EP3042976A4 - Stahlblech für hochfestes dickwandiges leitungsrohr mit aussergewöhnlichem aussäuerungswiderstand, quetschfestigkeitseigenschaften und duktilität bei niedrigen temperaturen sowie leitungsrohr - Google Patents

Stahlblech für hochfestes dickwandiges leitungsrohr mit aussergewöhnlichem aussäuerungswiderstand, quetschfestigkeitseigenschaften und duktilität bei niedrigen temperaturen sowie leitungsrohr Download PDF

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Publication number
EP3042976A4
EP3042976A4 EP14840842.0A EP14840842A EP3042976A4 EP 3042976 A4 EP3042976 A4 EP 3042976A4 EP 14840842 A EP14840842 A EP 14840842A EP 3042976 A4 EP3042976 A4 EP 3042976A4
Authority
EP
European Patent Office
Prior art keywords
line pipe
exceptional
thick
steel sheet
low
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.)
Granted
Application number
EP14840842.0A
Other languages
English (en)
French (fr)
Other versions
EP3042976A1 (de
EP3042976B1 (de
Inventor
Takuya Hara
Taishi Fujishiro
Yasuhiro Shinohara
Eiji Tsuru
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 EP3042976A1 publication Critical patent/EP3042976A1/de
Publication of EP3042976A4 publication Critical patent/EP3042976A4/de
Application granted granted Critical
Publication of EP3042976B1 publication Critical patent/EP3042976B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/78—Combined heat-treatments not provided for above
    • 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
    • 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
    • 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
    • C21D2211/005—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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Manufacturing & Machinery (AREA)
EP14840842.0A 2013-08-30 2014-08-29 Stahlblech für dickwandiges hochfestes leitungsrohr mit aussergewöhnlicher korrosionsbeständigkeit, quetschfestigkeitseigenschaften und duktilität bei niedrigen temperaturen sowie leitungsrohr Active EP3042976B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013180663 2013-08-30
PCT/JP2014/072833 WO2015030210A1 (ja) 2013-08-30 2014-08-29 耐サワー性、耐圧潰特性及び低温靭性に優れた厚肉高強度ラインパイプ用鋼板とラインパイプ

Publications (3)

Publication Number Publication Date
EP3042976A1 EP3042976A1 (de) 2016-07-13
EP3042976A4 true EP3042976A4 (de) 2017-05-10
EP3042976B1 EP3042976B1 (de) 2020-05-13

Family

ID=52586756

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14840842.0A Active EP3042976B1 (de) 2013-08-30 2014-08-29 Stahlblech für dickwandiges hochfestes leitungsrohr mit aussergewöhnlicher korrosionsbeständigkeit, quetschfestigkeitseigenschaften und duktilität bei niedrigen temperaturen sowie leitungsrohr

Country Status (6)

Country Link
EP (1) EP3042976B1 (de)
JP (1) JP5776860B1 (de)
KR (1) KR101730756B1 (de)
CN (1) CN105143487B (de)
RU (1) RU2637202C2 (de)
WO (1) WO2015030210A1 (de)

