TW200904996A - High-strength hot-rolled steel plate for line pipes excellent in low-temperature toughness and process for production of the same - Google Patents

High-strength hot-rolled steel plate for line pipes excellent in low-temperature toughness and process for production of the same Download PDF

Info

Publication number
TW200904996A
TW200904996A TW097107027A TW97107027A TW200904996A TW 200904996 A TW200904996 A TW 200904996A TW 097107027 A TW097107027 A TW 097107027A TW 97107027 A TW97107027 A TW 97107027A TW 200904996 A TW200904996 A TW 200904996A
Authority
TW
Taiwan
Prior art keywords
temperature
cooling
rolling
strength
rolled steel
Prior art date
Application number
TW097107027A
Other languages
English (en)
Chinese (zh)
Other versions
TWI362422B (https=
Inventor
Tatsuo Yokoi
Masanori Minagawa
Takuya Hara
Osamu Yoshida
Hiroshi Abe
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 TW200904996A publication Critical patent/TW200904996A/zh
Application granted granted Critical
Publication of TWI362422B publication Critical patent/TWI362422B/zh

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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • B21B1/22—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 for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—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 for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—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 for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • 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
    • 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
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/04—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
    • C22C38/12—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
    • 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
    • B21B1/22—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 for rolling plates, strips, bands or sheets of indefinite length
    • 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
    • C21D2211/004—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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite

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)
TW097107027A 2007-03-01 2008-02-29 High-strength hot-rolled steel plate for line pipes excellent in low-temperature toughness and process for production of the same TW200904996A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007052040 2007-03-01

Publications (2)

Publication Number Publication Date
TW200904996A true TW200904996A (en) 2009-02-01
TWI362422B TWI362422B (https=) 2012-04-21

Family

ID=39911827

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097107027A TW200904996A (en) 2007-03-01 2008-02-29 High-strength hot-rolled steel plate for line pipes excellent in low-temperature toughness and process for production of the same

Country Status (8)

