EP2236631A4 - Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding - Google Patents

Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding Download PDF

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Publication number
EP2236631A4
EP2236631A4 EP08857772.1A EP08857772A EP2236631A4 EP 2236631 A4 EP2236631 A4 EP 2236631A4 EP 08857772 A EP08857772 A EP 08857772A EP 2236631 A4 EP2236631 A4 EP 2236631A4
Authority
EP
European Patent Office
Prior art keywords
heat
toughness
steel plate
strength steel
brittle fracture
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Withdrawn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
EP08857772.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2236631A1 (en
Inventor
Akihiko Kojima
Yoichi Tanaka
Hiroyuki Shirahata
Kiyotaka Nakashima
Yoshihide Nagai
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 EP2236631A1 publication Critical patent/EP2236631A1/en
Publication of EP2236631A4 publication Critical patent/EP2236631A4/en
Withdrawn legal-status Critical Current

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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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing 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
    • C21D8/0221—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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/11—Making amorphous 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
    • C22C38/06—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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/004—Dispersions; Precipitations
    • 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
EP08857772.1A 2007-12-06 2008-12-04 Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding Withdrawn EP2236631A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007315840 2007-12-06
PCT/JP2008/072051 WO2009072559A1 (ja) 2007-12-06 2008-12-04 脆性破壊伝播停止特性と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、脆性破壊伝播停止特性と大入熱溶接熱影響部靭性に優れた厚手高強度鋼板

Publications (2)

Publication Number Publication Date
EP2236631A1 EP2236631A1 (en) 2010-10-06
EP2236631A4 true EP2236631A4 (en) 2017-03-29

Family

ID=40717736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08857772.1A Withdrawn EP2236631A4 (en) 2007-12-06 2008-12-04 Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding

Country Status (6)

Country Link
EP (1) EP2236631A4 (ja)
JP (1) JP4612735B2 (ja)
KR (1) KR101070093B1 (ja)
CN (1) CN101578380B (ja)
TW (1) TWI346706B (ja)
WO (1) WO2009072559A1 (ja)

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WO2010143726A1 (ja) * 2009-06-11 2010-12-16 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
RU2509171C1 (ru) * 2010-02-04 2014-03-10 Ниппон Стил Корпорейшн Высокопрочная сварная стальная труба и способ ее получения
CN102286692B (zh) * 2010-06-21 2013-09-04 宝山钢铁股份有限公司 一种调质低温用钢及其制造方法
CN102400053B (zh) * 2010-09-07 2014-03-12 鞍钢股份有限公司 屈服强度460MPa级建筑结构用钢板及其制造方法
KR20150127304A (ko) * 2010-11-22 2015-11-16 신닛테츠스미킨 카부시키카이샤 전자 빔 용접 조인트 및 전자 빔 용접용 강재와 그의 제조 방법
JP5177325B2 (ja) * 2010-11-22 2013-04-03 新日鐵住金株式会社 電子ビーム溶接継手及び電子ビーム溶接継手用鋼板とその製造方法
KR101271885B1 (ko) * 2010-12-22 2013-06-05 주식회사 포스코 인성이 우수한 고강도 강판 및 그 제조방법
US9403242B2 (en) 2011-03-24 2016-08-02 Nippon Steel & Sumitomo Metal Corporation Steel for welding
JP5240421B1 (ja) * 2011-07-29 2013-07-17 新日鐵住金株式会社 耐衝撃特性に優れた高強度鋼板およびその製造方法、高強度亜鉛めっき鋼板およびその製造方法
CN105750760B (zh) * 2011-11-25 2018-06-08 新日铁住金株式会社 焊接用钢材
JP5811044B2 (ja) * 2012-06-13 2015-11-11 新日鐵住金株式会社 溶接性、溶接熱影響部靭性に優れた厚手高強度鋼板およびその製造方法
KR101984531B1 (ko) * 2013-03-26 2019-05-31 제이에프이 스틸 가부시키가이샤 취성 균열 전파 정지 특성과 대입열 용접 특성이 우수한 대입열 용접용 고강도 강판과 그의 제조 방법
WO2014155440A1 (ja) * 2013-03-26 2014-10-02 Ｊｆｅスチール株式会社 脆性亀裂伝播停止特性に優れた大入熱溶接用高強度厚鋼板およびその製造方法
KR101505290B1 (ko) * 2013-05-31 2015-03-23 현대제철 주식회사 라인파이프용 강판 및 그 제조 방법
CN103695777B (zh) * 2013-12-20 2016-06-22 宝山钢铁股份有限公司 一种焊接热影响区韧性优异的厚钢板及其制造方法
CN104404369B (zh) * 2014-11-27 2017-01-25 宝山钢铁股份有限公司 一种可大线能量焊接用厚钢板及其制造方法
CN107429351A (zh) * 2015-03-26 2017-12-01 杰富意钢铁株式会社 结构管用钢板、结构管用钢板的制造方法和结构管
CN105296855B (zh) * 2015-11-25 2017-06-23 钢铁研究总院 可大线能量焊接的海洋平台用钢板及制备方法
JP6665515B2 (ja) * 2015-12-15 2020-03-13 日本製鉄株式会社 耐サワー鋼板
RU2653954C2 (ru) * 2016-02-02 2018-05-15 Открытое акционерное общество "Магнитогорский металлургический комбинат" Способ производства толстолистового проката для изготовления электросварных газонефтепроводных труб большого диаметра категории прочности х42-х56, стойких против индуцированного водородом растрескивания в h2s -содержащих средах
CN109072383B (zh) * 2016-04-21 2021-02-09 日本制铁株式会社 厚钢板
JP6834550B2 (ja) * 2017-02-08 2021-02-24 日本製鉄株式会社 タンク用鋼材及びその製造方法
JP6926772B2 (ja) * 2017-07-21 2021-08-25 日本製鉄株式会社 鋼板
WO2020116538A1 (ja) * 2018-12-07 2020-06-11 Ｊｆｅスチール株式会社 鋼板およびその製造方法
WO2022045350A1 (ja) * 2020-08-31 2022-03-03 日本製鉄株式会社 鋼板およびその製造方法
CN115398018B (zh) * 2020-08-31 2023-07-21 日本制铁株式会社 钢板及其制造方法
JP7127752B2 (ja) * 2020-08-31 2022-08-30 日本製鉄株式会社 鋼板およびその製造方法
CN113416880A (zh) * 2021-05-28 2021-09-21 包头钢铁（集团）有限责任公司 一种稀土微合金化高耐腐蚀690MPa级高强钢的制备方法
CN114752724B (zh) * 2022-05-25 2023-05-16 宝武集团鄂城钢铁有限公司 一种低内应力焊接性能优良的750MPa级桥梁钢及其制备方法
CN117737596A (zh) * 2024-02-20 2024-03-22 上海大学 一种大线能量焊接热影响区韧性优异的钢板及其制造方法

