EP3674433A4 - HIGH-STRENGTH STEEL SHEET FOR SUCTION-RESISTANT LINE PIPES AND HIGH-STRENGTH STEEL PIPE THEREFOR - Google Patents

HIGH-STRENGTH STEEL SHEET FOR SUCTION-RESISTANT LINE PIPES AND HIGH-STRENGTH STEEL PIPE THEREFOR Download PDF

Info

Publication number: EP3674433A4
Authority: EP; European Patent Office
Prior art keywords: strength steel; suction; line pipes; steel sheet; resistant line
Prior art date: 2017-10-19
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

EP17929314.7A

Other languages

German (de)

French (fr)

Other versions

EP3674433A1 (en

EP3674433B1 (en

Inventor

Junji Shimamura

Tomoyuki Yokota

Shinichi Izumikawa

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.)

2017-10-19

Filing date

2017-10-19

Publication date

2020-07-29

2017-10-19 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2020-07-01 Publication of EP3674433A1 publication Critical patent/EP3674433A1/en

2020-07-29 Publication of EP3674433A4 publication Critical patent/EP3674433A4/en

2025-01-29 Application granted granted Critical

2025-01-29 Publication of EP3674433B1 publication Critical patent/EP3674433B1/en

Status Active legal-status Critical Current

2037-10-19 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
- 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
- C22C38/06—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
- 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
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese

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)

EP17929314.7A 2017-10-19 2017-10-19 High-strength steel plate for sour-resistant line pipes and high-strength steel pipe using same Active EP3674433B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2017/037891 WO2019077725A1 (en)	2017-10-19	2017-10-19	High-strength steel sheet for sour-resistant line pipe, and high-strength steel pipe using same

Publications (3)

Publication Number	Publication Date
EP3674433A1 EP3674433A1 (en)	2020-07-01
EP3674433A4 true EP3674433A4 (en)	2020-07-29
EP3674433B1 EP3674433B1 (en)	2025-01-29

Family

ID=66174107

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17929314.7A Active EP3674433B1 (en)	2017-10-19	2017-10-19	High-strength steel plate for sour-resistant line pipes and high-strength steel pipe using same

Country Status (6)

Country	Link
EP (1)	EP3674433B1 (en)
JP (1)	JP6798565B2 (en)
KR (1)	KR102497363B1 (en)
CN (1)	CN111247261A (en)
BR (1)	BR112020007057B1 (en)
WO (1)	WO2019077725A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN113151737B (en) *	2021-02-25	2022-06-07	江阴兴澄特种钢铁有限公司	08Ni3DR steel plate with hydrogen induced cracking resistance and manufacturing method thereof
JP7670004B2 (en) *	2022-08-04	2025-04-30	Ｊｆｅスチール株式会社	40kg class non-tempered thick steel plate, welded steel pipe and their manufacturing method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2011030768A1 (en) *	2009-09-09	2011-03-17	新日本製鐵株式会社	Steel sheet for high-strength line pipe having excellent low-temperature toughness, and steel pipe for high-strength line pipe
JP2013124398A (en) *	2011-12-15	2013-06-24	Jfe Steel Corp	Steel sheet for high strength sour resistant line pipe, and material therefor
JP2013145221A (en) *	2011-12-13	2013-07-25	Jfe Steel Corp	Steel material having low risk of hic crack and central segregation part evaluation method thereof
EP2980238A1 (en) *	2013-03-29	2016-02-03	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)	Steel plate with excellent hydrogen-induced cracking resistance and toughness, and line pipe steel tube

Family Cites Families (18)

