[go: up one dir, main page]

EP3042976A4 - Tôle d'acier pour tube de canalisation haute résistance à paroi épaisse présentant d'exceptionnelles propriétés de résistance au vieillissement, de résistance aux chocs, et une ductilité à faible température, et tube de canalisation - Google Patents

Tôle d'acier pour tube de canalisation haute résistance à paroi épaisse présentant d'exceptionnelles propriétés de résistance au vieillissement, de résistance aux chocs, et une ductilité à faible température, et tube de canalisation Download PDF

Info

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
German (de)
English (en)
Other versions
EP3042976B1 (fr
EP3042976A1 (fr
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/fr
Publication of EP3042976A4 publication Critical patent/EP3042976A4/fr
Application granted granted Critical
Publication of EP3042976B1 publication Critical patent/EP3042976B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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)
  • 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)
  • Manufacturing & Machinery (AREA)
EP14840842.0A 2013-08-30 2014-08-29 Tôle d'acier pour tube de canalisation à paroi épaisse et à haute résistance mécanique ayant d'excellentes caracteristiques de résistance à la corrosion et à l'affaissement, et une ductilité aux basses températures, ainsi que tube de canalisation Active EP3042976B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013180663 2013-08-30
PCT/JP2014/072833 WO2015030210A1 (fr) 2013-08-30 2014-08-29 Tôle d'acier pour tube de canalisation haute résistance à paroi épaisse présentant d'exceptionnelles propriétés de résistance au vieillissement, de résistance aux chocs, et une ductilité à faible température, et tube de canalisation

Publications (3)

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

Family

ID=52586756

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14840842.0A Active EP3042976B1 (fr) 2013-08-30 2014-08-29 Tôle d'acier pour tube de canalisation à paroi épaisse et à haute résistance mécanique ayant d'excellentes caracteristiques de résistance à la corrosion et à l'affaissement, et une ductilité aux basses températures, ainsi que tube de canalisation

Country Status (6)

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

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP6344538B1 (ja) * 2017-09-19 2018-06-20 新日鐵住金株式会社 鋼管及び鋼板
US11371127B2 (en) * 2017-10-26 2022-06-28 Nippon Steel Corporation Nickel-containing steel for low temperature
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
KR102045654B1 (ko) 2017-12-26 2019-11-15 주식회사 포스코 고온 특성과 상온 가공성이 우수한 냉연강판 및 그 제조방법
KR101999022B1 (ko) * 2017-12-26 2019-07-10 주식회사 포스코 피로균열 전파 억제 특성이 우수한 구조용 고강도 강재 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
JP6729823B2 (ja) * 2018-03-22 2020-07-22 日本製鉄株式会社 耐摩耗鋼の製造方法
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
WO2020208979A1 (fr) 2019-04-11 2020-10-15 日本製鉄株式会社 Tôle d'acier et son procédé de production
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
KR102326109B1 (ko) * 2019-12-16 2021-11-16 주식회사 포스코 황화물 응력부식 균열 저항성이 우수한 강재 및 이의 제조방법
BR112022008897A2 (pt) * 2020-01-17 2022-08-23 Nippon Steel Corp Placa de aço e tubo de aço
BR112022023698A2 (pt) * 2020-05-26 2022-12-20 Jfe Steel Corp Método de geração de modelo de previsão de resistência de colapso de tubo de aço, método de previsão de resistência de colapso de tubo de aço, método de determinação de características de fabricação de tubo de aço e método de fabricação de tubo de aço
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
CA3218133A1 (fr) * 2021-05-14 2022-11-17 Akihide MATSUMOTO Tole d'acier laminee a chaud a haute resistance et son procede de fabrication, et tuyau en acier soude par resistance electrique a haute resistance et son procede de fabrication
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 (fr) * 1995-02-03 1997-02-05 Nippon Steel Corporation Acier de canalisation extremement resistant possedant un rapport d'ecoulement peu eleve et une excellente resistance a basse temperature
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 (fr) * 2005-04-04 2007-12-19 Nippon Steel Corporation Tole d acier tres resistante et tuyau d acier soude tres resistant ayant une performance de cassure ductile excellente et procede pour les fabriquer
WO2010052927A1 (fr) * 2008-11-06 2010-05-14 新日本製鐵株式会社 Procédé de fabrication de tôle et de tuyau d'acier pour tuyau de canalisation à ultra-haute résistance
EP2395122A1 (fr) * 2009-02-06 2011-12-14 JFE Steel Corporation Tube d'acier à haute résistance pour utilisation à basse température, présentant, au niveau des zones affectées par la chaleur du soudage, des qualités supérieures de résistance au flambage et de ténacité

