CN1236092C - 在焊接热影响区具有优良韧性的钢板及其制造方法和使用该钢板的焊接结构 - Google Patents

在焊接热影响区具有优良韧性的钢板及其制造方法和使用该钢板的焊接结构 Download PDF

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Publication number
CN1236092C
CN1236092C CNB018232051A CN01823205A CN1236092C CN 1236092 C CN1236092 C CN 1236092C CN B018232051 A CNB018232051 A CN B018232051A CN 01823205 A CN01823205 A CN 01823205A CN 1236092 C CN1236092 C CN 1236092C
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China
Prior art keywords
steel
present
sample
toughness
steel slab
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Expired - Fee Related
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CNB018232051A
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English (en)
Chinese (zh)
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CN1518606A (zh
Inventor
郑洪喆
崔海昌
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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)
CNB018232051A 2001-11-16 2001-11-16 在焊接热影响区具有优良韧性的钢板及其制造方法和使用该钢板的焊接结构 Expired - Fee Related CN1236092C (zh)

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 (2)

Publication Number Publication Date
CN1518606A CN1518606A (zh) 2004-08-04
CN1236092C true CN1236092C (zh) 2006-01-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB018232051A Expired - Fee Related CN1236092C (zh) 2001-11-16 2001-11-16 在焊接热影响区具有优良韧性的钢板及其制造方法和使用该钢板的焊接结构

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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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
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US7105066B2 (en) 2006-09-12
JP3863878B2 (ja) 2006-12-27
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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