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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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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Prior art keywords
steel plate
crack resistance
line pipe
preparation
excellent hydrogen
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PCT/KR2011/006373
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English (en)
French (fr)
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WO2012043984A2 (ko
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김규태
이명진
박규협
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현대제철 주식회사
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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

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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 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
    • 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
    • C21D8/10—Modifying the physical properties 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
    • 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 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
KR1020110086685A KR101344638B1 (ko) 2010-09-29 2011-08-29 수소유기균열 저항성이 우수한 라인 파이프용 강판 및 그 제조 방법
KR10-2011-0086685 2011-08-29

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

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PCT/KR2011/006373 WO2012043984A2 (ko) 2010-09-29 2011-08-29 수소유기균열 저항성이 우수한 라인 파이프용 강판 및 그 제조 방법

Country Status (4)

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

Families Citing this family (7)

* 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
CN111094609B (zh) * 2017-09-19 2021-09-14 日本制铁株式会社 钢管和钢板
KR101988771B1 (ko) * 2017-12-22 2019-09-30 주식회사 포스코 수소유기균열 저항성 및 길이방향 강도 균일성이 우수한 강판 및 그 제조방법
JP7460533B2 (ja) * 2018-03-19 2024-04-02 タタ スチール リミテッド 耐水素誘起割れ（ｈｉｃ）性が強化されたｘ－６５グレードのａｐｉ ５ｌ ｐｓｌ－２仕様に適合する鋼組成物及びその鋼の製造方法
EP3872219A4 (en) * 2018-10-26 2021-12-15 Posco HIGH STRENGTH STEEL WITH EXCELLENT RESISTANCE TO SULPHIDE Cracking AND PROCESS FOR ITS MANUFACTURING

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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

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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
US8715430B2 (en) * 2005-04-04 2014-05-06 Nippon Steel & Sumitomo Metal Corporation High strength steel plate and high strength welded pipe excellent in ductile fracture characteristic and methods of production of same
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
WO2012043984A2 (ko) 2012-04-05
KR101344638B1 (ko) 2014-01-16
US20130224063A1 (en) 2013-08-29
EP2623625A2 (en) 2013-08-07
EP2623625A4 (en) 2017-09-27
EP2623625B1 (en) 2018-10-24
KR20120033235A (ko) 2012-04-06

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