EP1221493A4 - Tole d'acier epaisse excellente du point de vue de ses caracteristiques ctod dans la zone affectee par la chaleur du soudage et dont la limite conventionnelle d'elasticite est superieure ou egale a 460 mpa - Google Patents

Tole d'acier epaisse excellente du point de vue de ses caracteristiques ctod dans la zone affectee par la chaleur du soudage et dont la limite conventionnelle d'elasticite est superieure ou egale a 460 mpa

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)
English (en)
Other versions
EP1221493B1 (fr
EP1221493A1 (fr
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/ja
Priority claimed from JP2001049838A external-priority patent/JP3699657B2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP1221493A1 publication Critical patent/EP1221493A1/fr
Publication of EP1221493A4 publication Critical patent/EP1221493A4/fr
Application granted granted Critical
Publication of EP1221493B1 publication Critical patent/EP1221493B1/fr
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 Tole d'acier epaisse excellente du point de vue de ses caracteristiques ctod dans la zone affectee par la chaleur du soudage et dont la limite conventionnelle d'elasticite est superieure ou egale a 460 mpa Expired - Lifetime EP1221493B1 (fr)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP2000136105 2000-05-09
JP2000136105 2000-05-09
JP2000348257 2000-11-15
JP2000348257 2000-11-15
JP2000348105A JP2002143880A (ja) 2000-11-15 2000-11-15 生物学的排水処理装置
JP2000348105 2000-11-15
JP2001049838A JP3699657B2 (ja) 2000-05-09 2001-02-26 溶接熱影響部のＣＴＯＤ特性に優れた４６０ＭＰａ以上の降伏強度を有する厚鋼板
JP2001049838 2001-02-26
PCT/JP2001/003876 WO2001086013A1 (fr) 2000-05-09 2001-05-09 Tole d'acier epaisse excellente du point de vue de ses caracteristiques ctod dans la zone affectee par la chaleur du soudage et dont la limite conventionnelle d'elasticite est superieure ou egale a 460 mpa

Publications (3)

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

Family

ID=33437157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01930007A Expired - Lifetime EP1221493B1 (fr) 2000-05-09 2001-05-09 Tole d'acier epaisse excellente du point de vue de ses caracteristiques ctod dans la zone affectee par la chaleur du soudage et dont la limite conventionnelle d'elasticite est superieure ou egale a 460 mpa

Country Status (1)

Country Link
EP (1) EP1221493B1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2676781C (fr) 2003-10-17 2012-04-10 Nippon Steel Corporation Feuilles d'acier minces haute resistance presentant une excellente caracteristique d'expansion des trous et une excellente endurance
JP4660250B2 (ja) * 2004-04-07 2011-03-30 新日本製鐵株式会社 大入熱溶接による溶接熱影響部の低温靭性に優れた厚手高強度鋼板
JP4252974B2 (ja) * 2005-05-25 2009-04-08 株式会社日本製鋼所 クラッド鋼用母材および該クラッド鋼用母材を用いたクラッド鋼の製造方法
CN101578384B (zh) 2007-12-07 2011-06-15 新日本制铁株式会社 焊接热影响区的ctod特性优异的钢及其制造方法
BRPI1007386A2 (pt) * 2009-05-19 2016-02-16 Nippon Steel Corp aço para estrutura soldada e método de produção do mesmo
TWI365915B (en) 2009-05-21 2012-06-11 Nippon Steel Corp Steel for welded structure and producing method thereof
JP2011246804A (ja) 2010-04-30 2011-12-08 Nippon Steel Corp 電子ビーム溶接継手及び電子ビーム溶接用鋼材とその製造方法
CN103221563B (zh) * 2010-11-22 2015-07-01 新日铁住金株式会社 电子束焊接接头及电子束焊接用钢材和其制造方法
CN103069039B (zh) * 2010-11-22 2014-08-20 新日铁住金株式会社 电子束焊接接头及电子束焊接用钢材及其制造方法
US9403242B2 (en) 2011-03-24 2016-08-02 Nippon Steel & Sumitomo Metal Corporation Steel for welding
WO2017183720A1 (fr) * 2016-04-21 2017-10-26 新日鐵住金株式会社 Plaque d'acier épaisse

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09157787A (ja) * 1995-12-06 1997-06-17 Nippon Steel Corp 超大入熱溶接熱影響部の靱性に優れた溶接用高張力鋼

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09157787A (ja) * 1995-12-06 1997-06-17 Nippon Steel Corp 超大入熱溶接熱影響部の靱性に優れた溶接用高張力鋼

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
EP1221493B1 (fr) 2005-01-12
EP1221493A1 (fr) 2002-07-10

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