Country Link
US (1) US8562762B2 (https=)
EP (1) EP2116624B1 (https=)
JP (1) JP5223375B2 (https=)
KR (3) KR20140005370A (https=)
CN (1) CN101622369B (https=)
CA (1) CA2679623C (https=)
TW (1) TW200904996A (https=)
WO (1) WO2008132882A1 (https=)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5098235B2 (ja) * 2006-07-04 2012-12-12 新日鐵住金株式会社 低温靱性に優れたラインパイプ用高強度鋼管及びラインパイプ用高強度鋼板並びにそれらの製造方法
JP5223379B2 (ja) * 2007-03-08 2013-06-26 新日鐵住金株式会社 低温靭性に優れるスパイラルパイプ用高強度熱延鋼板およびその製造方法
JP4700765B2 (ja) * 2008-05-26 2011-06-15 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
US9208458B2 (en) * 2008-10-02 2015-12-08 Certusview Technologies, Llc Methods and apparatus for analyzing locate and marking operations with respect to facilities maps
JP5155097B2 (ja) * 2008-10-21 2013-02-27 株式会社神戸製鋼所 鉱物を収容する容器に用いられる鋼材
KR101304824B1 (ko) * 2009-12-28 2013-09-05 주식회사 포스코 라인 파이프용 ａｐｉ 강판 및 그 제조방법
CN101831597B (zh) * 2010-04-27 2011-11-02 无锡法斯特管业有限公司 一种石油套管的制造方法
JP4970625B2 (ja) * 2010-06-30 2012-07-11 新日本製鐵株式会社 熱延鋼板及びその製造方法
JP5029748B2 (ja) * 2010-09-17 2012-09-19 Ｊｆｅスチール株式会社 靭性に優れた高強度熱延鋼板およびその製造方法
JP5621478B2 (ja) * 2010-09-29 2014-11-12 Ｊｆｅスチール株式会社 高靱性かつ高変形性高強度鋼管用鋼板およびその製造方法
CN102021488B (zh) * 2010-11-30 2013-05-08 攀钢集团钢铁钒钛股份有限公司 核岛无缝钢管用钢及其生产方法
JP5776398B2 (ja) * 2011-02-24 2015-09-09 Ｊｆｅスチール株式会社 低温靭性に優れた低降伏比高強度熱延鋼板およびその製造方法
JP5704706B2 (ja) * 2011-03-16 2015-04-22 株式会社神戸製鋼所 Ｈａｚ靭性に優れた高強度厚鋼板
US20120247605A1 (en) * 2011-04-01 2012-10-04 De Amar K Molybdenum-Free, High-Strength, Low-Alloy X80 Steel Plates Formed by Temperature-Controlled Rolling Without Accelerated Cooling
US20120247606A1 (en) * 2011-04-01 2012-10-04 De Amar K Low-Molybdenum, High-Strength Low-Alloy 80 ksi Steel Plates Formed by Temperature-Controlled Rolling Without Accelerated Cooling
PL2698443T3 (pl) 2011-04-13 2018-05-30 Nippon Steel & Sumitomo Metal Corporation Stal walcowana na gorąco do cyjanowania gazowego i sposób jej wytwarzania
KR101555418B1 (ko) 2011-04-13 2015-09-23 신닛테츠스미킨 카부시키카이샤 열연 강판 및 그 제조 방법
KR101290380B1 (ko) * 2011-06-28 2013-07-26 현대제철 주식회사 고강도 구조용 강재 및 그 제조 방법
KR101638707B1 (ko) * 2011-07-20 2016-07-11 제이에프이 스틸 가부시키가이샤 저온 인성이 우수한 저항복비 고강도 열연 강판 및 그 제조 방법
EP2803745B1 (en) * 2012-01-13 2017-08-02 Nippon Steel & Sumitomo Metal Corporation Hot-rolled steel sheet and manufacturing method for same
JP5741483B2 (ja) * 2012-02-27 2015-07-01 新日鐵住金株式会社 現地溶接性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
CN102534377B (zh) * 2012-02-29 2013-06-26 首钢总公司 韧性优良的x70级抗大变形管线钢板及其制备方法
CN102605296A (zh) * 2012-03-13 2012-07-25 宝山钢铁股份有限公司 一种核电压力容器用钢及其制造方法
RU2613824C2 (ru) 2012-04-13 2017-03-21 ДжФЕ СТИЛ КОРПОРЕЙШН Высокопрочные толстостенные стальные трубы, сваренные электрической контактной сваркой, с высокой ударной вязкостью и способ их изготовления
CN102851585A (zh) * 2012-04-20 2013-01-02 宿迁南钢金鑫轧钢有限公司 一种含铌大规格高强度角钢及其生产工艺
JP5516659B2 (ja) 2012-06-28 2014-06-11 Ｊｆｅスチール株式会社 中温域の長期耐軟化性に優れた高強度電縫鋼管及びその製造方法
KR101412376B1 (ko) * 2012-07-30 2014-06-27 현대제철 주식회사 열간압연 방법 및 이를 이용하여 제조된 라인파이프용 강판
KR101536387B1 (ko) * 2012-12-27 2015-07-13 주식회사 포스코 극저온 인성이 우수하고 저항복비 특성을 가지는 고강도 강판 및 그의 제조방법