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
US8039118B2 (en) * 2006-11-30 2011-10-18 Nippon Steel Corporation Welded steel pipe for high strength line pipe superior in low temperature toughness and method of production of the same
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
EP2240618B1 (fr) * 2007-12-04 2013-01-23 Posco Tôle d'acier à haute résistance avec une excellente ténacité à basse température et procédé de fabrication de celle-ci
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
EP2505682B1 (fr) 2009-11-25 2021-01-06 JFE Steel Corporation Tuyau d'acier soudé pour tube de canalisation présentant une résistance à la compression supérieure, et procédé de production de celui-ci
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 (fr) * 1995-02-03 1997-02-05 Nippon Steel Corporation Acier de canalisation extremement resistant possedant un rapport d'ecoulement peu eleve et une excellente resistance a basse temperature
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 (fr) * 2005-04-04 2007-12-19 Nippon Steel Corporation Tole d acier tres resistante et tuyau d acier soude tres resistant ayant une performance de cassure ductile excellente et procede pour les fabriquer
WO2010052927A1 (fr) * 2008-11-06 2010-05-14 新日本製鐵株式会社 Procédé de fabrication de tôle et de tuyau d'acier pour tuyau de canalisation à ultra-haute résistance
EP2395122A1 (fr) * 2009-02-06 2011-12-14 JFE Steel Corporation Tube d'acier à haute résistance pour utilisation à basse température, présentant, au niveau des zones affectées par la chaleur du soudage, des qualités supérieures de résistance au flambage et de ténacité

Non-Patent Citations (1)

