EP3859026B1 - Plaque d'acier a haute resistance pour tuyau de ligne resistant a l'acide et procede de fabrication, et tuyau en acier a haute resistance utilisant une plaque d'acier a haute resistance pour tuyau de ligne resistant a l'acide - Google Patents

Plaque d'acier a haute resistance pour tuyau de ligne resistant a l'acide et procede de fabrication, et tuyau en acier a haute resistance utilisant une plaque d'acier a haute resistance pour tuyau de ligne resistant a l'acide Download PDF

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EP3859026B1
EP3859026B1 EP19864846.1A EP19864846A EP3859026B1 EP 3859026 B1 EP3859026 B1 EP 3859026B1 EP 19864846 A EP19864846 A EP 19864846A EP 3859026 B1 EP3859026 B1 EP 3859026B1
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Prior art keywords
steel plate
temperature
high strength
less
cooling
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German (de)
English (en)
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EP3859026A4 (fr
EP3859026A1 (fr
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Junji Shimamura
Tomoyuki Yokota
Satoshi Ueoka
Nobuyuki Ishikawa
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JFE Steel Corp
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JFE Steel Corp
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    • 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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C22C38/06—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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing 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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/22—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
    • C22C38/38—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

Definitions

  • the line pipe used to transport crude oil and natural gas containing hydrogen sulfide is required to have so-called sour resistance such as resistance to hydrogen-induced cracking (HIC resistance) and resistance to sulfide stress corrosion cracking (SSCC resistance), in addition to strength, toughness, weldability, and so on.
  • HIC resistance hydrogen-induced cracking
  • SSCC resistance resistance to sulfide stress corrosion cracking
  • HIC resistance hydrogen-induced cracking
  • SSCC resistance resistance to sulfide stress corrosion cracking
  • Average cooling rate in a temperature range from 750 °C to 550 °C in terms of a temperature at 0.25 mm below the surface of the steel plate 50 °C/s or lower
  • the average cooling rate in a temperature range from 750 °C to 550 °C in terms of a temperature at 0.25 mm below the surface of the steel plate exceeds 50 °C/s
  • the dislocation density at 0.25 mm below the surface of the steel plate exceeds 7.0 ⁇ 10 14 (m -2 ).
  • performing reheating immediately after the stop of the controlled cooling is intended to mean performing reheating within 120 seconds after the stop of the controlled cooling.

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  • 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)

Claims (3)

  1. Plaque d'acier à haute résistance pour un tuyau de ligne résistant à l'acide, comprenant :
    une composition chimique contenant, en % en masse, C : 0,02 % à 0,08 %, Si : 0,01 % à 0,50 %, Mn : 0,50 % à 1,80 %, P : 0,001 % à 0,015 %, S : 0,0002 % à 0,0015 %, Al : 0,01 % à 0,08 %, Mo : 0,01 % à 0,50 %, Ca : 0,0005 % à 0,005 %, au moins l'un choisi dans le groupe constitué de Nb : 0,005 % à 0,1 % et Ti : 0,005 % à 0,1 %, et facultativement un ou plusieurs parmi Cu : 0,50 % ou moins, Ni : 0,10 % ou moins, Cr : 0,50 % ou moins, V : 0,005 % à 0,1 %, Zr : 0,0005 % à 0,02 %, Mg : 0,0005 % à 0,02 %, et REM : 0,0005 % à 0,02 %, le reste étant Fe et des impuretés inévitables ; une microstructure d'acier à 0,25 mm sous une surface de la plaque d'acier étant une microstructure de bainite ayant une densité de dislocation de 1,0 x 1014 à 7,0 × 1014 m-2 ;
    une variation de dureté Vickers à 0,25 mm sous la surface de la plaque d'acier étant de 30 HV ou moins à 3σ, où σ est un écart type ;
    une variation de dureté Vickers dans une direction d'épaisseur de plaque étant de 30 HV ou moins à 3σ, où σ est un écart type ; et
    une résistance à la traction étant de 520 MPa ou plus ;
    où la résistance à la traction est mesurée à l'aide d'une pièce test pleine épaisseur prélevée dans une direction perpendiculaire à la direction de laminage et la dureté Vickers HV 0,1 est mesurée pour une section transversale perpendiculaire à la direction de laminage selon la norme JIS Z 2244 telle que définie dans la description.
  2. Procédé de fabrication d'une plaque d'acier à haute résistance pour un tuyau de ligne résistant à l'acide, le procédé comprenant les étapes consistant à :
    chauffer une brame à une température allant de 1000 °C à 1300 °C, la brame ayant une composition chimique contenant, en % en masse, C : 0,02 % à 0,08 %, Si : 0,01 % à 0,50 %, Mn : 0,50 % à 1,80 %, P : 0,001 % à 0,015 %, S : 0,0002 % à 0,0015 %, Al : 0,01 % à 0,08 %, Mo : 0,01 % à 0,50 %, Ca : 0,0005 % à 0,005 %, au moins l'un choisi dans le groupe constitué de Nb : 0,005 % à 0,1 % et Ti : 0,005 % à 0,1 %, et facultativement un ou plusieurs parmi Cu : 0,50 % ou moins, Ni : 0,10 % ou moins, Cr : 0,50 % ou moins, V : 0,005 % à 0,1 %, Zr : 0,0005 % à 0,02 %, Mg : 0,0005 % à 0,02 %, et REM : 0,0005 % à 0,02 %, le reste étant Fe et des impuretés inévitables, puis laminer à chaud la brame pour former une plaque d'acier ;
    soumettre ensuite la plaque d'acier à un refroidissement régulé sous un ensemble de conditions comprenant :
    une température d'une surface de la plaque d'acier au début du refroidissement étant de (Ar3 - 10 °C) ou plus ;
    une vitesse de refroidissement moyenne dans une plage de températures de 750 °C à 550 °C en termes d'une température à 0,25 mm sous la surface de la plaque d'acier étant de 50 °C/s ou moins ;
    une vitesse de refroidissement moyenne dans une plage de températures de 750 °C à 550 °C en termes d'une température moyenne de la plaque d'acier étant de 15 °C/s ou plus ;
    une vitesse de refroidissement moyenne dans une plage de températures de 550 °C à une température d'arrêt de refroidissement en termes d'une température à 0,25 mm sous la surface de la plaque d'acier étant de 150 °C/s ou plus ; et
    une température d'arrêt de refroidissement en termes d'une température moyenne de la plaque d'acier étant de 250 °C à 550 °C ; et
    réchauffer ensuite la plaque d'acier avec une température moyenne de la plaque d'acier qui est au moins 50 °C supérieure à la température d'arrêt de refroidissement et dans une plage de 450 °C à 600 °C.
  3. Tuyau en acier à haute résistance utilisant la plaque d'acier à haute résistance pour un tuyau de ligne résistant à l'acide selon la revendication 1.
EP19864846.1A 2018-09-28 2019-09-25 Plaque d'acier a haute resistance pour tuyau de ligne resistant a l'acide et procede de fabrication, et tuyau en acier a haute resistance utilisant une plaque d'acier a haute resistance pour tuyau de ligne resistant a l'acide Active EP3859026B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018185791 2018-09-28
PCT/JP2019/037698 WO2020067210A1 (fr) 2018-09-28 2019-09-25 Tôle d'acier haute résistance pour tuyau de canalisation résistant à l'acidité, son procédé de production, et tuyau en acier haute résistance utilisant une tôle d'acier haute résistance pour tuyau de canalisation résistant à l'acidité

