CN104011245B - 高张力热轧钢板及其制造方法 - Google Patents

高张力热轧钢板及其制造方法 Download PDF

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CN104011245B
CN104011245B CN201280065034.8A CN201280065034A CN104011245B CN 104011245 B CN104011245 B CN 104011245B CN 201280065034 A CN201280065034 A CN 201280065034A CN 104011245 B CN104011245 B CN 104011245B
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steel sheet
phase
rolled steel
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CN104011245A (zh
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中田博士
柴田友彰
上力
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JFE Engineering Corp
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NKK Corp
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    • 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—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

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  • 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)
CN201280065034.8A 2011-12-27 2012-12-21 高张力热轧钢板及其制造方法 Active CN104011245B (zh)

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JP2011-285906 2011-12-27
JP2011285906 2011-12-27
PCT/JP2012/008211 WO2013099192A1 (ja) 2011-12-27 2012-12-21 高張力熱延鋼板及びその製造方法

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CN104011245B true CN104011245B (zh) 2017-03-01

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EP (1) EP2799575B1 (enExample)
JP (1) JP5812115B2 (enExample)
KR (1) KR101664635B1 (enExample)
CN (1) CN104011245B (enExample)
IN (1) IN2014KN01252A (enExample)
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Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10196702B2 (en) 2013-12-25 2019-02-05 Nippon Steel & Sumitomo Metal Corporation Electric resistance welded steel pipe for oil well
RU2653031C2 (ru) * 2014-03-31 2018-05-04 ДжФЕ СТИЛ КОРПОРЕЙШН Сталь для высокодеформируемых труб магистральных трубопроводов с высокой стойкостью к деформационному старению и водородному охрупчиванию, способ их изготовления и сварная стальная труба
JP6369347B2 (ja) * 2015-02-13 2018-08-08 Ｊｆｅスチール株式会社 深井戸向けコンダクターケーシング用高強度厚肉スパイラル鋼管及びその製造方法
CA2976745C (en) 2015-03-27 2020-08-11 Jfe Steel Corporation High-strength steel, method for manufacturing high-strength steel, steel pipe, and method for manufacturing steel pipe
CN107429353B (zh) * 2015-03-27 2019-12-27 杰富意钢铁株式会社 高强度钢及其制造方法、以及钢管及该钢管的制造方法
MX2019008649A (es) * 2017-01-20 2019-12-16 Thyssenkrupp Steel Europe Ag Producto de acero plano laminado en caliente que consiste en un acero de fase compleja con una microestructura y un metodo predominantemente bainitico para la fabricacion de un producto de acero plano.
CN109722611B (zh) * 2017-10-27 2020-08-25 宝山钢铁股份有限公司 一种低屈强比超高强度连续油管用钢及其制造方法
TWI688665B (zh) * 2017-10-30 2020-03-21 日商日本製鐵股份有限公司 熱軋鋼板及其製造方法
JP6773021B2 (ja) * 2017-12-27 2020-10-21 Ｊｆｅスチール株式会社 疲労強度に優れた厚肉大径電縫鋼管およびその製造方法
ES2835285T3 (es) * 2018-01-23 2021-06-22 Ssab Technology Ab Acero laminado en caliente y método para fabricar acero laminado en caliente
CN112313357B (zh) * 2018-06-29 2021-12-31 日本制铁株式会社 钢管和钢板
RU2696920C1 (ru) * 2018-07-30 2019-08-07 Акционерное общество "Выксунский металлургический завод" Способ производства проката для труб магистральных трубопроводов с одновременным обеспечением равномерного удлинения и хладостойкости
JP6693607B1 (ja) * 2018-08-23 2020-05-13 Ｊｆｅスチール株式会社 熱延鋼板およびその製造方法
JP7284380B2 (ja) * 2019-02-08 2023-05-31 日本製鉄株式会社 ラインパイプ用電縫鋼管
KR102255818B1 (ko) * 2019-06-24 2021-05-25 주식회사 포스코 내부식성이 우수한 고강도 구조용 강재 및 그 제조방법
JP6973681B2 (ja) * 2019-11-20 2021-12-01 Ｊｆｅスチール株式会社 電縫鋼管用熱延鋼板およびその製造方法、電縫鋼管およびその製造方法、ラインパイプ、建築構造物
EP4095280A4 (en) * 2020-04-02 2022-12-28 JFE Steel Corporation ELECTRO-WELDED STEEL PIPE AND METHOD OF MANUFACTURING IT
KR102493978B1 (ko) * 2020-12-17 2023-01-31 주식회사 포스코 변형 안정성이 우수한 고강도 박물 api용 강재 및 그 제조방법
CN113215492B (zh) * 2021-05-12 2022-04-08 大冶特殊钢有限公司 一种高韧性的低合金高强度钢的轧制方法
CN116145022B (zh) * 2021-11-19 2024-03-08 宝山钢铁股份有限公司 一种屈服强度不低于900MPa的低屈强比钢板及其制造方法
KR20250092797A (ko) * 2023-12-15 2025-06-24 주식회사 포스코 열연강판 및 그 제조 방법