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KR101647226B1 (ko) * 2014-12-24 2016-08-10 주식회사 포스코 파괴전파 저항성 및 항복비 특성이 우수한 강재 및 그 제조방법
JP6354789B2 (ja) * 2015-05-29 2018-07-11 Ｊｆｅスチール株式会社 高強度高靭性鋼管用鋼板の製造方法及び高強度高靭性鋼管用鋼板
CN105441799B (zh) * 2015-11-25 2017-05-24 武汉钢铁(集团)公司 低温环境用高强韧低屈强比调质钢板及其制备方法
JP6665515B2 (ja) * 2015-12-15 2020-03-13 日本製鉄株式会社 耐サワー鋼板
CN105543680B (zh) * 2015-12-21 2018-01-05 秦皇岛首秦金属材料有限公司 微硼处理抗拉强度700MPa级宽厚板及制造方法
CN106086641B (zh) * 2016-06-23 2017-08-22 江阴兴澄特种钢铁有限公司 一种抗硫化氢腐蚀特大型石油储罐用高强钢及其制造方法
JP6610520B2 (ja) * 2016-11-30 2019-11-27 Ｊｆｅスチール株式会社 鋼矢板およびその製造方法
KR101917455B1 (ko) 2016-12-22 2018-11-09 주식회사 포스코 표면부 nrl-dwt 물성이 우수한 극후물 강재 및 그 제조방법
KR101908819B1 (ko) * 2016-12-23 2018-10-16 주식회사 포스코 저온에서의 파괴 개시 및 전파 저항성이 우수한 고강도 강재 및 그 제조방법
KR102379985B1 (ko) * 2017-09-19 2022-03-29 닛폰세이테츠 가부시키가이샤 강관 및 강판
EP3702485B1 (de) * 2017-10-26 2021-12-22 Nippon Steel Corporation Nickel enthaltender stahl für niedrige temperaturen
KR102045641B1 (ko) * 2017-12-22 2019-11-15 주식회사 포스코 저온에서의 내파괴 특성이 우수한 극지 환경용 고강도 강재 및 그 제조방법
KR101999015B1 (ko) * 2017-12-24 2019-07-10 주식회사 포스코 취성균열 전파 저항성이 우수한 구조용 강재 및 그 제조방법
KR101999022B1 (ko) 2017-12-26 2019-07-10 주식회사 포스코 피로균열 전파 억제 특성이 우수한 구조용 고강도 강재 및 그 제조방법
KR102045654B1 (ko) * 2017-12-26 2019-11-15 주식회사 포스코 고온 특성과 상온 가공성이 우수한 냉연강판 및 그 제조방법
JP6901417B2 (ja) * 2018-02-21 2021-07-14 株式会社神戸製鋼所 高強度鋼板および高強度亜鉛めっき鋼板、並びにそれらの製造方法
CN108396256B (zh) * 2018-03-05 2020-04-24 白婷婷 高强度石油用管线钢及其制备方法
BR112020014081A2 (pt) * 2018-03-22 2020-12-01 Nippon Steel Corporation aço resistente à abrasão e método para a sua produção
CN108646463B (zh) * 2018-03-26 2021-07-09 厦门天马微电子有限公司 背光模组及检测背光模组是否重工的方法和显示装置
JP6773154B2 (ja) * 2018-03-27 2020-10-21 Ｊｆｅスチール株式会社 鋼管の耐圧潰特性の評価方法
JP7155702B2 (ja) * 2018-07-19 2022-10-19 日本製鉄株式会社 耐サワーラインパイプ用厚鋼板およびその製造方法
CN108914005B (zh) * 2018-08-10 2020-11-10 宝武集团鄂城钢铁有限公司 一种屈服强度＞460MPa的低温韧性优异的特厚耐腐蚀钢板及其生产方法
KR102164107B1 (ko) * 2018-11-30 2020-10-13 주식회사 포스코 저온파괴인성 및 연신율이 우수한 고강도 강판 및 그 제조방법
JP7248885B2 (ja) * 2019-01-24 2023-03-30 日本製鉄株式会社 鋼板及び鋼板の製造方法
JP7473770B2 (ja) 2019-03-26 2024-04-24 日本製鉄株式会社 溶接熱影響部の靱性に優れる鋼管用高延性鋼板とその製造方法及び溶接熱影響部の靱性に優れる構造用鋼管とその製造方法
KR102255818B1 (ko) 2019-06-24 2021-05-25 주식회사 포스코 내부식성이 우수한 고강도 구조용 강재 및 그 제조방법
CN112575158B (zh) * 2019-09-29 2022-07-29 宝山钢铁股份有限公司 一种高塑性厚规格管线钢板及其制造方法
KR20220098786A (ko) * 2020-01-17 2022-07-12 닛폰세이테츠 가부시키가이샤 강판 및 강관
CN115667875A (zh) * 2020-05-26 2023-01-31 杰富意钢铁株式会社 钢管压溃强度预测模型的生成方法、钢管的压溃强度预测方法、钢管的制造特性决定方法以及钢管的制造方法
CN114134432B (zh) * 2021-05-06 2022-12-06 江阴兴澄特种钢铁有限公司 一种tmcp工艺生产的高抗回火稳定性的高强度钢板及其制造方法
EP4321632A1 (de) * 2021-05-14 2024-02-14 JFE Steel Corporation Hochfestes warmgewalztes stahlblech und herstellungsverfahren dafür sowie hochfestes widerstandsgeschweisstes stahlrohr und herstellungsverfahren dafür
CN113564485B (zh) * 2021-09-24 2021-12-31 江苏省沙钢钢铁研究院有限公司 风电用钢板及其生产方法
KR20230094375A (ko) * 2021-12-21 2023-06-28 주식회사 포스코 저온 충격인성이 우수한 고강도 후강판 및 그 제조방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05195057A (ja) * 1991-07-31 1993-08-03 Kawasaki Steel Corp Ｌ方向ＹＳ特性の優れた高Ｃｒ鋼系ＵＯＥ鋼板および 高Ｃｒ系耐候性鋼板の製造方法
EP0757113A1 (de) * 1995-02-03 1997-02-05 Nippon Steel Corporation Hochfester pipelinestahl mit niedriger streckgrenze und hervorragender tieftemperaturzähigkeit
JPH10147845A (ja) * 1996-11-19 1998-06-02 Nippon Steel Corp 疲労強度が高い鋼板およびその製造方法
EP1867742A1 (de) * 2005-04-04 2007-12-19 Nippon Steel Corporation Hochfestes stahlblech und hochfestes geschweisstes stahlrohr mit hervorragender leistungsfähigkeit bezüglich duktilem bruch und herstellungsverfahren dafür
WO2010052927A1 (ja) * 2008-11-06 2010-05-14 新日本製鐵株式会社 超高強度ラインパイプ用鋼板および鋼管の製造方法
EP2395122A1 (de) * 2009-02-06 2011-12-14 JFE Steel Corporation Hochfestes stahlrohr für niedertemperaturanwendung mit hervorragender knickresistenz und beständigkeit in bereichen unter schweisshitzeienwirkung sowie herstellungsverfahren dafür