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Publication number	Priority date	Publication date	Assignee	Title
JP2647302B2 (en)	1992-03-30	1997-08-27	新日本製鐵株式会社	Method for producing high-strength steel sheet with excellent resistance to hydrogen-induced cracking
JPH07136752A (en) *	1993-11-18	1995-05-30	Nippon Steel Corp	Method and apparatus for secondary cooling of slab in continuous casting
JPH07173536A (en)	1993-12-16	1995-07-11	Nippon Steel Corp	Manufacturing method of steel plate for high strength line pipe with excellent sour resistance
JPH0957327A (en)	1995-08-22	1997-03-04	Sumitomo Metal Ind Ltd	Thick steel plate scale removal method
JP3796133B2 (en)	2000-04-18	2006-07-12	新日本製鐵株式会社	Thick steel plate cooling method and apparatus
JP2002327212A (en)	2001-02-28	2002-11-15	Nkk Corp	Manufacturing method of steel plate for sour resistant line pipe
JP3711896B2 (en)	2001-06-26	2005-11-02	Ｊｆｅスチール株式会社	Manufacturing method of steel sheets for high-strength line pipes
JP2003313638A (en) *	2002-04-22	2003-11-06	Jfe Steel Kk	High strength steel sheet excellent in HIC resistance and method for producing the same
JP5634662B2 (en) *	2008-02-07	2014-12-03	Ｊｆｅスチール株式会社	Accelerated cooling type thin wall steel plate with excellent homogeneity
KR101224955B1 (en) *	2010-08-30	2013-01-22	현대제철 주식회사	Device for controlling cooling of strand and method therefor
JP5672916B2 (en) *	2010-09-30	2015-02-18	Ｊｆｅスチール株式会社	High-strength steel sheet for sour line pipes, method for producing the same, and high-strength steel pipe using high-strength steel sheets for sour line pipes
JP5192074B2 (en) *	2010-12-20	2013-05-08	Ｔｈｋ株式会社	Seal member and linear motion guide apparatus using the same
JP5900303B2 (en) *	2011-12-09	2016-04-06	Ｊｆｅスチール株式会社	High-strength steel sheet for sour-resistant pipes with excellent material uniformity in the steel sheet and its manufacturing method
JP2014077642A (en) *	2012-10-09	2014-05-01	Jfe Steel Corp	Estimation method of hic sensitivity of steel material and manufacturing method of high strength thick steel plate for line pipe superior in anti hic performance using the same
EP3015562B1 (en) *	2013-06-27	2018-08-01	JFE Steel Corporation	Hot-rolled high-strength steel sheet and process for production thereof
JP6115735B2 (en) *	2014-07-25	2017-04-19	Ｊｆｅスチール株式会社	Steel continuous casting method
KR20160147153A (en) *	2015-06-12	2016-12-22	동국제강주식회사	Manufacturing method of high strength steel plate for line pipe and high strength steel plate for line pipe
JP6641875B2 (en) *	2015-10-21	2020-02-05	日本製鉄株式会社	Low yield ratio steel sheet and method of manufacturing the same

2017
- 2017-10-19 JP JP2018564993A patent/JP6798565B2/en active Active
- 2017-10-19 BR BR112020007057-2A patent/BR112020007057B1/en active IP Right Grant
- 2017-10-19 CN CN201780095998.XA patent/CN111247261A/en active Pending
- 2017-10-19 WO PCT/JP2017/037891 patent/WO2019077725A1/en not_active Ceased
- 2017-10-19 EP EP17929314.7A patent/EP3674433B1/en active Active
- 2017-10-19 KR KR1020207011797A patent/KR102497363B1/en active Active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2011030768A1 (en) *	2009-09-09	2011-03-17	新日本製鐵株式会社	Steel sheet for high-strength line pipe having excellent low-temperature toughness, and steel pipe for high-strength line pipe
JP2013145221A (en) *	2011-12-13	2013-07-25	Jfe Steel Corp	Steel material having low risk of hic crack and central segregation part evaluation method thereof
JP2013124398A (en) *	2011-12-15	2013-06-24	Jfe Steel Corp	Steel sheet for high strength sour resistant line pipe, and material therefor
EP2980238A1 (en) *	2013-03-29	2016-02-03	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)	Steel plate with excellent hydrogen-induced cracking resistance and toughness, and line pipe steel tube

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019077725A1 *

Also Published As

Publication number	Publication date
CN111247261A (en)	2020-06-05
BR112020007057A2 (en)	2020-10-06
JP6798565B2 (en)	2020-12-09
EP3674433A1 (en)	2020-07-01
BR112020007057B1 (en)	2022-07-12
KR102497363B1 (en)	2023-02-08
KR20200058490A (en)	2020-05-27
JPWO2019077725A1 (en)	2019-11-14
EP3674433B1 (en)	2025-01-29
WO2019077725A1 (en)	2019-04-25

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