WO2010074473A3 - High strength steel plate for nuclear reactor containment vessel and method of manufacturing the same - Google Patents

High strength steel plate for nuclear reactor containment vessel and method of manufacturing the same Download PDF

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Publication number
WO2010074473A3
WO2010074473A3 PCT/KR2009/007647 KR2009007647W WO2010074473A3 WO 2010074473 A3 WO2010074473 A3 WO 2010074473A3 KR 2009007647 W KR2009007647 W KR 2009007647W WO 2010074473 A3 WO2010074473 A3 WO 2010074473A3
Authority
WO
WIPO (PCT)
Prior art keywords
less
steel plate
strength steel
manufacturing
same
Prior art date
Application number
PCT/KR2009/007647
Other languages
French (fr)
Other versions
WO2010074473A2 (en
Inventor
Soon-Taik Hong
Sung-Ho Jang
Ki-Hyun Bang
Original Assignee
Posco
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 Posco filed Critical Posco
Priority to CN200980152846.4A priority Critical patent/CN102264936B/en
Priority to EP09835239.6A priority patent/EP2370608A4/en
Priority to US13/141,733 priority patent/US20110259481A1/en
Publication of WO2010074473A2 publication Critical patent/WO2010074473A2/en
Publication of WO2010074473A3 publication Critical patent/WO2010074473A3/en

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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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • 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
    • C22C38/002—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
    • C22C38/04—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
    • C22C38/14—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
    • C22C38/44—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
    • C22C38/50—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
    • C21D2211/008—Martensite

Abstract

There is provided a high strength steel plate including, by weight: 0.03% to 0.20% C, 0.15% to 0.55% Si, 0.9% to 1.5% Mn, 0.001% to 0.05% Al, 0.030% or less P, 0.030% or less S, 0.30% or less Cr, 0.2% or less Mo, 0.6% or less Ni, 0.07% or less V, 0.04% or less Nb, 5 ppm to 50 ppm Ca, 0.005% to 0.025% Ti, 0.0020% to 0.0060% N, 0.0005% to 0.0020% B, the balance of F and unavoidable impurities. The steel plate may be formed of tempered martensite, and conditions for cooling and recrystallization controlled rolling are optimized so as to control an average grain size of a microstructure and an aspect ratio of structure grains. Accordingly, a superior high- strength steel plate that can be used for an atomic plant, for example, an atomic plant rated at IOOOMW or more by having a tensile strength of at least 650 MPa and an impact toughness of at least 200 J at -5O°C, and a method of manufacturing the same can be provided.
PCT/KR2009/007647 2008-12-26 2009-12-21 High strength steel plate for nuclear reactor containment vessel and method of manufacturing the same WO2010074473A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200980152846.4A CN102264936B (en) 2008-12-26 2009-12-21 High strength steel plate for nuclear reactor containment vessel and method of manufacturing the same
EP09835239.6A EP2370608A4 (en) 2008-12-26 2009-12-21 High strength steel plate for nuclear reactor containment vessel and method of manufacturing the same
US13/141,733 US20110259481A1 (en) 2008-12-26 2009-12-21 High Strength Steel Plate for Nuclear Reactor Containment Vessel and Method of Manufacturing the Same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080134885A KR101091306B1 (en) 2008-12-26 2008-12-26 High Strength Steel Plate for Containment Vessel of Atomic Plant and Manufacturing Method Thereof
KR10-2008-0134885 2008-12-26

Publications (2)

Publication Number Publication Date
WO2010074473A2 WO2010074473A2 (en) 2010-07-01
WO2010074473A3 true WO2010074473A3 (en) 2010-09-23

Family

ID=42288271

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/007647 WO2010074473A2 (en) 2008-12-26 2009-12-21 High strength steel plate for nuclear reactor containment vessel and method of manufacturing the same

Country Status (5)

Country Link
US (1) US20110259481A1 (en)
EP (1) EP2370608A4 (en)
KR (1) KR101091306B1 (en)
CN (1) CN102264936B (en)
WO (1) WO2010074473A2 (en)

