WO2012043984A3 - 수소유기균열 저항성이 우수한 라인 파이프용 강판 및 그 제조 방법 - Google Patents

수소유기균열 저항성이 우수한 라인 파이프용 강판 및 그 제조 방법 Download PDF

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Publication number
WO2012043984A3
WO2012043984A3 PCT/KR2011/006373 KR2011006373W WO2012043984A3 WO 2012043984 A3 WO2012043984 A3 WO 2012043984A3 KR 2011006373 W KR2011006373 W KR 2011006373W WO 2012043984 A3 WO2012043984 A3 WO 2012043984A3
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WIPO (PCT)
Prior art keywords
steel plate
crack resistance
line pipe
preparation
excellent hydrogen
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Ceased
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PCT/KR2011/006373
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English (en)
French (fr)
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WO2012043984A2 (ko
Inventor
김규태
이명진
박규협
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Hyundai Steel Co
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Hyundai Steel Co
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Application filed by Hyundai Steel Co filed Critical Hyundai Steel Co
Priority to EP11829490.9A priority Critical patent/EP2623625B1/en
Publication of WO2012043984A2 publication Critical patent/WO2012043984A2/ko
Publication of WO2012043984A3 publication Critical patent/WO2012043984A3/ko
Priority to US13/853,584 priority patent/US20130224063A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • 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
    • 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
    • C22C38/04—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
    • C22C38/12—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
    • C22C38/40—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
    • 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
    • C21D2211/005—Ferrite

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

수소유기균열 저항성이 우수한 항장력 450 MPa 급 라인파이프용 강판 및 그 제조 방법에 대하여 개시한다. 본 발명에 따른 수소유기균열 저항성이 우수한 라인파이프용 강판은 탄소(C) : 0.03 ~ 0.05 중량%, 실리콘(Si) : 0.2 ~ 0.3 중량%, 망간(Mn) : 0.5 ~ 1.3 중량%, 인(P) : 0.010 중량% 이하, 황(S) : 0.005 중량% 이하, 알루미늄(Al) : 0.02 ~ 0.05 중량%, 니켈(Ni) : 0.2 ~ 0.5 중량%, 크롬(Cr) : 0.2 ~ 0.3 중량%, 니오븀(Nb) : 0.03 ~ 0.05 중량%, 바나듐(V) : 0.02 ~ 0.05 중량%, 티타늄(Ti) : 0.01 ~ 0.02 중량%, 칼슘(Ca) : 0.001 ~ 0.004 중량%를 포함하고, 잔부 철(Fe) 및 기타 불가피한 불순물로 이루어지며, 항장력이 450MPa 이상인 것을 특징으로 한다.
PCT/KR2011/006373 2010-09-29 2011-08-29 수소유기균열 저항성이 우수한 라인 파이프용 강판 및 그 제조 방법 Ceased WO2012043984A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11829490.9A EP2623625B1 (en) 2010-09-29 2011-08-29 Steel plate for pipe line, having excellent hydrogen induced crack resistance, and preparation method thereof
US13/853,584 US20130224063A1 (en) 2010-09-29 2013-03-29 Steel plate for pipeline, having excellent hydrogen induced crack resistance, and preparation method thereof

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2010-0094599 2010-09-29
KR20100094599 2010-09-29
KR10-2011-0086685 2011-08-29
KR1020110086685A KR101344638B1 (ko) 2010-09-29 2011-08-29 수소유기균열 저항성이 우수한 라인 파이프용 강판 및 그 제조 방법

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/853,584 Continuation US20130224063A1 (en) 2010-09-29 2013-03-29 Steel plate for pipeline, having excellent hydrogen induced crack resistance, and preparation method thereof

Publications (2)

Publication Number Publication Date
WO2012043984A2 WO2012043984A2 (ko) 2012-04-05
WO2012043984A3 true WO2012043984A3 (ko) 2012-05-24

Family

ID=46136105

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/006373 Ceased WO2012043984A2 (ko) 2010-09-29 2011-08-29 수소유기균열 저항성이 우수한 라인 파이프용 강판 및 그 제조 방법

Country Status (4)