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05148544A (ja) * 1991-11-25 1993-06-15 Nippon Steel Corp 板厚方向の硬さ分布が均一な高強度高靭性鋼板の製造法
JP3116156B2 (ja) * 1994-06-16 2000-12-11 新日本製鐵株式会社 耐食性および溶接性に優れた鋼管の製造方法
JPH0841536A (ja) 1994-07-29 1996-02-13 Kawasaki Steel Corp 板厚方向の硬度むらが少なくｄｗｔｔ特性の優れた高張力鋼板の製造方法
RU2136776C1 (ru) * 1995-02-03 1999-09-10 Ниппон Стил Корпорейшн Высокопрочная сталь для магистральных трубопроводов, имеющая низкий коэффициент текучести и повышенную низкотемпературную вязкость
JP5251092B2 (ja) * 2006-11-30 2013-07-31 新日鐵住金株式会社 低温靱性に優れた高強度ラインパイプ用溶接鋼管及びその製造方法
JP5251089B2 (ja) * 2006-12-04 2013-07-31 新日鐵住金株式会社 低温靱性に優れた高強度厚肉ラインパイプ用溶接鋼管及びその製造方法
JP5217385B2 (ja) * 2007-11-21 2013-06-19 Ｊｆｅスチール株式会社 高靭性ラインパイプ用鋼板およびその製造方法
CN101883875B (zh) * 2007-12-04 2012-10-10 Posco公司 具有出色低温韧性的高强度钢板及其制造方法
JP5348383B2 (ja) 2008-09-30 2013-11-20 Ｊｆｅスチール株式会社 圧潰強度に優れた高靱性溶接鋼管およびその製造方法
JP5348382B2 (ja) 2008-09-30 2013-11-20 Ｊｆｅスチール株式会社 バウシンガー効果による降伏応力低下が小さい高靱性ラインパイプ用厚鋼板およびその製造方法。
JP5439889B2 (ja) * 2009-03-25 2014-03-12 Ｊｆｅスチール株式会社 厚肉高靭性鋼管素材用厚鋼板およびその製造方法
JP5381234B2 (ja) * 2009-03-31 2014-01-08 Ｊｆｅスチール株式会社 圧縮強度の高いラインパイプの製造方法
CN102666898A (zh) 2009-11-25 2012-09-12 杰富意钢铁株式会社 高压缩强度优异的管线管用焊接钢管及其制造方法
JP5509897B2 (ja) 2010-02-10 2014-06-04 セイコーエプソン株式会社 搬送ローラーの製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05195057A (ja) * 1991-07-31 1993-08-03 Kawasaki Steel Corp Ｌ方向ＹＳ特性の優れた高Ｃｒ鋼系ＵＯＥ鋼板および 高Ｃｒ系耐候性鋼板の製造方法
EP0757113A1 (de) * 1995-02-03 1997-02-05 Nippon Steel Corporation Hochfester pipelinestahl mit niedriger streckgrenze und hervorragender tieftemperaturzähigkeit
JPH10147845A (ja) * 1996-11-19 1998-06-02 Nippon Steel Corp 疲労強度が高い鋼板およびその製造方法
EP1867742A1 (de) * 2005-04-04 2007-12-19 Nippon Steel Corporation Hochfestes stahlblech und hochfestes geschweisstes stahlrohr mit hervorragender leistungsfähigkeit bezüglich duktilem bruch und herstellungsverfahren dafür
WO2010052927A1 (ja) * 2008-11-06 2010-05-14 新日本製鐵株式会社 超高強度ラインパイプ用鋼板および鋼管の製造方法
EP2395122A1 (de) * 2009-02-06 2011-12-14 JFE Steel Corporation Hochfestes stahlrohr für niedertemperaturanwendung mit hervorragender knickresistenz und beständigkeit in bereichen unter schweisshitzeienwirkung sowie herstellungsverfahren dafür

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015030210A1 *

Also Published As

Publication number Publication date
RU2637202C2 (ru) 2017-11-30
EP3042976A1 (de) 2016-07-13
CN105143487B (zh) 2017-03-08
EP3042976B1 (de) 2020-05-13
JPWO2015030210A1 (ja) 2017-03-02
JP5776860B1 (ja) 2015-09-09
RU2016106920A (ru) 2017-10-05
CN105143487A (zh) 2015-12-09
KR20150139950A (ko) 2015-12-14
WO2015030210A1 (ja) 2015-03-05
KR101730756B1 (ko) 2017-04-26

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