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

Also Published As

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

Similar Documents

Publication Publication Date Title
EP3042976A4 (fr) Tôle d'acier pour tube de canalisation haute résistance à paroi épaisse présentant d'exceptionnelles propriétés de résistance au vieillissement, de résistance aux chocs, et une ductilité à faible température, et tube de canalisation
EP3050988A4 (fr) Tôle d'acier à haute résistance présentant d'excellentes propriétés de ductilité et de ténacité à basse température, et son procédé de production
EP2837708A4 (fr) Tuyau en acier soudé par résistance électrique à paroi épaisse et résistance élevée présentant une excellente ténacité à basse température, et son procédé de fabrication
EP3026138B8 (fr) Matériau d'acier à grande résistance mécanique pour utilisation dans les puits de pétrole, et tube pour puits de pétrole
EP3121306A4 (fr) Tuyau sans soudure en acier inoxydable haute résistance pour puits de pétrole, et son procédé de production
EP2857530A4 (fr) Tuyau sans soudure en acier inoxydable à haute résistance destiné à être utilisé comme tuyauterie de puits de pétrole et procédé de fabrication s'y rapportant
EP2865777A4 (fr) Tuyau en acier inoxydable à forte résistance sans soudure ayant une excellente résistance à la corrosion pour des puits de pétrole, et son procédé de fabrication
EP3173502A4 (fr) Acier inoxydable ferritique et procédé de production de celui-ci, et échangeur de chaleur comprenant de l'acier inoxydable ferritique en tant qu'élément
EP3026140A4 (fr) Tôle d'acier pour tube de canalisation et tube de canalisation
EP2862954A4 (fr) Tube de canalisation épais, à haute résistance et résistant à l'acidité et son procédé de production
EP2728029A4 (fr) Tôle d'acier laminée à chaud hautement résistante destinée à une conduite en acier soudé présentant une excellente résistance au vieillissement et procédé pour sa production
EP2980235A4 (fr) Plaque en acier présentant une excellente résistance à la fissuration induite par l'hydrogène et une excellente ténacité de la zone exposée à la chaleur de soudage, et tube en acier destiné à être utilisé comme tube de canalisation
EP3178956A4 (fr) Tôle d'acier à haute résistance ainsi que procédé de fabrication de celle-ci, et procédé de fabrication de tôle d'acier galvanisé à haute résistance
EP3144406A4 (fr) Feuille d'acier laminé à froid de résistance élévée présentant une excellente ductilité, feuille d'acier galvanisé zingué au feu et son procédé de fabrication
EP3018231A4 (fr) Tôle d'acier présentant une excellente résistance aux fissurations induites par l'hydrogène et une excellente ténacité ainsi que tube d'acier pour un tube de canalisation
EP2728030A4 (fr) Tuyau en acier sans couture à résistance élevée et à paroi mince qui présente une excellente résistance à l'acidité pour un tuyau pour pipeline et procédé de production de ce dernier
EP3178957A4 (fr) Tôle d'acier à haute résistance ainsi que procédé de fabrication de celle-ci, et procédé de fabrication de tôle d'acier galvanisé à haute résistance
EP3081663A4 (fr) Plaque d'acier dotée d'une excellente résistance à l'acidité, d'une excellente ténacité haz et d'une excellente dureté haz et tuyau en acier pour tuyau de canalisation
EP3409803A4 (fr) Tôle d'acier laminée à chaud de résistance élevée pour tuyau en acier soudé par résistance électrique, et son procédé de fabrication
EP3112490A4 (fr) Tuyau en acier pour une ligne d'injection de carburant, et ligne d'injection de carburant utilisant celui-ci
EP3178953A4 (fr) Tôle d'acier à haute résistance ainsi que procédé de fabrication de celle-ci, et procédé de fabrication de tôle d'acier galvanisé à haute résistance
EP3031943A4 (fr) Tuyau d'acier sans soudure pour tuyau de canalisation, et son procédé de production
EP3020840A4 (fr) Tube en acier épais soudé par résistance électrique pour tube de canalisation, et procédé de fabrication de celui-ci
EP3173501A4 (fr) Tuyau en acier faiblement allié pour puits de pétrole
PL3476960T3 (pl) Blacha stalowa walcowana na gorąco do grubościennych rur przewodowych o wysokiej wytrzymałości, spawana rura stalowa do grubościennych rur przewodowych o dużej wytrzymałości oraz sposób wytwarzania spawanej rury stalowej

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20151223

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/14 20060101ALI20170330BHEP

Ipc: C21D 8/10 20060101ALI20170330BHEP

Ipc: C22C 38/58 20060101ALI20170330BHEP

Ipc: C21D 9/14 20060101ALI20170330BHEP

Ipc: C22C 38/12 20060101ALI20170330BHEP

Ipc: C22C 38/00 20060101AFI20170330BHEP

Ipc: C21D 9/08 20060101ALI20170330BHEP

Ipc: C21D 8/02 20060101ALI20170330BHEP

A4 Supplementary search report drawn up and despatched

Effective date: 20170406

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20180116

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NIPPON STEEL CORPORATION

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Ref document number: 602014065516

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: C22C0038000000

Ipc: C21D0001780000

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/58 20060101ALI20190911BHEP

Ipc: C21D 1/78 20060101AFI20190911BHEP

Ipc: C22C 38/12 20060101ALI20190911BHEP

Ipc: C21D 9/14 20060101ALI20190911BHEP

Ipc: C22C 38/14 20060101ALI20190911BHEP

Ipc: C21D 8/02 20060101ALI20190911BHEP

Ipc: C21D 8/10 20060101ALI20190911BHEP

INTG Intention to grant announced

Effective date: 20191011

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

GRAL Information related to payment of fee for publishing/printing deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR3

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTC Intention to grant announced (deleted)
INTG Intention to grant announced

Effective date: 20200309

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602014065516

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1270354

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200615

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20200513

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200914

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200813

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200913

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200813

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

REG Reference to a national code

Ref country code: AT

Ref legal event code: UEP

Ref document number: 1270354

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200513

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602014065516

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed

Effective date: 20210216

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200831

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200829

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200831

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20200831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200829

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200513

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240702

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20240701

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20240702

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20240725

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20240710

Year of fee payment: 11