EP1493828A4 - High tensile steel excellent in high temperature strength and method for production thereof - Google Patents

High tensile steel excellent in high temperature strength and method for production thereof

Info

Publication number
EP1493828A4
EP1493828A4 EP03715623A EP03715623A EP1493828A4 EP 1493828 A4 EP1493828 A4 EP 1493828A4 EP 03715623 A EP03715623 A EP 03715623A EP 03715623 A EP03715623 A EP 03715623A EP 1493828 A4 EP1493828 A4 EP 1493828A4
Authority
EP
European Patent Office
Prior art keywords
production
temperature strength
tensile steel
steel excellent
high temperature
Prior art date
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.)
Withdrawn
Application number
EP03715623A
Other languages
German (de)
French (fr)
Other versions
EP1493828A1 (en
Inventor
Yasushi Mizutani
Ryuji Uemori
Tatsuya Kumagai
Tadayoshi Okada
Yoshiyuki Watanabe
Yoshio Terada
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.)
Nippon Steel Corp
Original Assignee
Nippon 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.)
Filing date
Publication date
Priority claimed from JP2003086308A external-priority patent/JP4348103B2/en
Priority claimed from JP2003086307A external-priority patent/JP4348102B2/en
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP1493828A1 publication Critical patent/EP1493828A1/en
Publication of EP1493828A4 publication Critical patent/EP1493828A4/en
Withdrawn legal-status Critical Current

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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • 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
    • C22C38/02—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
    • C22C38/12—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
    • 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

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)
EP03715623A 2002-03-29 2003-03-28 High tensile steel excellent in high temperature strength and method for production thereof Withdrawn EP1493828A4 (en)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
JP2002094834 2002-03-29
JP2002094834 2002-03-29
JP2002095162 2002-03-29
JP2002095162 2002-03-29
JP2002144203 2002-05-20
JP2002144203 2002-05-20
JP2002313067 2002-10-28
JP2002313067 2002-10-28
JP2003086308 2003-03-26
JP2003086308A JP4348103B2 (en) 2002-10-28 2003-03-26 590 MPa class high strength steel excellent in high temperature strength and method for producing the same
JP2003086307 2003-03-26
JP2003086307A JP4348102B2 (en) 2002-05-20 2003-03-26 490 MPa class high strength steel excellent in high temperature strength and manufacturing method thereof
PCT/JP2003/004040 WO2003087414A1 (en) 2002-03-29 2003-03-28 High tensile steel excellent in high temperature strength and method for production thereof

Publications (2)

Publication Number Publication Date
EP1493828A1 EP1493828A1 (en) 2005-01-05
EP1493828A4 true EP1493828A4 (en) 2011-01-05

Family

ID=29255710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03715623A Withdrawn EP1493828A4 (en) 2002-03-29 2003-03-28 High tensile steel excellent in high temperature strength and method for production thereof

Country Status (5)

