EP1221493A4 - THICK STEEL PLATE BEING EXCELLENT IN CTOD CHARACTERISTIC IN WELDING HEAT AFFECTED ZONE AND HAVING YIELD STRENGTH OF 460 Mpa OR MORE - Google Patents

THICK STEEL PLATE BEING EXCELLENT IN CTOD CHARACTERISTIC IN WELDING HEAT AFFECTED ZONE AND HAVING YIELD STRENGTH OF 460 Mpa OR MORE

Info

Publication number
EP1221493A4
EP1221493A4 EP01930007A EP01930007A EP1221493A4 EP 1221493 A4 EP1221493 A4 EP 1221493A4 EP 01930007 A EP01930007 A EP 01930007A EP 01930007 A EP01930007 A EP 01930007A EP 1221493 A4 EP1221493 A4 EP 1221493A4
Authority
EP
European Patent Office
Prior art keywords
mpa
steel plate
yield strength
affected zone
heat affected
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
EP01930007A
Other languages
German (de)
French (fr)
Other versions
EP1221493A1 (en
EP1221493B1 (en
Inventor
Akihiko Kojima
Yoshio Terada
Akihito Kiyose
Yuzuru Yoshida
Toshihiko Adachi
Kazuaki Tanaka
Ryuji Uemori
Shiro Imai
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 JP2000348105A external-priority patent/JP2002143880A/en
Priority claimed from JP2001049838A external-priority patent/JP3699657B2/en
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP1221493A1 publication Critical patent/EP1221493A1/en
Publication of EP1221493A4 publication Critical patent/EP1221493A4/en
Application granted granted Critical
Publication of EP1221493B1 publication Critical patent/EP1221493B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C22C38/14—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
    • C22C38/002—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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
EP01930007A 2000-05-09 2001-05-09 THICK STEEL PLATE BEING EXCELLENT IN CTOD CHARACTERISTIC IN WELDING HEAT AFFECTED ZONE AND HAVING YIELD STRENGTH OF 460 Mpa OR MORE Expired - Lifetime EP1221493B1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP2000136105 2000-05-09
JP2000136105 2000-05-09
JP2000348257 2000-11-15
JP2000348105A JP2002143880A (en) 2000-11-15 2000-11-15 Device for biological treatment of waste water
JP2000348105 2000-11-15
JP2000348257 2000-11-15
JP2001049838A JP3699657B2 (en) 2000-05-09 2001-02-26 Thick steel plate with yield strength of 460 MPa or more with excellent CTOD characteristics of the heat affected zone
JP2001049838 2001-02-26
PCT/JP2001/003876 WO2001086013A1 (en) 2000-05-09 2001-05-09 THICK STEEL PLATE BEING EXCELLENT IN CTOD CHARACTERISTIC IN WELDING HEAT AFFECTED ZONE AND HAVING YIELD STRENGTH OF 460 Mpa OR MORE

Publications (3)

Publication Number Publication Date
EP1221493A1 EP1221493A1 (en) 2002-07-10
EP1221493A4 true EP1221493A4 (en) 2003-01-15
EP1221493B1 EP1221493B1 (en) 2005-01-12

Family

ID=33437157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01930007A Expired - Lifetime EP1221493B1 (en) 2000-05-09 2001-05-09 THICK STEEL PLATE BEING EXCELLENT IN CTOD CHARACTERISTIC IN WELDING HEAT AFFECTED ZONE AND HAVING YIELD STRENGTH OF 460 Mpa OR MORE

Country Status (1)

Country Link
EP (1) EP1221493B1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003292689A1 (en) * 2003-10-17 2005-05-05 Nippon Steel Corporation High strength thin steel sheet excellent in hole expansibility and ductility
JP4660250B2 (en) * 2004-04-07 2011-03-30 新日本製鐵株式会社 Thick high-strength steel sheet with excellent low-temperature toughness in the heat affected zone by high heat input welding
JP4252974B2 (en) * 2005-05-25 2009-04-08 株式会社日本製鋼所 Clad steel base material and method for producing clad steel using the clad steel base material
KR20110125277A (en) * 2007-12-07 2011-11-18 신닛뽄세이테쯔 카부시키카이샤 Steel being excellent in ctod characteristic in welding heat affected zone and a method of producing the same
JP4700769B2 (en) 2009-05-19 2011-06-15 新日本製鐵株式会社 Steel for welding and method for manufacturing the same
TWI365915B (en) 2009-05-21 2012-06-11 Nippon Steel Corp Steel for welded structure and producing method thereof
JP2011246804A (en) 2010-04-30 2011-12-08 Nippon Steel Corp Electronic-beam welding joint and steel for electronic-beam welding, and manufacturing method therefor
WO2012070359A1 (en) * 2010-11-22 2012-05-31 新日本製鐵株式会社 Electron beam welded joint, steel material for use in electron beam welded joint, and manufacturing method thereof
EP2644733B1 (en) * 2010-11-22 2016-05-25 Nippon Steel & Sumitomo Metal Corporation Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor
US9403242B2 (en) 2011-03-24 2016-08-02 Nippon Steel & Sumitomo Metal Corporation Steel for welding
CN109072383B (en) * 2016-04-21 2021-02-09 日本制铁株式会社 Thick steel plate

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09157787A (en) * 1995-12-06 1997-06-17 Nippon Steel Corp High tensile strength steel for welding excellent in toughness in very large heat input welded heat affected zone

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09157787A (en) * 1995-12-06 1997-06-17 Nippon Steel Corp High tensile strength steel for welding excellent in toughness in very large heat input welded heat affected zone

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 10 31 October 1997 (1997-10-31) *

Also Published As

Publication number Publication date
EP1221493A1 (en) 2002-07-10
EP1221493B1 (en) 2005-01-12

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