EP4050118A4 - Plaque d'acier pour récipient sous pression ayant une excellente résistance à un traitement thermique post-soudage à haute température, et son procédé de fabrication - Google Patents

Plaque d'acier pour récipient sous pression ayant une excellente résistance à un traitement thermique post-soudage à haute température, et son procédé de fabrication Download PDF

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Publication number
EP4050118A4
EP4050118A4 EP20878789.5A EP20878789A EP4050118A4 EP 4050118 A4 EP4050118 A4 EP 4050118A4 EP 20878789 A EP20878789 A EP 20878789A EP 4050118 A4 EP4050118 A4 EP 4050118A4
Authority
EP
European Patent Office
Prior art keywords
heat treatment
steel plate
pressure vessel
excellent resistance
manufacturing same
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.)
Pending
Application number
EP20878789.5A
Other languages
German (de)
English (en)
Other versions
EP4050118A1 (fr
Inventor
Soon-Taik Hong
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.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP4050118A1 publication Critical patent/EP4050118A1/fr
Publication of EP4050118A4 publication Critical patent/EP4050118A4/fr
Pending legal-status Critical Current

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
    • 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
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/22—Martempering
    • 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
    • C21D1/26—Methods of annealing
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material
    • 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
    • C21D6/02—Hardening by precipitation
    • 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
    • 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
    • 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
    • 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
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • 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
    • 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
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • 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
    • C22C38/24—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
    • 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
    • C21D2211/008—Martensite

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)
  • Heat Treatment Of Articles (AREA)
EP20878789.5A 2019-10-22 2020-10-20 Plaque d'acier pour récipient sous pression ayant une excellente résistance à un traitement thermique post-soudage à haute température, et son procédé de fabrication Pending EP4050118A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190131598A KR102280641B1 (ko) 2019-10-22 2019-10-22 고온 용접후열처리 저항성이 우수한 압력용기용 강판 및 그 제조방법
PCT/KR2020/014343 WO2021080291A1 (fr) 2019-10-22 2020-10-20 Plaque d'acier pour récipient sous pression ayant une excellente résistance à un traitement thermique post-soudage à haute température, et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP4050118A1 EP4050118A1 (fr) 2022-08-31
EP4050118A4 true EP4050118A4 (fr) 2024-04-03

Family

ID=75619473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20878789.5A Pending EP4050118A4 (fr) 2019-10-22 2020-10-20 Plaque d'acier pour récipient sous pression ayant une excellente résistance à un traitement thermique post-soudage à haute température, et son procédé de fabrication

Country Status (6)

Country Link
US (1) US20240102137A1 (fr)
EP (1) EP4050118A4 (fr)
JP (1) JP7398559B2 (fr)
KR (1) KR102280641B1 (fr)
CN (1) CN114585760B (fr)
WO (1) WO2021080291A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1189347A (en) * 1966-06-28 1970-04-22 Nippon Kokan Kk High-Temperature Alloy Steel
JPS61130457A (ja) * 1984-11-28 1986-06-18 Kobe Steel Ltd 圧力容器用Ｃｒ−Ｍｏ鋼
US4855106A (en) * 1984-02-29 1989-08-08 Kabushiki Kaisha Kobe Seiko Sho Low alloy steels for use in pressure vessel
JPH01319629A (ja) * 1988-06-20 1989-12-25 Nippon Steel Corp 靭性の優れたＣｒ−Ｍｏ鋼板の製造方法
KR20120073448A (ko) * 2010-12-27 2012-07-05 주식회사 포스코 강도 및 저온 인성이 우수한 후판강재 및 그 제조방법
KR20150074952A (ko) * 2013-12-24 2015-07-02 주식회사 포스코 소려 취화 저항성이 우수한 압력용기용 강판 및 그 제조 방법

Family Cites Families (18)

