AU2023352016A1 - Steel pipe for line pipe with high hydrogen embrittlement resistance and method for producing the same, and steel material for line pipe and method for producing the same - Google Patents

Steel pipe for line pipe with high hydrogen embrittlement resistance and method for producing the same, and steel material for line pipe and method for producing the same Download PDF

Info

Publication number
AU2023352016A1
AU2023352016A1 AU2023352016A AU2023352016A AU2023352016A1 AU 2023352016 A1 AU2023352016 A1 AU 2023352016A1 AU 2023352016 A AU2023352016 A AU 2023352016A AU 2023352016 A AU2023352016 A AU 2023352016A AU 2023352016 A1 AU2023352016 A1 AU 2023352016A1
Authority
AU
Australia
Prior art keywords
less
steel
temperature
steel pipe
steel material
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
AU2023352016A
Other languages
English (en)
Inventor
Naho Inoue
Yoshihiro Nishihara
Hiroshi Okano
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.)
JFE Steel Corp
Original Assignee
JFE 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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of AU2023352016A1 publication Critical patent/AU2023352016A1/en
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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • 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
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • 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
    • 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
    • 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
    • C21D8/0247—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 heat treatment
    • C21D8/0263—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 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • 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
    • C21D9/085—Cooling or quenching
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/40—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
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • C21D2211/001—Austenite
    • 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)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
AU2023352016A 2022-09-29 2023-09-28 Steel pipe for line pipe with high hydrogen embrittlement resistance and method for producing the same, and steel material for line pipe and method for producing the same Pending AU2023352016A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022157170 2022-09-29
JP2022-157170 2022-09-29
PCT/JP2023/035554 WO2024071352A1 (ja) 2022-09-29 2023-09-28 耐水素脆化特性に優れたラインパイプ用鋼管、その製造方法、ラインパイプ用鋼材およびその製造方法

Publications (1)

Publication Number Publication Date
AU2023352016A1 true AU2023352016A1 (en) 2025-02-27

Family

ID=90478072

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2023352016A Pending AU2023352016A1 (en) 2022-09-29 2023-09-28 Steel pipe for line pipe with high hydrogen embrittlement resistance and method for producing the same, and steel material for line pipe and method for producing the same

Country Status (7)

Country Link
EP (1) EP4578564A4 (https=)
JP (1) JP7754273B2 (https=)
KR (1) KR20250050976A (https=)
CN (1) CN119923487A (https=)
AU (1) AU2023352016A1 (https=)
CL (1) CL2025000873A1 (https=)
WO (1) WO2024071352A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7777745B1 (ja) * 2024-03-22 2025-12-01 Ｊｆｅスチール株式会社 鋼材および鋼材の製造方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005002386A (ja) 2003-06-10 2005-01-06 Sumitomo Metal Ind Ltd 高圧水素環境用鋼、鋼管およびその製造方法
JP5094272B2 (ja) 2007-08-21 2012-12-12 株式会社日本製鋼所 耐高圧水素環境脆化特性に優れた低合金高強度鋼およびその製造方法
JP4251229B1 (ja) 2007-09-19 2009-04-08 住友金属工業株式会社 高圧水素ガス環境用低合金鋼および高圧水素用容器
JP5201625B2 (ja) 2008-05-13 2013-06-05 株式会社日本製鋼所 耐高圧水素環境脆化特性に優れた高強度低合金鋼およびその製造方法
JP5353501B2 (ja) 2008-07-09 2013-11-27 新日鐵住金株式会社 耐水素性に優れた常温高圧水素ガス貯蔵鋼製容器およびその製造方法
JP5278188B2 (ja) * 2009-06-19 2013-09-04 新日鐵住金株式会社 耐水素誘起割れ性および脆性亀裂伝播停止特性に優れた厚鋼板
JP5849609B2 (ja) 2010-10-28 2016-01-27 Ｊｆｅスチール株式会社 高圧水素貯蔵用鋼材
JP5531937B2 (ja) * 2010-12-09 2014-06-25 新日鐵住金株式会社 耐水素誘起割れ性、脆性亀裂伝播停止特性および耐食性に優れた厚鋼板
WO2015129199A1 (ja) * 2014-02-27 2015-09-03 Ｊｆｅスチール株式会社 高強度熱延鋼板およびその製造方法
JP6222041B2 (ja) * 2014-10-30 2017-11-01 Ｊｆｅスチール株式会社 耐ｈｉｃ性能に優れた極厚鋼板およびその製造方法
BR112018012400B1 (pt) 2015-12-22 2020-02-18 Jfe Steel Corporation Tubo de aço inoxidável sem costura de alta resistência para poços de petróleo e método de fabricação do mesmo
JP6859835B2 (ja) * 2017-05-01 2021-04-14 日本製鉄株式会社 鋼材及び油井用継目無鋼管
KR102027871B1 (ko) * 2017-10-03 2019-10-04 닛폰세이테츠 가부시키가이샤 강판 및 강판의 제조 방법
EP3904541B1 (en) 2018-12-26 2026-04-29 JFE Steel Corporation Steel for high pressure hydrogen gas environments, steel structure for high pressure hydrogen gas environments, and method for producing steel for high pressure hydrogen gas environments
EP3925714A4 (en) * 2019-02-13 2023-06-14 Nippon Steel Corporation STEEL PIPE FOR A FUEL INJECTION LINE AND FUEL INJECTION LINE WITH THEM
WO2020166637A1 (ja) * 2019-02-13 2020-08-20 日本製鉄株式会社 燃料噴射管用鋼管およびそれを用いた燃料噴射管
WO2022209896A1 (ja) * 2021-03-30 2022-10-06 Ｊｆｅスチール株式会社 高圧水素用鋼管、高圧水素用容器および前記鋼管の製造方法