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JPH1088275A (ja) * 1996-09-19 1998-04-07 Kawasaki Steel Corp 溶接熱影響部靱性および耐溶接割れ性に優れた溶接構造用高張力鋼
JPH11229078A (ja) * 1998-02-16 1999-08-24 Kobe Steel Ltd 母材および大入熱溶接熱影響部の靱性に優れた高張力鋼板およびその製造方法
EP1035222A1 (en) * 1999-03-10 2000-09-13 Kawasaki Steel Corporation Continuous casting slab suitable for the production of non-tempered high tensile steel material
JP2007046096A (ja) * 2005-08-09 2007-02-22 Nippon Steel Corp 靭性に優れた厚手高強度鋼板の製造方法及び靭性に優れた厚手高強度鋼板

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JP4276574B2 (ja) 2004-04-12 2009-06-10 新日本製鐵株式会社 大入熱溶接熱影響部の靭性に優れた厚鋼板
JP4358707B2 (ja) * 2004-08-24 2009-11-04 新日本製鐵株式会社 溶接性および靱性に優れた引張り強さ５５０ＭＰａ級以上の高張力鋼材およびその製造方法
JP4901262B2 (ja) 2006-03-29 2012-03-21 新日本製鐵株式会社 大入熱溶接熱影響部の靭性に優れた厚鋼板
JP2007284712A (ja) 2006-04-13 2007-11-01 Nippon Steel Corp 靭性に優れた厚手高強度鋼板の製造方法及び靭性に優れた厚手高強度鋼板
JP2007315840A (ja) 2006-05-24 2007-12-06 Delta Kogyo Co Ltd 柔軟変形物の機械インピーダンス計測装置及び計測方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1088275A (ja) * 1996-09-19 1998-04-07 Kawasaki Steel Corp 溶接熱影響部靱性および耐溶接割れ性に優れた溶接構造用高張力鋼
JPH11229078A (ja) * 1998-02-16 1999-08-24 Kobe Steel Ltd 母材および大入熱溶接熱影響部の靱性に優れた高張力鋼板およびその製造方法
EP1035222A1 (en) * 1999-03-10 2000-09-13 Kawasaki Steel Corporation Continuous casting slab suitable for the production of non-tempered high tensile steel material
JP2007046096A (ja) * 2005-08-09 2007-02-22 Nippon Steel Corp 靭性に優れた厚手高強度鋼板の製造方法及び靭性に優れた厚手高強度鋼板

Non-Patent Citations (1)

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Title
See also references of WO2009072559A1 *

Also Published As

Publication number Publication date
TW200932925A (en) 2009-08-01
EP2236631A1 (en) 2010-10-06
KR101070093B1 (ko) 2011-10-04
WO2009072559A1 (ja) 2009-06-11
TWI346706B (en) 2011-08-11
CN101578380B (zh) 2011-01-12
KR20090097167A (ko) 2009-09-15
JP4612735B2 (ja) 2011-01-12
JPWO2009072559A1 (ja) 2011-04-28
CN101578380A (zh) 2009-11-11

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