* Cited by examiner, † Cited by third party
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JPS6013409B2 (ja) * 1979-07-25 1985-04-06 川崎製鉄株式会社 圧力容器用クロム・モリブデン鋼の製造方法
JP3015923B2 (ja) * 1991-06-04 2000-03-06 新日本製鐵株式会社 強靱鋼の製造方法
JPH05339629A (ja) * 1992-06-11 1993-12-21 Kawasaki Steel Corp 強度と靱性に優れたＣｒ−Ｍｏ鋼の製造方法
JP2005179720A (ja) 2003-12-18 2005-07-07 Nippon Steel Corp 天然ガス焚きボイラー排ガス環境での耐食性および機械的特性に優れた溶接構造用鋼板および溶接継手
JP4696570B2 (ja) * 2005-01-26 2011-06-08 Ｊｆｅスチール株式会社 耐水素脆性特性に優れた高張力鋼材の製造方法
AU2008211941B2 (en) * 2007-01-31 2011-06-02 Jfe Steel Corporation High tensile strength steel having favorable delayed fracture resistance and method for manufacturing the same
JP5277648B2 (ja) * 2007-01-31 2013-08-28 Ｊｆｅスチール株式会社 耐遅れ破壊特性に優れた高張力鋼板並びにその製造方法
CN101613840B (zh) * 2008-06-23 2011-03-30 宝山钢铁股份有限公司 强韧性匹配及高温性能优良的特厚钢板及其制造方法
KR101094310B1 (ko) * 2008-09-18 2011-12-19 한국기계연구원 저온인성이 우수한 용접성 초고강도강 및 그 제조방법
KR101322067B1 (ko) * 2009-12-28 2013-10-25 주식회사 포스코 용접 후 열처리 저항성이 우수한 고강도 강판 및 그 제조방법
CN102277540B (zh) * 2010-06-10 2013-11-20 宝山钢铁股份有限公司 抗高温pwht软化的正火型钢板及其制造方法
CN104109801B (zh) * 2014-07-30 2016-04-27 宝山钢铁股份有限公司 高韧性、抗pwht软化脆化的钢板及其制造方法
KR101657828B1 (ko) * 2014-12-24 2016-10-04 주식회사 포스코 Ｐｗｈｔ 후 인성이 우수한 고강도 압력용기용 강재 및 그 제조방법
KR101778398B1 (ko) * 2015-12-17 2017-09-14 주식회사 포스코 용접 후 열처리 저항성이 우수한 압력용기 강판 및 그 제조방법
KR101758497B1 (ko) * 2015-12-22 2017-07-27 주식회사 포스코 Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법
KR101917444B1 (ko) * 2016-12-20 2018-11-09 주식회사 포스코 고온 템퍼링 열처리 및 용접 후 열처리 저항성이 우수한 압력용기용 강재 및 이의 제조방법
KR101998991B1 (ko) * 2017-12-15 2019-07-10 주식회사 포스코 인장강도 및 저온충격인성이 우수한 압력용기용 강판 및 그 제조방법
KR101978074B1 (ko) * 2017-12-22 2019-05-13 현대제철 주식회사 고강도 강재 및 그 제조방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1189347A (en) * 1966-06-28 1970-04-22 Nippon Kokan Kk High-Temperature Alloy Steel
US4855106A (en) * 1984-02-29 1989-08-08 Kabushiki Kaisha Kobe Seiko Sho Low alloy steels for use in pressure vessel
JPS61130457A (ja) * 1984-11-28 1986-06-18 Kobe Steel Ltd 圧力容器用Ｃｒ−Ｍｏ鋼
JPH01319629A (ja) * 1988-06-20 1989-12-25 Nippon Steel Corp 靭性の優れたＣｒ−Ｍｏ鋼板の製造方法
KR20120073448A (ko) * 2010-12-27 2012-07-05 주식회사 포스코 강도 및 저온 인성이 우수한 후판강재 및 그 제조방법
KR20150074952A (ko) * 2013-12-24 2015-07-02 주식회사 포스코 소려 취화 저항성이 우수한 압력용기용 강판 및 그 제조 방법

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021080291A1 *

Also Published As

Publication number Publication date
KR20210047698A (ko) 2021-04-30
JP7398559B2 (ja) 2023-12-14
US20240102137A1 (en) 2024-03-28
CN114585760A (zh) 2022-06-03
EP4050118A1 (fr) 2022-08-31
KR102280641B1 (ko) 2021-07-22
JP2022553704A (ja) 2022-12-26
WO2021080291A1 (fr) 2021-04-29
CN114585760B (zh) 2023-07-28

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