WO2008108333A1 - 厚手高強度鋼板およびその製造方法 - Google Patents

厚手高強度鋼板およびその製造方法 Download PDF

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Publication number
WO2008108333A1
WO2008108333A1 PCT/JP2008/053766 JP2008053766W WO2008108333A1 WO 2008108333 A1 WO2008108333 A1 WO 2008108333A1 JP 2008053766 W JP2008053766 W JP 2008053766W WO 2008108333 A1 WO2008108333 A1 WO 2008108333A1
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WIPO (PCT)
Prior art keywords
circle diameter
equivalent circle
isotropic
steel plate
less
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.)
Ceased
Application number
PCT/JP2008/053766
Other languages
English (en)
French (fr)
Japanese (ja)
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 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
Priority to EP08721186.8A priority Critical patent/EP2119803A4/en
Priority to CN2008800070134A priority patent/CN101622370B/zh
Priority to BRPI0808347-9A priority patent/BRPI0808347B1/pt
Priority to KR1020097019101A priority patent/KR101024709B1/ko
Publication of WO2008108333A1 publication Critical patent/WO2008108333A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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 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
    • C21D8/021—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 involving particular fabrication steps or treatments of ingots or slabs
    • 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
    • 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)
PCT/JP2008/053766 2007-03-05 2008-03-03 厚手高強度鋼板およびその製造方法 Ceased WO2008108333A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08721186.8A EP2119803A4 (en) 2007-03-05 2008-03-03 THICKNESS HIGH-RESISTANT STEEL PLATE AND MANUFACTURING METHOD THEREFOR
CN2008800070134A CN101622370B (zh) 2007-03-05 2008-03-03 厚壁高强度钢板及其制造方法
BRPI0808347-9A BRPI0808347B1 (pt) 2007-03-05 2008-03-03 High resistance steel sheet and production method of the same
KR1020097019101A KR101024709B1 (ko) 2007-03-05 2008-03-03 두꺼운 고강도 강판 및 그 제조 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-054279 2007-03-05
JP2007054279 2007-03-05

Publications (1)

Publication Number Publication Date
WO2008108333A1 true WO2008108333A1 (ja) 2008-09-12

Family

ID=39738210

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053766 Ceased WO2008108333A1 (ja) 2007-03-05 2008-03-03 厚手高強度鋼板およびその製造方法

Country Status (7)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102691006A (zh) * 2011-03-23 2012-09-26 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
JP2017150067A (ja) * 2016-02-25 2017-08-31 新日鐵住金株式会社 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

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2390047T3 (da) * 2009-01-14 2014-01-13 Nippon Steel & Sumitomo Metal Corp Svejsekonstruktion med skørhedsbrudhæmmende egenskaber
KR101163348B1 (ko) * 2009-01-14 2012-07-05 신닛뽄세이테쯔 카부시키카이샤 내취성 균열 전파성이 우수한 용접 구조체
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
CN102459656B (zh) * 2009-06-11 2013-08-14 新日本制铁株式会社 大线能量焊接热影响区韧性优异的厚壁高强度钢板的制造方法
BR112012007753B1 (pt) * 2009-10-08 2021-11-16 Nippon Steel Corporation Tubo de aço de alta resistência. chapa de aço para tubo de aço de alta resistência, e processos para produção dos mesmos
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
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
EP2698440B1 (en) * 2011-04-13 2018-05-30 Nippon Steel & Sumitomo Metal Corporation High-strength hot-rolled steel sheet with excellent local deformability, and manufacturing method therefor
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
US9719151B2 (en) 2012-02-17 2017-08-01 Nippon Steel & Sumitomo Metal Corporation Steel sheet, plated steel sheet, and method for producing the same
KR101728362B1 (ko) * 2012-08-06 2017-04-19 제이에프이 스틸 가부시키가이샤 장대 취성 균열 전파 정지 성능이 우수한 후강판의 제조 방법 및 후강판
KR101732997B1 (ko) * 2013-03-26 2017-05-08 제이에프이 스틸 가부시키가이샤 취성 균열 전파 정지 특성이 우수한 대입열 용접용 고강도 후강판 및 그의 제조 방법
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
WO2016105059A1 (ko) * 2014-12-24 2016-06-30 주식회사 포스코 취성균열전파 저항성이 우수한 고강도 강재 및 그 제조방법
KR101657827B1 (ko) * 2014-12-24 2016-09-20 주식회사 포스코 취성균열전파 저항성이 우수한 구조용 극후물 강재 및 그 제조방법
JP6475837B2 (ja) * 2014-12-24 2019-02-27 ポスコＰｏｓｃｏ 脆性亀裂伝播抵抗性に優れた高強度鋼材及びその製造方法
KR102051198B1 (ko) * 2015-03-31 2019-12-02 제이에프이 스틸 가부시키가이샤 고강도·고인성 강판 및 그 제조 방법
JP6123973B2 (ja) 2015-03-31 2017-05-10 Ｊｆｅスチール株式会社 高強度・高靭性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
CN116288004B (zh) * 2023-03-21 2025-03-25 山东钢铁集团日照有限公司 一种高疲劳极限强度钢及其均质化制造方法
CN116732451A (zh) * 2023-05-30 2023-09-12 鞍钢股份有限公司 一种各向同性的低屈强比高韧性桥梁钢及其制造方法

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Publication number Priority date Publication date Assignee Title
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
JPH09176731A (ja) * 1995-12-26 1997-07-08 Kawasaki Steel Corp 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鋼の製造方法
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
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
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
JP2005240176A (ja) * 2004-01-30 2005-09-08 Jfe Steel Kk 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
JP2005240177A (ja) * 2004-01-30 2005-09-08 Jfe Steel Kk 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
JP2007054279A (ja) 2005-08-24 2007-03-08 Kao Corp 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

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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
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
JP4696615B2 (ja) * 2005-03-17 2011-06-08 住友金属工業株式会社 高張力鋼板、溶接鋼管及びそれらの製造方法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH09176731A (ja) * 1995-12-26 1997-07-08 Kawasaki Steel Corp 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鋼の製造方法
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
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
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EP2119803A4 (en) 2016-07-20
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CN101622370A (zh) 2010-01-06
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