Country Link
EP (1) EP1493828A4 (en)
KR (1) KR100630402B1 (en)
CN (1) CN1643167A (en)
TW (1) TWI235769B (en)
WO (1) WO2003087414A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4954507B2 (en) * 2004-07-28 2012-06-20 新日本製鐵株式会社 H-section steel excellent in fire resistance and method for producing the same
ATE467691T1 (en) * 2004-11-24 2010-05-15 Giovanni Arvedi STRIPS OF HOT ROLLED MICRO-ALLOYED STEEL FOR MAINTAINING FINISHED PIECES BY COLD ACTUATING AND SHEARING
JP4226626B2 (en) * 2005-11-09 2009-02-18 新日本製鐵株式会社 High tensile strength steel sheet with low acoustic anisotropy and excellent weldability, including yield stress of 450 MPa or more and tensile strength of 570 MPa or more, including the central part of the plate thickness, and method for producing the same
CN100584983C (en) * 2006-09-27 2010-01-27 宝山钢铁股份有限公司 Cold-rolled high-strength diphasic strip steel and manufacturing process thereof
CN101652495B (en) * 2007-04-06 2011-06-08 新日本制铁株式会社 Steel material having excellent high temperature properties and excellent toughness, and method for production thereof
JP5396758B2 (en) * 2007-07-27 2014-01-22 Ｊｆｅスチール株式会社 Hot-rolled section steel for ship ballast tank and manufacturing method thereof
JP5320919B2 (en) * 2007-09-25 2013-10-23 Ｊｆｅスチール株式会社 Hot rolled shape steel for crude oil tank and method for producing the same
KR101018131B1 (en) * 2007-11-22 2011-02-25 주식회사 포스코 High strength and low yield ratio steel for structure having excellent low temperature toughness
CN101285153B (en) * 2008-05-09 2010-06-09 攀钢集团成都钢铁有限责任公司 Fire-resistant steel fire-resistant seamless steel pipe and production method thereof
CN102400049B (en) * 2010-09-07 2014-03-12 鞍钢股份有限公司 490-grade fire-resistant steel plate for building structure and manufacturing method thereof
JP5594438B2 (en) * 2011-11-08 2014-09-24 Ｊｆｅスチール株式会社 High tensile hot rolled galvanized steel sheet and method for producing the same
JP5821929B2 (en) * 2013-10-29 2015-11-24 Ｊｆｅスチール株式会社 High-strength hot-rolled steel sheet with excellent material stability and weldability and method for producing the same
CN103741079A (en) * 2014-01-09 2014-04-23 鞍钢股份有限公司 Ultrahigh-strength steel plate for ocean engineering and production method thereof
CN110846594B (en) * 2019-11-28 2021-02-09 钢铁研究总院 Copper-containing ultra-low carbon bainite steel and preparation method thereof
CN112553526B (en) * 2020-11-20 2022-04-22 林州凤宝管业有限公司 960 MPa-level ultrahigh-strength structural steel, steel pipe and manufacturing method and application thereof
CN112941405B (en) * 2021-01-26 2022-04-19 南京钢铁股份有限公司 High-toughness heat-resistant flat-bulb steel for ships and preparation method thereof
JP7535490B2 (en) 2021-11-09 2024-08-16 株式会社神戸製鋼所 Steel plate and its manufacturing method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1068044A (en) * 1996-06-18 1998-03-10 Nippon Steel Corp Building steel excellent in fire resistance, and its production
JPH10259448A (en) * 1997-03-21 1998-09-29 Kobe Steel Ltd High strength steel sheet excellent in static absorbed energy and impact resistance and its production

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05339674A (en) * 1992-06-08 1993-12-21 Kobe Steel Ltd Low carbon 0.5% mo steel sheet excellent in weld crack resistance
JP3397271B2 (en) * 1995-04-14 2003-04-14 新日本製鐵株式会社 Rolled section steel for refractory and method for producing the same
JPH09209077A (en) * 1996-01-30 1997-08-12 Nippon Steel Corp High temperature refractory steel material and its production
JP2002012939A (en) * 2000-04-27 2002-01-15 Nippon Steel Corp High tensile steel excellent in hot strength and its production method
JP4309561B2 (en) * 2000-06-20 2009-08-05 新日本製鐵株式会社 High-tensile steel plate with excellent high-temperature strength and method for producing the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1068044A (en) * 1996-06-18 1998-03-10 Nippon Steel Corp Building steel excellent in fire resistance, and its production
JPH10259448A (en) * 1997-03-21 1998-09-29 Kobe Steel Ltd High strength steel sheet excellent in static absorbed energy and impact resistance and its production

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO03087414A1 *

Also Published As

Publication number Publication date
WO2003087414A1 (en) 2003-10-23
TWI235769B (en) 2005-07-11
TW200305650A (en) 2003-11-01
KR100630402B1 (en) 2006-10-02
CN1643167A (en) 2005-07-20
KR20040089746A (en) 2004-10-21
EP1493828A1 (en) 2005-01-05

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20101203

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Ipc: C21C 3/00 20060101AFI20031029BHEP

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Effective date: 20110525

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Effective date: 20110615