JP3863878B2 - 溶接熱影響部の靭性が優れた溶接構造用鋼材、その製造方法及びこれを用いた溶接構造物 - Google Patents

溶接熱影響部の靭性が優れた溶接構造用鋼材、その製造方法及びこれを用いた溶接構造物 Download PDF

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Publication number
JP3863878B2
JP3863878B2 JP2003544233A JP2003544233A JP3863878B2 JP 3863878 B2 JP3863878 B2 JP 3863878B2 JP 2003544233 A JP2003544233 A JP 2003544233A JP 2003544233 A JP2003544233 A JP 2003544233A JP 3863878 B2 JP3863878 B2 JP 3863878B2
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affected zone
steel
toughness
less
slab
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Expired - Fee Related
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JP2003544233A
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Japanese (ja)
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JP2005509740A5 (https=
JP2005509740A (ja
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ホン チュル ジェオン
ハエ チャン チョイ
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Posco Holdings Inc
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Posco Co Ltd
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    • 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
    • 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
    • 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
    • C22C38/60—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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/009—Pearlite
    • 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
    • C21D8/021—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 involving particular fabrication steps or treatments of ingots or slabs

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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)
  • Continuous Casting (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
JP2003544233A 2001-11-16 2001-11-16 溶接熱影響部の靭性が優れた溶接構造用鋼材、その製造方法及びこれを用いた溶接構造物 Expired - Fee Related JP3863878B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2001/001957 WO2003042420A1 (en) 2001-11-16 2001-11-16 Steel plate having superior toughness in weld heat-affected zone and method for manufacturing the same, welding fabric using the same

Publications (3)

Publication Number Publication Date
JP2005509740A JP2005509740A (ja) 2005-04-14
JP2005509740A5 JP2005509740A5 (https=) 2006-09-21
JP3863878B2 true JP3863878B2 (ja) 2006-12-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003544233A Expired - Fee Related JP3863878B2 (ja) 2001-11-16 2001-11-16 溶接熱影響部の靭性が優れた溶接構造用鋼材、その製造方法及びこれを用いた溶接構造物

Country Status (6)

Country Link
US (2) US7105066B2 (https=)
EP (1) EP1444373B1 (https=)
JP (1) JP3863878B2 (https=)
CN (1) CN1236092C (https=)
DE (1) DE60130500T2 (https=)
WO (1) WO2003042420A1 (https=)

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JP2001098340A (ja) * 1999-09-29 2001-04-10 Nippon Steel Corp 溶接熱影響部靱性に優れた溶接構造用鋼
KR100368264B1 (ko) * 2000-07-05 2003-02-06 주식회사 포스코 용접열영향부 인성이 우수한 용접구조용 강재의 제조방법 및 이로부터 제조된 강재, 이를 이용한 용접구조물
KR100482208B1 (ko) * 2000-11-17 2005-04-21 주식회사 포스코 침질처리에 의한 용접구조용 강재의 제조방법
DE60130788T2 (de) * 2000-12-01 2008-07-17 Posco, Pohang Tin- und mns-ausscheidendes stahlblech für schweisstrukturen, hetsellungsverfahren dafür und diese verwendende schweissgefüge
US6966955B2 (en) * 2000-12-14 2005-11-22 Posco Steel plate having TiN+ZrN precipitates for welded structures, method for manufacturing same and welded structure made therefrom

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US20050173030A1 (en) 2005-08-11
WO2003042420A1 (en) 2003-05-22
EP1444373B1 (en) 2007-09-12
US7105066B2 (en) 2006-09-12
CN1236092C (zh) 2006-01-11
CN1518606A (zh) 2004-08-04
EP1444373A1 (en) 2004-08-11
JP2005509740A (ja) 2005-04-14
US20040144454A1 (en) 2004-07-29
DE60130500D1 (de) 2007-10-25
DE60130500T2 (de) 2008-06-12
EP1444373A4 (en) 2004-12-01

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