Also Published As

Publication number Publication date
KR20250050976A (ko) 2025-04-15
WO2024071352A1 (ja) 2024-04-04
CL2025000873A1 (es) 2025-08-01
CN119923487A (zh) 2025-05-02
EP4578564A4 (en) 2026-02-25
JPWO2024071352A1 (https=) 2024-04-04
EP4578564A1 (en) 2025-07-02
JP7754273B2 (ja) 2025-10-15

Similar Documents

Publication Publication Date Title
RU2493284C2 (ru) Толстостенный высокопрочный горячекатаный стальной лист с превосходной низкотемпературной ударной вязкостью и способ его получения
EP3604584B1 (en) High-strength steel plate for sour resistant line pipe, method for manufacturing same, and high-strength steel pipe using high-strength steel plate for sour resistant line pipe
CN111094610B9 (zh) 钢管和钢板
CN106133175B (zh) 耐应变时效特性和耐hic特性优良的高变形能力管线管用钢材及其制造方法以及焊接钢管
CA3007073C (en) High-strength hot-rolled steel sheet for electric resistance welded steel pipe and manufacturing method therefor
RU2682728C2 (ru) Высокопрочная, толстостенная, бесшовная труба из нержавеющей стали и способ изготовления такой трубы
KR20110110278A (ko) 내 ｈｉｃ 성이 우수한 후육 고장력 열연강판 및 그 제조 방법
EP3859027B1 (en) High strength steel plate for sour-resistant line pipe and method for manufacturing same, and high strength steel pipe using high strength steel plate for sour-resistant line pipe
JP2004359973A (ja) 耐遅れ破壊特性に優れた高強度鋼板及びその製造方法
CN106164314B (zh) 耐应变时效特性和耐hic特性优良的高变形能力管线管用钢材及其制造方法以及焊接钢管
AU2023352246A1 (en) Steel material for line pipe with high hydrogen embrittlement resistance and method for producing the same, and steel pipe for line pipe with high hydrogen embrittlement resistance and method for producing the same
CN115298340B (zh) 耐酸管线用高强度钢板及其制造方法以及使用耐酸管线用高强度钢板的高强度钢管
AU2023352016A1 (en) Steel pipe for line pipe with high hydrogen embrittlement resistance and method for producing the same, and steel material for line pipe and method for producing the same
JP7777745B1 (ja) 鋼材および鋼材の製造方法
JP7831570B2 (ja) 鋼管の製造方法および鋼材の製造方法
AU2023352247A1 (en) Steel material for line pipe and method for producing the same, and steel pipe for line pipe and method for producing the same
JP2004143499A (ja) 耐座屈特性に優れた高強度鋼管およびその製造方法
JP7838631B2 (ja) 水素中破壊靭性に優れた高強度ラインパイプ用鋼材、その製造方法、高強度ラインパイプ用鋼管およびその製造方法
Wang et al. Microstructure evolution and kinetic analysis of low carbon micro-alloyed high-strength steels in recrystallization process

Legal Events

Date Code Title Description
DA3 Amendments made section 104

Free format text: THE NATURE OF THE AMENDMENT IS: AMEND THE INVENTION TITLE TO READ STEEL PIPE FOR LINE PIPE WITH HIGH HYDROGEN EMBRITTLEMENT RESISTANCE AND METHOD FOR PRODUCING THE SAME, AND STEEL MATERIAL FOR LINE PIPE AND METHOD FOR PRODUCING THE SAME