EP1520912A3 - Acier présentant une excellente ténacité de la zone affectée thermiquement par soudage - Google Patents

Acier présentant une excellente ténacité de la zone affectée thermiquement par soudage Download PDF

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Publication number
EP1520912A3
EP1520912A3 EP04026201A EP04026201A EP1520912A3 EP 1520912 A3 EP1520912 A3 EP 1520912A3 EP 04026201 A EP04026201 A EP 04026201A EP 04026201 A EP04026201 A EP 04026201A EP 1520912 A3 EP1520912 A3 EP 1520912A3
Authority
EP
European Patent Office
Prior art keywords
toughness
oxide particles
less
affected zone
weld heat
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
EP04026201A
Other languages
German (de)
English (en)
Other versions
EP1520912B1 (fr
EP1520912A2 (fr
Inventor
Masanori Nippon Steel Corp. Minagawa
Toshihiko Nippon Steel Corp. Koseki
Yuji Nippon Steel Corp. Funatsu
Jun Nippon Steel Corp. Ohtani
Tomohiko Nippon Steel Corp. Hada
Tadashi Nippon Steel Corp. Ishikawa
Masaaki Nippon Steel Corp. Nagahara
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 JP2000033242A external-priority patent/JP2001226739A/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP1520912A2 publication Critical patent/EP1520912A2/fr
Publication of EP1520912A3 publication Critical patent/EP1520912A3/fr
Application granted granted Critical
Publication of EP1520912B1 publication Critical patent/EP1520912B1/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
    • 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
    • C22C38/02—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
    • C22C38/06—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Nonmetallic Welding Materials (AREA)
EP04026201A 2000-02-10 2000-11-13 Acier présentant une excellente ténacité de la zone affectée thermiquement par soudage Expired - Lifetime EP1520912B1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2000033241 2000-02-10
JP2000033242 2000-02-10
JP2000033241 2000-02-10
JP2000033242A JP2001226739A (ja) 2000-02-10 2000-02-10 溶接熱影響部靭性に優れた鋼材
JP2000068210 2000-03-13
JP2000068210 2000-03-13
EP00974966A EP1262571B1 (fr) 2000-02-10 2000-11-13 Acier a zone affectee thermiquement par soudage presentant une excellente tenacite

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP00974966A Division EP1262571B1 (fr) 2000-02-10 2000-11-13 Acier a zone affectee thermiquement par soudage presentant une excellente tenacite

Publications (3)

Publication Number Publication Date
EP1520912A2 EP1520912A2 (fr) 2005-04-06
EP1520912A3 true EP1520912A3 (fr) 2005-04-27
EP1520912B1 EP1520912B1 (fr) 2007-01-17

Family

ID=27342318

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04026201A Expired - Lifetime EP1520912B1 (fr) 2000-02-10 2000-11-13 Acier présentant une excellente ténacité de la zone affectée thermiquement par soudage
EP00974966A Expired - Lifetime EP1262571B1 (fr) 2000-02-10 2000-11-13 Acier a zone affectee thermiquement par soudage presentant une excellente tenacite

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP00974966A Expired - Lifetime EP1262571B1 (fr) 2000-02-10 2000-11-13 Acier a zone affectee thermiquement par soudage presentant une excellente tenacite

Country Status (4)

Country Link
EP (2) EP1520912B1 (fr)
KR (1) KR100514667B1 (fr)
DE (2) DE60021919T2 (fr)
WO (1) WO2001059167A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3699077B2 (ja) * 2002-10-29 2005-09-28 株式会社日本製鋼所 溶接熱影響部の低温靭性に優れたクラッド鋼板用母材および該クラッド鋼板の製造方法
JP4972451B2 (ja) * 2007-04-20 2012-07-11 株式会社神戸製鋼所 溶接熱影響部および母材の低温靭性に優れた低降伏比高張力鋼板並びにその製造方法
JP4399018B1 (ja) 2008-07-15 2010-01-13 新日本製鐵株式会社 溶接熱影響部の靭性に優れた鋼板
US9403242B2 (en) 2011-03-24 2016-08-02 Nippon Steel & Sumitomo Metal Corporation Steel for welding
WO2013007729A1 (fr) * 2011-07-10 2013-01-17 Tata Steel Ijmuiden Bv Bande d'acier haute résistance laminée à chaud avec résistance élevée au ramollissement haz et son procédé de production
EP2784168B1 (fr) * 2011-11-25 2016-11-23 Nippon Steel & Sumitomo Metal Corporation Matériau à base d'acier soudable
KR101719943B1 (ko) * 2013-03-12 2017-03-24 제이에프이 스틸 가부시키가이샤 다층 용접 조인트 ctod 특성이 우수한 후강판 및 그 제조 방법
CN103320692B (zh) 2013-06-19 2016-07-06 宝山钢铁股份有限公司 超高韧性、优良焊接性ht550钢板及其制造方法
CN103320693B (zh) 2013-06-19 2015-11-18 宝山钢铁股份有限公司 抗锌致裂纹钢板及其制造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08158006A (ja) * 1994-12-06 1996-06-18 Kobe Steel Ltd 溶接熱影響部の靭性が優れた高強度鋼
JPH10183295A (ja) * 1996-12-19 1998-07-14 Nippon Steel Corp 大入熱溶接の熱影響部靭性の優れた鋼材およびその製造方法
JPH11229078A (ja) * 1998-02-16 1999-08-24 Kobe Steel Ltd 母材および大入熱溶接熱影響部の靱性に優れた高張力鋼板およびその製造方法
JP2000001738A (ja) * 1998-04-15 2000-01-07 Nippon Steel Corp 溶接熱影響部の靱性に優れた鋼板

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08158006A (ja) * 1994-12-06 1996-06-18 Kobe Steel Ltd 溶接熱影響部の靭性が優れた高強度鋼
JPH10183295A (ja) * 1996-12-19 1998-07-14 Nippon Steel Corp 大入熱溶接の熱影響部靭性の優れた鋼材およびその製造方法
JPH11229078A (ja) * 1998-02-16 1999-08-24 Kobe Steel Ltd 母材および大入熱溶接熱影響部の靱性に優れた高張力鋼板およびその製造方法
JP2000001738A (ja) * 1998-04-15 2000-01-07 Nippon Steel Corp 溶接熱影響部の靱性に優れた鋼板

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 10 31 October 1996 (1996-10-31) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 12 31 October 1998 (1998-10-31) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 13 30 November 1999 (1999-11-30) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 04 31 August 2000 (2000-08-31) *

Also Published As

Publication number Publication date
DE60021919T2 (de) 2006-06-08
KR20020073579A (ko) 2002-09-27
DE60033070T2 (de) 2007-05-31
WO2001059167A1 (fr) 2001-08-16
EP1262571A1 (fr) 2002-12-04
EP1520912B1 (fr) 2007-01-17
KR100514667B1 (ko) 2005-09-14
EP1520912A2 (fr) 2005-04-06
EP1262571A4 (fr) 2003-03-26
EP1262571B1 (fr) 2005-08-10
DE60033070D1 (de) 2007-03-08
DE60021919D1 (de) 2005-09-15

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