EP3859027A4 - HIGH STRENGTH STEEL SHEET FOR ACIDITY RESISTANT PIPING PIPE, ITS PRODUCTION PROCESS, AND HIGH STRENGTH STEEL PIPE USING HIGH STRENGTH STEEL SHEET FOR ACIDITY RESISTANT PIPING PIPE - Google Patents

HIGH STRENGTH STEEL SHEET FOR ACIDITY RESISTANT PIPING PIPE, ITS PRODUCTION PROCESS, AND HIGH STRENGTH STEEL PIPE USING HIGH STRENGTH STEEL SHEET FOR ACIDITY RESISTANT PIPING PIPE Download PDF

Info

Publication number: EP3859027A4
Authority: EP; European Patent Office
Prior art keywords: high strength; strength steel; acidity; pipe; steel sheet
Prior art date: 2018-09-28
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

EP19865764.5A

Other languages

German (de)

French (fr)

Other versions

EP3859027B1 (en

EP3859027A1 (en

Inventor

Junji Shimamura

Tomoyuki Yokota

Satoshi Ueoka

Nobuyuki Ishikawa

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.)

2018-09-28

Filing date

2019-09-25

Publication date

2021-09-08

2019-09-25 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2021-08-04 Publication of EP3859027A1 publication Critical patent/EP3859027A1/en

2021-09-08 Publication of EP3859027A4 publication Critical patent/EP3859027A4/en

2023-08-02 Application granted granted Critical

2023-08-02 Publication of EP3859027B1 publication Critical patent/EP3859027B1/en

Status Active legal-status Critical Current

2039-09-25 Anticipated expiration legal-status Critical

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
- C22C38/04—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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
- 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 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
- 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
- C22C38/02—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
- C22C38/06—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
- C22C38/18—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

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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)

EP19865764.5A 2018-09-28 2019-09-25 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 Active EP3859027B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2018185783		2018-09-28
PCT/JP2019/037697 WO2020067209A1 (en)	2018-09-28	2019-09-25	High-strength steel sheet for sour-resistant line pipe, method for producing same, and high-strength steel pipe using high-strength steel sheet for sour-resistant line pipe

Publications (3)

Publication Number	Publication Date
EP3859027A1 EP3859027A1 (en)	2021-08-04
EP3859027A4 true EP3859027A4 (en)	2021-09-08
EP3859027B1 EP3859027B1 (en)	2023-08-02

Family

ID=69952915

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19865764.5A Active EP3859027B1 (en)	2018-09-28	2019-09-25	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

Country Status (6)

Country	Link
EP (1)	EP3859027B1 (en)
JP (1)	JP6825748B2 (en)
KR (1)	KR102497360B1 (en)
CN (1)	CN112752857B (en)
RU (1)	RU2767260C1 (en)
WO (1)	WO2020067209A1 (en)

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* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR20240124991A (en) *	2022-02-24	2024-08-19	제이에프이 스틸 가부시키가이샤	Steel sheet and its manufacturing method
WO2023233734A1 (en) *	2022-06-03	2023-12-07	Ｊｆｅスチール株式会社	High-strength steel sheet for sour gas equipment, and high-strength steel pipe using same
CN119053719A (en) *	2022-06-03	2024-11-29	杰富意钢铁株式会社	High-strength steel sheet for acid gas plant and high-strength steel pipe using same
WO2023248638A1 (en) *	2022-06-21	2023-12-28	Ｊｆｅスチール株式会社	High-strength steel sheet for sour-resistant line pipe and method for manufacturing same, and high-strength steel pipe using high-strength steel sheet for sour-resistant line pipe
EP4502220A4 (en) *	2022-06-21	2026-03-18	Jfe Steel Corp	HIGH-STRENGTH STEEL SHEET FOR ACID-RESISTANT PIPELINE AND METHOD FOR MANUFACTURING THEM, AS WELL AS HIGH-STRENGTH STEEL SHEET WITH HIGH-STRENGTH STEEL SHEET FOR ACID-RESISTANT PIPELINE
JP7424550B1 (en) *	2022-07-14	2024-01-30	Ｊｆｅスチール株式会社	High-strength steel plate for hydrogen transport steel pipes, manufacturing method thereof, and steel pipes for hydrogen transport
EP4675003A1 (en)	2023-05-17	2026-01-07	JFE Steel Corporation	Steel pipe and method for manufacturing same

Citations (3)

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JP2012077331A (en) *	2010-09-30	2012-04-19	Jfe Steel Corp	High strength steel sheet for sour-resistant line pipe and method for producing the same, and high strength steel pipe using high strength steel sheet for sour-resistant line pipe
JP2013139630A (en) *	2011-12-09	2013-07-18	Jfe Steel Corp	High strength steel sheet for sour-resistant line pipe excellent in material uniformity in the steel sheet and method for producing the same
EP3604584A1 (en) *	2017-03-30	2020-02-05	JFE Steel Corporation	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

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JP5605526B2 (en) *	2012-09-13	2014-10-15	Ｊｆｅスチール株式会社	Hot-rolled steel sheet and manufacturing method thereof
US20150368737A1 (en) *	2013-01-24	2015-12-24	Jfe Steel Corporation	Hot-rolled steel sheet for high strength linepipe having tensile strength of 540 mpa or more
KR20190129097A (en) *	2017-03-30	2019-11-19	제이에프이 스틸 가부시키가이샤	High strength steel sheet for internal sour line pipe, manufacturing method thereof and high strength steel pipe using high strength steel sheet for internal sour line pipe

2019
- 2019-09-25 EP EP19865764.5A patent/EP3859027B1/en active Active
- 2019-09-25 KR KR1020217009144A patent/KR102497360B1/en active Active
- 2019-09-25 JP JP2020524424A patent/JP6825748B2/en active Active
- 2019-09-25 RU RU2021112070A patent/RU2767260C1/en active
- 2019-09-25 WO PCT/JP2019/037697 patent/WO2020067209A1/en not_active Ceased
- 2019-09-25 CN CN201980063039.9A patent/CN112752857B/en active Active

Patent Citations (3)

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JP2012077331A (en) *	2010-09-30	2012-04-19	Jfe Steel Corp	High strength steel sheet for sour-resistant line pipe and method for producing the same, and high strength steel pipe using high strength steel sheet for sour-resistant line pipe
JP2013139630A (en) *	2011-12-09	2013-07-18	Jfe Steel Corp	High strength steel sheet for sour-resistant line pipe excellent in material uniformity in the steel sheet and method for producing the same
EP3604584A1 (en) *	2017-03-30	2020-02-05	JFE Steel Corporation	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

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Title
See also references of WO2020067209A1 *

Also Published As

Publication number	Publication date
CN112752857A (en)	2021-05-04
RU2767260C1 (en)	2022-03-17
JP6825748B2 (en)	2021-02-03
KR20210050548A (en)	2021-05-07
EP3859027B1 (en)	2023-08-02
JPWO2020067209A1 (en)	2021-02-15
BR112021005768A2 (en)	2021-06-29
KR102497360B1 (en)	2023-02-08
CN112752857B (en)	2022-06-03
WO2020067209A1 (en)	2020-04-02
EP3859027A1 (en)	2021-08-04

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