Publications (3)

Publication Number Publication Date
EP3859026A1 EP3859026A1 (fr) 2021-08-04
EP3859026A4 EP3859026A4 (fr) 2021-09-01
EP3859026B1 true EP3859026B1 (fr) 2023-09-06

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EP19864846.1A Active EP3859026B1 (fr) 2018-09-28 2019-09-25 Plaque d'acier a haute resistance pour tuyau de ligne resistant a l'acide et procede de fabrication, et tuyau en acier a haute resistance utilisant une plaque d'acier a haute resistance pour tuyau de ligne resistant a l'acide

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EP (1) EP3859026B1 (fr)
JP (1) JP6825749B2 (fr)
KR (1) KR102524176B1 (fr)
CN (1) CN112752858B (fr)
RU (1) RU2767261C1 (fr)
WO (1) WO2020067210A1 (fr)

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WO2022239591A1 (fr) * 2021-05-14 2022-11-17 Ｊｆｅスチール株式会社 Tôle d'acier laminée à chaud à haute résistance et son procédé de fabrication, et tuyau en acier soudé par résistance électrique à haute résistance et son procédé de fabrication
JP2023540590A (ja) 2021-05-18 2023-09-25 エルジー エナジー ソリューション リミテッド リチウム二次電池用正極およびそれを含むリチウム二次電池
JPWO2023162571A1 (fr) * 2022-02-24 2023-08-31

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JP5516784B2 (ja) * 2012-03-29 2014-06-11 Ｊｆｅスチール株式会社 低降伏比高強度鋼板およびその製造方法並びにそれを用いた高強度溶接鋼管
JP5516785B2 (ja) * 2012-03-29 2014-06-11 Ｊｆｅスチール株式会社 低降伏比高強度鋼板およびその製造方法並びにそれを用いた高強度溶接鋼管
BR112015005440B1 (pt) * 2012-09-13 2019-07-30 Jfe Steel Corporation Chapa de aço laminada a quente e método para fabricar a mesma
JP6165088B2 (ja) * 2013-03-29 2017-07-19 株式会社神戸製鋼所 耐水素誘起割れ性と溶接熱影響部の靭性に優れた鋼板およびラインパイプ用鋼管
CA2980424C (fr) * 2015-03-26 2020-03-10 Jfe Steel Corporation Tole d'acier epaisse pour tube de construction, procede de fabrication de tole d'acier epaisse pour tube de construction, et tube de construction
KR20190129957A (ko) * 2017-03-30 2019-11-20 제이에프이 스틸 가부시키가이샤 내사우어 라인 파이프용 고강도 강판 및 그의 제조 방법 그리고 내사우어 라인 파이프용 고강도 강판을 이용한 고강도 강관
EP3604592B1 (fr) * 2017-03-30 2022-03-23 JFE Steel Corporation Plaque d'acier haute résistance pour tuyau de canalisation résistant à l'acidité, son procédé de fabrication, et tuyau en acier haute résistance utilisant une plaque d'acier haute résistance pour tuyau de canalisation résistant à l'acidité

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JP6825749B2 (ja) 2021-02-03
WO2020067210A1 (fr) 2020-04-02
CN112752858A (zh) 2021-05-04
KR20210064296A (ko) 2021-06-02
EP3859026A4 (fr) 2021-09-01
EP3859026A1 (fr) 2021-08-04
BR112021005599A2 (pt) 2021-06-29
RU2767261C1 (ru) 2022-03-17
JPWO2020067210A1 (ja) 2021-02-15
CN112752858B (zh) 2022-07-22

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