BRPI0607524B1 - aço e método de sua produção - Google Patents

aço e método de sua produção Download PDF

Info

Publication number
BRPI0607524B1
BRPI0607524B1 BRPI0607524A BRPI0607524A BRPI0607524B1 BR PI0607524 B1 BRPI0607524 B1 BR PI0607524B1 BR PI0607524 A BRPI0607524 A BR PI0607524A BR PI0607524 A BRPI0607524 A BR PI0607524A BR PI0607524 B1 BRPI0607524 B1 BR PI0607524B1
Authority
BR
Brazil
Prior art keywords
steel
less
toughness
ceh
welding
Prior art date
Application number
BRPI0607524A
Other languages
English (en)
Portuguese (pt)
Inventor
Kazuhiro Fukunaga
Rikio Chijiiwa
Ryuji Uemori
Yoshihide Nagai
Yoshiyuki Watanabe
Original Assignee
Nippon Steel & Sumitomo Metal Corp
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
Application filed by Nippon Steel & Sumitomo Metal Corp, Nippon Steel Corp filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of BRPI0607524A2 publication Critical patent/BRPI0607524A2/pt
Publication of BRPI0607524B1 publication Critical patent/BRPI0607524B1/pt

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
    • 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
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • 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
    • C22C38/02—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

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)
BRPI0607524A 2006-12-20 2006-12-20 aço e método de sua produção BRPI0607524B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/325984 WO2008075443A1 (ja) 2006-12-20 2006-12-20 溶接熱影響部の靭性に優れた鋼

Publications (2)

Publication Number Publication Date
BRPI0607524A2 BRPI0607524A2 (pt) 2010-03-23
BRPI0607524B1 true BRPI0607524B1 (pt) 2016-01-19

Family

ID=39536082

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0607524A BRPI0607524B1 (pt) 2006-12-20 2006-12-20 aço e método de sua produção

Country Status (6)

Country Link
EP (1) EP2060643B1 (zh)
KR (1) KR100940617B1 (zh)
CN (1) CN100594250C (zh)
BR (1) BRPI0607524B1 (zh)
CA (1) CA2602076C (zh)
WO (1) WO2008075443A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4751341B2 (ja) * 2007-01-11 2011-08-17 新日本製鐵株式会社 溶接熱影響部のｃｔｏｄが優れた鋼およびその製造方法
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
US8668784B2 (en) 2009-05-19 2014-03-11 Nippon Steel & Sumitomo Metal Corporation Steel for welded structure and producing method thereof
TWI365915B (en) * 2009-05-21 2012-06-11 Nippon Steel Corp Steel for welded structure and producing method thereof
KR101360737B1 (ko) 2009-12-28 2014-02-07 주식회사 포스코 취성 균열 발생 저항성이 우수한 고강도 강판 및 그 제조방법
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
US9403242B2 (en) 2011-03-24 2016-08-02 Nippon Steel & Sumitomo Metal Corporation Steel for welding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624826A (ja) * 1985-07-01 1987-01-10 Kobe Steel Ltd 不安定延性破壊伝播停止特性にすぐれた高強度高靭性ラインパイプ用鋼板の製造方法
JPH093597A (ja) * 1995-06-21 1997-01-07 Nippon Steel Corp 溶接熱影響部靱性の優れた低温用鋼材およびその製造方法
CA2231985C (en) * 1997-03-26 2004-05-25 Sumitomo Metal Industries, Ltd. Welded high-strength steel structures and methods of manufacturing the same
JP3522564B2 (ja) * 1998-04-17 2004-04-26 新日本製鐵株式会社 溶接熱影響部の靱性に優れた鋼板
JP4268317B2 (ja) * 2000-06-09 2009-05-27 新日本製鐵株式会社 溶接部の低温靱性に優れた超高強度鋼管及びその製造方法
JP4311740B2 (ja) * 2004-10-27 2009-08-12 株式会社神戸製鋼所 大入熱溶接継手靭性に優れた厚鋼板
JP4303703B2 (ja) * 2005-06-21 2009-07-29 新日本製鐵株式会社 溶接熱影響部の破壊靭性に優れた鋼及びその製造方法

Also Published As

Publication number Publication date
EP2060643A4 (en) 2010-12-01
CN100594250C (zh) 2010-03-17
CA2602076A1 (en) 2008-06-20
CN101292055A (zh) 2008-10-22
EP2060643A1 (en) 2009-05-20
WO2008075443A1 (ja) 2008-06-26
BRPI0607524A2 (pt) 2010-03-23
KR20080067957A (ko) 2008-07-22
EP2060643B1 (en) 2012-04-18
CA2602076C (en) 2012-07-10
KR100940617B1 (ko) 2010-02-05

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Legal Events

Date Code Title Description
B25G Requested change of headquarter approved

Owner name: NIPPON STEEL CORPORATION (JP)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 20/12/2006, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved