EP2380997A4 - Steel for weld construction having excellent high-temperature strength and low-temperature toughness and process for producing the steel - Google Patents

Steel for weld construction having excellent high-temperature strength and low-temperature toughness and process for producing the steel

Info

Publication number
EP2380997A4
EP2380997A4 EP09707108.8A EP09707108A EP2380997A4 EP 2380997 A4 EP2380997 A4 EP 2380997A4 EP 09707108 A EP09707108 A EP 09707108A EP 2380997 A4 EP2380997 A4 EP 2380997A4
Authority
EP
European Patent Office
Prior art keywords
steel
producing
temperature
low
excellent high
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.)
Granted
Application number
EP09707108.8A
Other languages
German (de)
French (fr)
Other versions
EP2380997A1 (en
EP2380997B1 (en
Inventor
Yoshiyuki Watanabe
Ryuji Uemori
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 and Sumitomo Metal 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
Application filed by Nippon Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of EP2380997A1 publication Critical patent/EP2380997A1/en
Publication of EP2380997A4 publication Critical patent/EP2380997A4/en
Application granted granted Critical
Publication of EP2380997B1 publication Critical patent/EP2380997B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • 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
    • C22C38/06—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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)
EP09707108.8A 2009-01-15 2009-01-15 Steel for welded structures excellent in high temperature strength and low temperature toughness and method of production of same Active EP2380997B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/050906 WO2010082361A1 (en) 2009-01-15 2009-01-15 Steel for weld construction having excellent high-temperature strength and low-temperature toughness and process for producing the steel

Publications (3)

Publication Number Publication Date
EP2380997A1 EP2380997A1 (en) 2011-10-26
EP2380997A4 true EP2380997A4 (en) 2016-12-28
EP2380997B1 EP2380997B1 (en) 2020-01-08

Family

ID=42339627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09707108.8A Active EP2380997B1 (en) 2009-01-15 2009-01-15 Steel for welded structures excellent in high temperature strength and low temperature toughness and method of production of same

Country Status (7)

Country Link
US (1) US20110262298A1 (en)
EP (1) EP2380997B1 (en)
JP (1) JP4834149B2 (en)
KR (1) KR101189263B1 (en)
CN (1) CN101849026B (en)
BR (1) BRPI0901011B1 (en)
WO (1) WO2010082361A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5073396B2 (en) * 2007-07-20 2012-11-14 新日本製鐵株式会社 Manufacturing method of welded structural steel with excellent high temperature strength and low temperature toughness
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
CN102373387B (en) * 2011-11-02 2013-05-22 武汉钢铁(集团)公司 Steel plate for large-strain cold-bent tube and manufacturing method thereof
CN103114186B (en) * 2013-03-15 2015-04-08 济钢集团有限公司 Control cooling method of easy-welding high-performance steel plate
JP6226163B2 (en) * 2014-10-28 2017-11-08 Ｊｆｅスチール株式会社 High-tensile steel plate with excellent low-temperature toughness in heat affected zone and its manufacturing method
JP2017128795A (en) * 2016-01-18 2017-07-27 株式会社神戸製鋼所 Steel for forging and large sized forged steel article
ES2895456T3 (en) 2018-12-11 2022-02-21 Ssab Technology Ab High-strength steel product and manufacturing method thereof
CN112210719A (en) 2020-09-29 2021-01-12 南京钢铁股份有限公司 Low-cost high-performance Q500 bridge steel and production method thereof
CN114763593B (en) * 2021-01-12 2023-03-14 宝山钢铁股份有限公司 Marine engineering steel with high humidity and heat atmosphere corrosion resistance and manufacturing method thereof
CN113667897A (en) * 2021-08-31 2021-11-19 重庆钢铁股份有限公司 Low-temperature toughness steel and P, As matching process thereof
CN115287530A (en) * 2022-06-22 2022-11-04 河钢股份有限公司 High-welding-performance 700 MPa-grade rare earth high-strength structural steel and production method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06293915A (en) * 1993-04-07 1994-10-21 Nippon Steel Corp Production of low alloy steel plate for line pipe excellent in co2 corrosion resistance and sour resistance
JPH08209241A (en) * 1995-02-02 1996-08-13 Nippon Steel Corp Production of steel plate for line pipe excellent in carbon dioxide corrosion resistance and low temperature toughness
JPH08295929A (en) * 1995-04-26 1996-11-12 Nippon Steel Corp Production of sour resistant steel sheet for line pipe excellent in co2 corrosion resistance and low temperature toughness
EP1083242A1 (en) * 1999-09-07 2001-03-14 Kawasaki Steel Corporation High productive and high strength rolled H-shapes and method of manufacturing the same
JP2008144216A (en) * 2006-12-08 2008-06-26 Nippon Steel Corp Method for producing steel for welded structure excellent in high temperature strength and low temperature toughness

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6586117B2 (en) * 2001-10-19 2003-07-01 Sumitomo Metal Industries, Ltd. Steel sheet having excellent workability and shape accuracy and a method for its manufacture
US7857917B2 (en) * 2004-07-21 2010-12-28 Nippon Steel Corporation Method of production of steel for welded structures excellent in low temperature toughness of weld heat affected zone
JP4555694B2 (en) * 2005-01-18 2010-10-06 新日本製鐵株式会社 Bake-hardening hot-rolled steel sheet excellent in workability and method for producing the same
JP4709632B2 (en) * 2005-10-28 2011-06-22 新日本製鐵株式会社 Manufacturing method of high strength steel for welded structure with excellent high temperature strength and low temperature toughness
JP4571915B2 (en) 2006-02-08 2010-10-27 新日本製鐵株式会社 Refractory thick steel plate and manufacturing method thereof
JP5098207B2 (en) 2006-04-11 2012-12-12 新日鐵住金株式会社 Manufacturing method of high strength steel for welded structure with excellent high temperature strength and low temperature toughness
JP5073396B2 (en) * 2007-07-20 2012-11-14 新日本製鐵株式会社 Manufacturing method of welded structural steel with excellent high temperature strength and low temperature toughness

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06293915A (en) * 1993-04-07 1994-10-21 Nippon Steel Corp Production of low alloy steel plate for line pipe excellent in co2 corrosion resistance and sour resistance
JPH08209241A (en) * 1995-02-02 1996-08-13 Nippon Steel Corp Production of steel plate for line pipe excellent in carbon dioxide corrosion resistance and low temperature toughness
JPH08295929A (en) * 1995-04-26 1996-11-12 Nippon Steel Corp Production of sour resistant steel sheet for line pipe excellent in co2 corrosion resistance and low temperature toughness
EP1083242A1 (en) * 1999-09-07 2001-03-14 Kawasaki Steel Corporation High productive and high strength rolled H-shapes and method of manufacturing the same
JP2008144216A (en) * 2006-12-08 2008-06-26 Nippon Steel Corp Method for producing steel for welded structure excellent in high temperature strength and low temperature toughness

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010082361A1 *

Also Published As

Publication number Publication date
EP2380997A1 (en) 2011-10-26
CN101849026B (en) 2012-07-04
KR20100105821A (en) 2010-09-30
BRPI0901011B1 (en) 2019-09-10
BRPI0901011A2 (en) 2015-11-24
CN101849026A (en) 2010-09-29
JP4834149B2 (en) 2011-12-14
KR101189263B1 (en) 2012-10-09
WO2010082361A1 (en) 2010-07-22
JPWO2010082361A1 (en) 2012-06-28
EP2380997B1 (en) 2020-01-08
US20110262298A1 (en) 2011-10-27

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