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0653912B2 (ja) 1989-09-08 1994-07-20 川崎製鉄株式会社 リールバージ敷設性に優れた高靭性電縫鋼管
JP4277405B2 (ja) 2000-01-26 2009-06-10 Ｊｆｅスチール株式会社 低温靱性および溶接性に優れた高強度電縫鋼管用熱延鋼板の製造方法
JP4466320B2 (ja) 2004-10-27 2010-05-26 Ｊｆｅスチール株式会社 ラインパイプ用低降伏比電縫鋼管の製造方法
JP4336294B2 (ja) 2004-11-16 2009-09-30 新日本製鐵株式会社 時効後の変形特性に優れたパイプライン用高強度鋼管の製造方法
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
EP1867742B1 (en) * 2005-04-04 2011-10-19 Nippon Steel Corporation Process for producing a high-strength steel plate and high-strength welded steel pipe excellent in ductile fracture performance
JP5092358B2 (ja) * 2006-11-09 2012-12-05 Ｊｆｅスチール株式会社 高強度高靱性鋼板の製造方法
WO2009145328A1 (ja) * 2008-05-26 2009-12-03 新日本製鐵株式会社 低温靭性と延性破壊停止性能に優れるラインパイプ用高強度熱延鋼板およびその製造方法
WO2010087511A1 (ja) * 2009-01-30 2010-08-05 Ｊｆｅスチール株式会社 低温靭性に優れた厚肉高張力熱延鋼板およびその製造方法
JP5481976B2 (ja) * 2009-07-10 2014-04-23 Ｊｆｅスチール株式会社 高強度溶接鋼管用高張力熱延鋼板およびその製造方法
KR101688082B1 (ko) * 2009-11-25 2016-12-20 제이에프이 스틸 가부시키가이샤 높은 압축 강도 및 내사우어성을 갖는 라인파이프용 용접 강관
JP5742123B2 (ja) * 2010-07-16 2015-07-01 Ｊｆｅスチール株式会社 ラインパイプ用高強度溶接鋼管向け高張力熱延鋼板およびその製造方法
JP5776377B2 (ja) * 2011-06-30 2015-09-09 Ｊｆｅスチール株式会社 耐サワー性に優れたラインパイプ用溶接鋼管向け高強度熱延鋼板およびその製造方法
EP2735622B1 (en) * 2011-07-20 2019-09-04 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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IN2014KN01252A (enExample) 2015-10-16
CN104011245A (zh) 2014-08-27
JP5812115B2 (ja) 2015-11-11
JPWO2013099192A1 (ja) 2015-04-30
KR101664635B1 (ko) 2016-10-10
WO2013099192A1 (ja) 2013-07-04
EP2799575B1 (en) 2016-12-21
WO2013099192A8 (ja) 2014-06-26
EP2799575A1 (en) 2014-11-05
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