 新日鐵住金株式会社 鋼板
CN107109597B (zh) * 2014-12-24 2020-01-31 Posco公司 耐脆性裂纹扩展性优异的高强度钢材及其制造方法
KR101657827B1 (ko) * 2014-12-24 2016-09-20 주식회사 포스코 취성균열전파 저항성이 우수한 구조용 극후물 강재 및 그 제조방법
CN107109592A (zh) 2014-12-24 2017-08-29 Posco公司 耐脆性裂纹扩展性优异的高强度钢材及其制造方法
WO2016105059A1 (fr) * 2014-12-24 2016-06-30 주식회사 포스코 Acier à haute résistance ayant une excellente résistance à la propagation de fissures fragiles et procédé de production s'y rapportant
WO2016157862A1 (fr) * 2015-03-31 2016-10-06 Ｊｆｅスチール株式会社 Tôle d'acier laminée à chaud à résistance et ténacité élevées et son procédé de fabrication
WO2016157863A1 (fr) 2015-03-31 2016-10-06 Ｊｆｅスチール株式会社 Tôle d'acier à résistance et ténacité élevées et procédé pour la produire
JP6766642B2 (ja) * 2016-02-25 2020-10-14 日本製鉄株式会社 脆性き裂伝播停止特性に優れた鋼板およびその製造方法
JP6682967B2 (ja) * 2016-04-06 2020-04-15 日本製鉄株式会社 厚鋼板およびその製造方法
JP6911575B2 (ja) * 2016-06-30 2021-07-28 日本製鉄株式会社 脆性き裂伝播停止特性に優れた鋼板およびその製造方法
JP6776826B2 (ja) * 2016-11-11 2020-10-28 日本製鉄株式会社 脆性き裂伝播停止特性に優れた鋼板およびその製造方法
JP6988836B2 (ja) * 2019-01-28 2022-01-05 Ｊｆｅスチール株式会社 超低降伏比高張力厚鋼板およびその製造方法
JP7330862B2 (ja) * 2019-11-01 2023-08-22 株式会社神戸製鋼所 母材と継手の低温靭性に優れた高張力鋼板およびその製造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1026275A1 (fr) * 1998-07-31 2000-08-09 Nippon Steel Corporation Acier profile lamine a resistance et tenacite elevees et procede de production correspondant
JP2002241891A (ja) * 2000-12-15 2002-08-28 Kawasaki Steel Corp 塑性変形後の脆性き裂伝播停止特性ならびに疲労き裂伝播特性に優れた構造用鋼材およびその製造方法
JP2005097694A (ja) * 2003-09-26 2005-04-14 Jfe Steel Kk 脆性亀裂伝播停止性能に優れた非調質高強度厚鋼板の製造方法
CA2601052A1 (fr) * 2005-03-17 2006-09-21 Sumitomo Metal Industries, Ltd. Plaque d'acier a haute resistance, tuyau ou tube d'acier soude et leurs procedes de fabrication

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JPS5947323A (ja) 1982-09-10 1984-03-17 Nippon Steel Corp 溶接部靭性および脆性破壊伝播停止特性の優れた高張力鋼の製造法
JPH064903B2 (ja) 1985-04-09 1994-01-19 新日本製鐵株式会社 脆性き裂伝播停止特性の優れた厚鋼板およびその製造法
JP3376195B2 (ja) * 1995-12-26 2003-02-10 川崎製鉄株式会社 板内均質性に優れかつ脆性亀裂伝播停止特性と溶接性を兼ね備えた高張力厚鋼板の製造方法
JP2003221619A (ja) 2002-01-31 2003-08-08 Kobe Steel Ltd アレスト特性および延性破壊特性に優れた厚鋼板の製造方法
JP3869747B2 (ja) * 2002-04-09 2007-01-17 新日本製鐵株式会社 変形性能に優れた高強度鋼板、高強度鋼管および製造方法
JP4687122B2 (ja) * 2004-01-30 2011-05-25 Ｊｆｅスチール株式会社 板厚方向の強度均一性および耐疲労亀裂伝播特性に優れた鋼材の製造方法
JP4670371B2 (ja) * 2004-01-30 2011-04-13 Ｊｆｅスチール株式会社 板厚方向の強度均一性および耐疲労亀裂伝播特性に優れた鋼材の製造方法
CN100350065C (zh) * 2004-12-08 2007-11-21 鞍钢股份有限公司 高抗拉强度低碳贝氏体厚钢板及其生产方法
JP4679300B2 (ja) 2005-08-24 2011-04-27 花王株式会社 吸収性物品の吸収体
JP2009293189A (ja) 2008-06-02 2009-12-17 Tokai Rika Co Ltd シリンダ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1026275A1 (fr) * 1998-07-31 2000-08-09 Nippon Steel Corporation Acier profile lamine a resistance et tenacite elevees et procede de production correspondant
JP2002241891A (ja) * 2000-12-15 2002-08-28 Kawasaki Steel Corp 塑性変形後の脆性き裂伝播停止特性ならびに疲労き裂伝播特性に優れた構造用鋼材およびその製造方法
JP2005097694A (ja) * 2003-09-26 2005-04-14 Jfe Steel Kk 脆性亀裂伝播停止性能に優れた非調質高強度厚鋼板の製造方法
CA2601052A1 (fr) * 2005-03-17 2006-09-21 Sumitomo Metal Industries, Ltd. Plaque d'acier a haute resistance, tuyau ou tube d'acier soude et leurs procedes de fabrication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008108333A1 *

Also Published As

Publication number Publication date
KR101024709B1 (ko) 2011-03-24
CN101622370B (zh) 2011-07-13
BRPI0808347B1 (pt) 2017-07-04
JP2008248382A (ja) 2008-10-16
EP2119803A1 (fr) 2009-11-18
WO2008108333A1 (fr) 2008-09-12
CN101622370A (zh) 2010-01-06
TWI335355B (en) 2011-01-01
KR20090110384A (ko) 2009-10-21
JP4309946B2 (ja) 2009-08-05
BRPI0808347A2 (pt) 2014-07-29
TW200844240A (en) 2008-11-16

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