KR101482359B1 (ko) * 2012-12-27 2015-01-13 주식회사 포스코 극저온 인성이 우수하고 저항복비 특성을 갖는 고강도 강판 및 그의 제조방법
CN104109744B (zh) * 2014-07-28 2016-11-09 攀钢集团西昌钢钒有限公司 提高管线钢落锤性能的方法
CN104250713B (zh) * 2014-09-19 2017-01-11 江阴兴澄特种钢铁有限公司 一种x80级抗大变形管线钢板及其制造方法
KR102348539B1 (ko) * 2015-12-24 2022-01-07 주식회사 포스코 저항복비형 고강도 강재 및 그 제조방법
CN105821335B (zh) * 2016-06-15 2018-02-02 山东钢铁股份有限公司 一种焊接性优良的低成本超低温正火型管线钢及其生产方法
MX2018015659A (es) * 2016-06-22 2019-03-14 Jfe Steel Corp Lamina de acero laminada en caliente para tuberia de conduccion de alta resistencia de gran espesor, tuberia de acero soldada para tuberia de conduccion de alta resistencia de gran espesor, y metodo para producir la tuberia de acero soldada.
CN105970099B (zh) * 2016-06-28 2017-12-19 哈尔滨工程大学 一种含Cu止裂钢及其制备方法
KR101879082B1 (ko) * 2016-12-21 2018-07-16 주식회사 포스코 저항복비형 초고강도 강재 및 그 제조방법
RU2640685C1 (ru) * 2017-02-13 2018-01-11 Открытое акционерное общество "Российский научно-исследовательский институт трубной промышленности" (ОАО "РосНИТИ") Способ изготовления стального листа для труб с повышенной деформационной способностью
CN110475887A (zh) * 2017-04-04 2019-11-19 日本制铁株式会社 纵缝焊接钢管
KR102119975B1 (ko) * 2018-11-29 2020-06-08 주식회사 포스코 저온인성과 연신율이 우수하며, 항복비가 작은 후물 고강도 라인파이프용 강재 및 그 제조방법
RU2690076C1 (ru) * 2018-12-18 2019-05-30 Публичное акционерное общество "Северсталь" Листовой прокат и способ его получения
CN110106444B (zh) * 2019-05-30 2020-08-25 首钢集团有限公司 一种驱动桥壳700MPa级热轧板卷及其制备方法
JP2020204066A (ja) * 2019-06-14 2020-12-24 日本製鉄株式会社 鋼片の管理方法
CN112845654B (zh) * 2019-11-12 2023-03-10 新疆大学 一种钛及钛合金大规格无缝管材的制备方法
CN114667662B (zh) * 2019-11-15 2024-10-01 日本制铁株式会社 转子芯、转子和旋转电机
WO2021181543A1 (ja) * 2020-03-11 2021-09-16 Ｊｆｅスチール株式会社 鋼材およびその製造方法、ならびにタンク
KR102592580B1 (ko) * 2021-09-29 2023-10-23 현대제철 주식회사 열연 강판 및 그 제조 방법
CN116162866B (zh) * 2021-11-25 2024-12-27 中国石油天然气集团有限公司 一种双峰组织高应变海洋用管线钢、管线管及其制造方法
KR102719164B1 (ko) * 2021-12-27 2024-10-21 현대제철 주식회사 열연 강판 및 그 제조 방법
KR102845298B1 (ko) * 2022-12-26 2025-08-13 현대제철 주식회사 후강판 및 그 제조방법
CN118497605A (zh) * 2024-03-21 2024-08-16 江阴兴澄特种钢铁有限公司 一种集装箱船用eh40止裂钢板及其制造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07173536A (ja) * 1993-12-16 1995-07-11 Nippon Steel Corp 耐サワー性の優れた高強度ラインパイプ用鋼板の製造法
JPH0885841A (ja) 1994-09-20 1996-04-02 Nippon Steel Corp 低温靭性の優れた高強度耐サワーラインパイプ用鋼板
DE69834932T2 (de) * 1997-07-28 2007-01-25 Exxonmobil Upstream Research Co., Houston Ultrahochfeste, schweissbare stähle mit ausgezeichneter ultratief-temperaturzähigkeit
JP3752078B2 (ja) * 1998-02-17 2006-03-08 新日本製鐵株式会社 耐サワ−性に優れた高強度鋼板およびその製造法
KR20030021965A (ko) 2001-09-10 2003-03-15 주식회사 포스코 극저온 충격인성이 우수한 라인파이프용 열연강판 및 그제조방법
JP4305216B2 (ja) * 2004-02-24 2009-07-29 Ｊｆｅスチール株式会社 溶接部の靭性に優れる耐サワー高強度電縫鋼管用熱延鋼板およびその製造方法
JP4802450B2 (ja) * 2004-03-17 2011-10-26 Ｊｆｅスチール株式会社 耐ｈｉｃ性に優れた厚手熱延鋼板とその製造方法
JP4555694B2 (ja) * 2005-01-18 2010-10-06 新日本製鐵株式会社 加工性に優れる焼付け硬化型熱延鋼板およびその製造方法
JP5151008B2 (ja) * 2005-03-29 2013-02-27 Ｊｆｅスチール株式会社 耐ｈｉｃ性および溶接部靱性優れる耐サワー高強度電縫鋼管用熱延鋼板およびその製造方法
JP4058097B2 (ja) * 2006-04-13 2008-03-05 新日本製鐵株式会社 アレスト性に優れた高強度厚鋼板
KR100868423B1 (ko) 2006-12-26 2008-11-11 주식회사 포스코 조관후 강도변화가 작은 스파이럴 강관용 후물 열연 고강도ａｐｉ－ｘ８０ 급 강재 및 제조방법