Country Link
US (1) US20130224063A1 (ko)
EP (1) EP2623625B1 (ko)
KR (1) KR101344638B1 (ko)
WO (1) WO2012043984A2 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6086086B2 (ja) * 2014-03-19 2017-03-01 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
KR101736638B1 (ko) * 2015-12-23 2017-05-30 주식회사 포스코 수소유기 균열 (hic) 저항성이 우수한 압력용기용 강재 및 그 제조방법
KR101867701B1 (ko) * 2016-11-11 2018-06-15 주식회사 포스코 수소유기균열 저항성이 우수한 압력용기용 강재 및 그 제조방법
EP3686303B1 (en) * 2017-09-19 2021-12-29 Nippon Steel Corporation Steel pipe and steel plate
KR101988771B1 (ko) * 2017-12-22 2019-09-30 주식회사 포스코 수소유기균열 저항성 및 길이방향 강도 균일성이 우수한 강판 및 그 제조방법
CA3094517C (en) * 2018-03-19 2022-08-30 Tata Steel Limited A steel composition in accordance with api 5l psl-2 specification for x-65 grade having enhanced hydrogen induced cracking (hic) resistance, and method of manufacturing the steel thereof
US12037667B2 (en) 2018-10-26 2024-07-16 Posco Co., Ltd High-strength steel having excellent resistance to sulfide stress cracking, and method for manufacturing same
CN116426826B (zh) * 2023-04-17 2025-03-21 承德建龙特殊钢有限公司 一种油气输送管线钢及其制备方法
CN116676538A (zh) * 2023-05-04 2023-09-01 首钢集团有限公司 一种掺氢天然气管道用钢及其制备方法
JPWO2025197700A1 (ko) * 2024-03-18 2025-09-25

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11279639A (ja) * 1998-03-30 1999-10-12 Nkk Corp 耐ｈｉｃ性に優れた高強度ラインパイプ用鋼板の製造方法
KR20070098678A (ko) * 2006-03-31 2007-10-05 가부시키가이샤 고베 세이코쇼 내진성이 우수한 프레스 벤딩 냉간성형 원형 강관의제조방법
KR20080042495A (ko) * 2006-11-10 2008-05-15 주식회사 포스코 내수소유기균열성이 우수한 고강도 열간곡관 및 그제조방법
KR20090103802A (ko) * 2008-03-27 2009-10-01 가부시키가이샤 고베 세이코쇼 내진성이 우수한 건축 구조용 590㎫급 고항복비 원형 강관 및 그 제조 방법

Family Cites Families (4)

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JPH05195057A (ja) * 1991-07-31 1993-08-03 Kawasaki Steel Corp Ｌ方向ＹＳ特性の優れた高Ｃｒ鋼系ＵＯＥ鋼板および 高Ｃｒ系耐候性鋼板の製造方法
KR100627461B1 (ko) 1999-12-28 2006-09-22 주식회사 포스코 고강도 라인파이프용 열연강판의 제조방법
JP5068645B2 (ja) * 2005-04-04 2012-11-07 新日本製鐵株式会社 延性破壊特性に優れた高強度鋼板及び高強度溶接鋼管並びにそれらの製造方法
US20090301613A1 (en) * 2007-08-30 2009-12-10 Jayoung Koo Low Yield Ratio Dual Phase Steel Linepipe with Superior Strain Aging Resistance

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11279639A (ja) * 1998-03-30 1999-10-12 Nkk Corp 耐ｈｉｃ性に優れた高強度ラインパイプ用鋼板の製造方法
KR20070098678A (ko) * 2006-03-31 2007-10-05 가부시키가이샤 고베 세이코쇼 내진성이 우수한 프레스 벤딩 냉간성형 원형 강관의제조방법
KR20080042495A (ko) * 2006-11-10 2008-05-15 주식회사 포스코 내수소유기균열성이 우수한 고강도 열간곡관 및 그제조방법
KR20090103802A (ko) * 2008-03-27 2009-10-01 가부시키가이샤 고베 세이코쇼 내진성이 우수한 건축 구조용 590㎫급 고항복비 원형 강관 및 그 제조 방법

Also Published As

Publication number Publication date
KR20120033235A (ko) 2012-04-06
WO2012043984A2 (ko) 2012-04-05
EP2623625A4 (en) 2017-09-27
EP2623625B1 (en) 2018-10-24
KR101344638B1 (ko) 2014-01-16
US20130224063A1 (en) 2013-08-29
EP2623625A2 (en) 2013-08-07

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