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KR101271990B1 (en) * 2009-12-01 2013-06-05 주식회사 포스코 High strength steel sheet and method for manufacturing the same
WO2012153009A1 (en) * 2011-05-12 2012-11-15 Arcelormittal Investigación Y Desarrollo Sl Method for the production of very-high-strength martensitic steel and sheet thus obtained
CN103014539B (en) 2011-09-26 2015-10-28 宝山钢铁股份有限公司 A kind of yield strength 700MPa grade high-strength high-tenacity steel plate and manufacture method thereof
CN103014554B (en) 2011-09-26 2014-12-03 宝山钢铁股份有限公司 Low-yield-ratio high-tenacity steel plate and manufacture method thereof
CN102605296A (en) * 2012-03-13 2012-07-25 宝山钢铁股份有限公司 Steel for nuclear pressure vessels and manufacturing method thereof
CN102776441A (en) * 2012-08-10 2012-11-14 济钢集团有限公司 Steel plate for third-generation nuclear power station reactor containments and manufacturing method thereof
CN104073731B (en) * 2013-03-27 2017-02-22 鞍钢股份有限公司 Production method for ultrahigh-strength ship plate adopting direct quenching process
ES2728328T3 (en) * 2013-05-14 2019-10-23 Nippon Steel Corp Hot rolled steel sheet and its manufacturing method
MX2015011027A (en) * 2013-05-21 2015-10-22 Nippon Steel & Sumitomo Metal Corp Hot-rolled steel sheet and method for manufacturing same.
CN103451526B (en) * 2013-09-11 2015-09-30 济钢集团有限公司 A kind of 6-8mm high strength structure plate and manufacture method thereof
CN103911559B (en) * 2014-03-18 2016-08-17 济钢集团有限公司 A kind of nuclear plant pressure vessels steel plate and manufacture method thereof
KR101778398B1 (en) * 2015-12-17 2017-09-14 주식회사 포스코 Pressure vessel steel plate having excellent property after post weld heat treatment and method for manufacturing the same
CN106544597B (en) * 2016-10-18 2018-03-27 武汉钢铁有限公司 Ultra-thin ultra-wide steel for nuclear power pressure equipment plate and its manufacture method
KR102031450B1 (en) * 2017-12-24 2019-10-11 주식회사 포스코 High strength steel sheet and manufacturing method for the same
CN109355570B (en) * 2018-11-30 2020-07-07 湖南华菱湘潭钢铁有限公司 Production method of thin-specification easy-welding low-temperature structural steel plate
JP2020186453A (en) * 2019-05-16 2020-11-19 三菱重工業株式会社 Carbon steel, radioactive material storage container, shield performance analyzing method and shield structure designing method
CN111534747B (en) * 2020-04-30 2021-10-22 鞍钢股份有限公司 Weather-resistant steel for wide 550 MPa-grade hot-rolled container and manufacturing method thereof
CN114959459B (en) * 2022-05-06 2023-06-16 鞍钢股份有限公司 Steel plate for advanced nuclear power unit reactor core shell cylinder and manufacturing method thereof
CN116121645B (en) * 2022-12-23 2023-12-15 鞍钢股份有限公司 Steel for ultra-thick high-strength nuclear reactor containment vessel and manufacturing method thereof

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Publication number Priority date Publication date Assignee Title
JPH0551696A (en) * 1991-03-28 1993-03-02 Sumitomo Metal Ind Ltd High tensile strength steel excellent in weldability and sr cracking resistance
US6228183B1 (en) * 1997-07-28 2001-05-08 Exxonmobil Upstream Research Company Ultra-high strength, weldable, boron-containing steels with superior toughness
JP2000129392A (en) * 1998-10-20 2000-05-09 Nippon Steel Corp High strength steel product excellent in fatigue crack propagation resistance, and its manufacture
JP2001247915A (en) * 2000-03-06 2001-09-14 Nkk Corp Method for producing high toughness steel
KR20060130779A (en) * 2004-04-08 2006-12-19 신닛뽄세이테쯔 카부시키카이샤 Steel plate excellent in fatigue crack propagation characteristics and method for production thereof
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Also Published As

Publication number Publication date
WO2010074473A2 (en) 2010-07-01
CN102264936B (en) 2014-06-18
EP2370608A4 (en) 2014-05-21
KR20100076745A (en) 2010-07-06
US20110259481A1 (en) 2011-10-27
KR101091306B1 (en) 2011-12-07
CN102264936A (en) 2011-11-30
EP2370608A2 (en) 2011-10-05

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