Also Published As

Publication number Publication date
US20100084054A1 (en) 2010-04-08
JP5223375B2 (ja) 2013-06-26
US8562762B2 (en) 2013-10-22
CN101622369B (zh) 2011-08-03
EP2116624B1 (en) 2017-02-22
EP2116624A1 (en) 2009-11-11
JP2008240151A (ja) 2008-10-09
EP2116624A4 (en) 2010-06-02
KR20140005370A (ko) 2014-01-14
KR20090109567A (ko) 2009-10-20
CA2679623A1 (en) 2008-11-06
WO2008132882A1 (ja) 2008-11-06
TWI362422B (https=) 2012-04-21
CN101622369A (zh) 2010-01-06
CA2679623C (en) 2014-06-17
KR20120070621A (ko) 2012-06-29

Similar Documents

Publication Publication Date Title
TW200904996A (en) High-strength hot-rolled steel plate for line pipes excellent in low-temperature toughness and process for production of the same
CN103635600B (zh) 耐酸性优良的管线管用厚壁高强度无缝钢管及其制造方法
EP2133441B1 (en) High-strength hot-rolled steel plate excellent in low-temperature toughness for spiral pipe and process for producing the same
EP2295615B1 (en) High-strength hot-rolled steel sheet for line pipe excellent in low-temperature toughness and ductile-fracture-stopping performance and process for producing the same
CN102959114B (zh) 热轧钢板及其制造方法
EP2752499B1 (en) Thick wall electric resistance welded steel pipe and method of production of same
KR101436773B1 (ko) 라인 파이프용 핫 코일 및 그 제조 방법
CN103687975B (zh) 低温韧性优良的低屈服比高强度热轧钢板及其制造方法
JPWO2013100106A1 (ja) 変形性能と低温靭性に優れた高強度鋼管、高強度鋼板、および前記鋼板の製造方法
JP5842537B2 (ja) 高圧水素貯蔵容器用高強度鋼材
JP6149776B2 (ja) 高靭性高延性高強度熱延鋼板及びその製造方法
CN107532253A (zh) 高强度/高韧性钢板及其制造方法
JP7048378B2 (ja) 高強度高延性鋼板
JP5927927B2 (ja) 現地溶接性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
KR101139540B1 (ko) 저온 인성이 우수한 스파이럴 파이프용 고강도 열연 강판 및 그 제조 방법
JP2002285280A (ja) 溶接部の疲労特性に優れた溶接構造用鋼およびその製造方法

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees