BRPI0907853A2 - Chapa de aço de bitola grossa e alta resistência superior em capacidade de soldagem e tendo resistência à tração de 780 mpa ou mais e método de produção da mesma - Google Patents

Chapa de aço de bitola grossa e alta resistência superior em capacidade de soldagem e tendo resistência à tração de 780 mpa ou mais e método de produção da mesma

Info

Publication number
BRPI0907853A2
BRPI0907853A2 BRPI0907853-3A BRPI0907853A BRPI0907853A2 BR PI0907853 A2 BRPI0907853 A2 BR PI0907853A2 BR PI0907853 A BRPI0907853 A BR PI0907853A BR PI0907853 A2 BRPI0907853 A2 BR PI0907853A2
Authority
BR
Brazil
Prior art keywords
weldability
mpa
production method
sheet steel
gauge sheet
Prior art date
Application number
BRPI0907853-3A
Other languages
English (en)
Inventor
Manabu Hoshino
Masaaki Fujioka
Youichi Tanaka
Masanori Minagawa
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
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BRPI0907853A2 publication Critical patent/BRPI0907853A2/pt
Publication of BRPI0907853B1 publication Critical patent/BRPI0907853B1/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
    • C22C38/04—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
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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
    • C22C38/02—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • C21D2211/002—Bainite
    • 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
    • C21D2211/003—Cementite
    • 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
    • C21D2211/005—Ferrite
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Metal Rolling (AREA)
BRPI0907853-3A 2008-10-23 2009-10-22 Chapa de aço de bitola grossa tendo resistência à tração de 780 mpa ou mais BRPI0907853B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008-273097 2008-10-23
JP2008273097 2008-10-23
PCT/JP2009/068546 WO2010047416A1 (ja) 2008-10-23 2009-10-22 溶接性に優れる引張強さ７８０ＭＰａ以上の高張力厚鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
BRPI0907853A2 true BRPI0907853A2 (pt) 2015-07-21
BRPI0907853B1 BRPI0907853B1 (pt) 2018-02-06

Family

ID=42119445

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0907853-3A BRPI0907853B1 (pt) 2008-10-23 2009-10-22 Chapa de aço de bitola grossa tendo resistência à tração de 780 mpa ou mais

Country Status (9)

Country Link
US (1) US8048367B2 (pt)
EP (1) EP2241646B1 (pt)
JP (1) JP4551492B2 (pt)
KR (2) KR101252996B1 (pt)
CN (1) CN101960037B (pt)
BR (1) BRPI0907853B1 (pt)
CA (1) CA2713157C (pt)
TW (1) TW201026860A (pt)
WO (1) WO2010047416A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102719757B (zh) * 2012-06-25 2014-03-19 宝山钢铁股份有限公司 无镍高韧性80公斤级高强钢及其制造方法
US9749974B2 (en) 2013-01-16 2017-08-29 Intel IP Corporation Methods and arrangements for frame transmissions
US10036079B2 (en) * 2013-03-12 2018-07-31 Jfe Steel Corporation Thick steel sheet having excellent CTOD properties in multilayer welded joints, and manufacturing method for thick steel sheet
US10023946B2 (en) * 2013-03-12 2018-07-17 Jfe Steel Corporation Thick steel sheet having excellent CTOD properties in multilayer welded joints, and manufacturing method for thick steel sheet
EP2942414B1 (en) * 2013-03-15 2019-05-22 JFE Steel Corporation Thick, tough, high tensile strength steel plate and production method therefor
CN103710640B (zh) * 2013-12-30 2016-05-25 钢铁研究总院 一种经济节约型调质处理690MPa级高强高韧钢板
KR101714905B1 (ko) * 2014-11-03 2017-03-10 주식회사 포스코 충격 인성이 우수한 선재 및 그 제조방법
CN105964689A (zh) * 2016-05-26 2016-09-28 舞阳钢铁有限责任公司 一种大厚度国标i级探伤钢板的生产方法
CN111247263B (zh) * 2017-10-26 2021-12-28 日本制铁株式会社 低温用含镍钢
CN110004358B (zh) * 2019-03-29 2021-05-25 山东钢铁集团日照有限公司 一种低Pcm值大厚度易焊接海工钢板及其生产方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03232923A (ja) 1990-02-06 1991-10-16 Nippon Steel Corp 板厚中心部まで高靭性な溶接性高強度鋼の製造方法
JP3033459B2 (ja) 1995-01-10 2000-04-17 住友金属工業株式会社 非調質高張力鋼の製造方法
JP3255004B2 (ja) 1996-03-27 2002-02-12 住友金属工業株式会社 靱性およびアレスト性に優れる溶接用高張力鋼材およびその製造方法
JP3620573B2 (ja) 1998-11-26 2005-02-16 株式会社神戸製鋼所 溶接性に優れた高張力鋼板
JP4310591B2 (ja) 1999-03-11 2009-08-12 住友金属工業株式会社 溶接性に優れた高強度鋼板の製造方法
JP3602396B2 (ja) 2000-02-15 2004-12-15 株式会社神戸製鋼所 溶接性に優れた低降伏比高張力鋼板
JP3968011B2 (ja) 2002-05-27 2007-08-29 新日本製鐵株式会社 低温靱性および溶接熱影響部靱性に優れた高強度鋼とその製造方法および高強度鋼管の製造方法
JP2004052063A (ja) 2002-07-23 2004-02-19 Jfe Steel Kk ７８０ＭＰａ級非調質厚鋼板の製造方法
JP4344919B2 (ja) 2003-06-26 2009-10-14 住友金属工業株式会社 予熱なしでの溶接性に優れた高強度鋼板とその製造方法及び溶接鋼構造物
JP4250112B2 (ja) * 2004-04-23 2009-04-08 新日本製鐵株式会社 耐震性と溶接性に優れた鋼板の製造方法
JP4283757B2 (ja) * 2004-11-05 2009-06-24 株式会社神戸製鋼所 厚鋼板およびその製造方法
JP4396851B2 (ja) 2005-03-31 2010-01-13 住友金属工業株式会社 冷間加工後の塑性変形能に優れた高張力鋼およびその製造方法
JP4926447B2 (ja) * 2005-05-13 2012-05-09 新日本製鐵株式会社 耐溶接割れ性に優れた高張力鋼の製造方法
JP5034290B2 (ja) * 2006-03-28 2012-09-26 Ｊｆｅスチール株式会社 低降伏比高強度厚鋼板およびその製造方法
JP4427522B2 (ja) * 2006-04-05 2010-03-10 新日本製鐵株式会社 溶接性と低温靭性に優れる引張強さ７８０ＭＰａ級高張力厚鋼板の製造方法
JP4427521B2 (ja) * 2006-04-05 2010-03-10 新日本製鐵株式会社 溶接性に優れる引張強さ７８０ＭＰａ級高張力厚鋼板の製造方法
JP5034308B2 (ja) 2006-05-15 2012-09-26 Ｊｆｅスチール株式会社 耐遅れ破壊特性に優れた高強度厚鋼板およびその製造方法
JP4823841B2 (ja) * 2006-10-12 2011-11-24 新日本製鐵株式会社 音響異方性が小さく溶接性に優れる引張強さ５７０ＭＰａ級以上の超大入熱溶接用高張力鋼板およびその製造方法

Also Published As

Publication number Publication date
CN101960037A (zh) 2011-01-26
US8048367B2 (en) 2011-11-01
CA2713157A1 (en) 2010-04-29
EP2241646B1 (en) 2012-09-05
KR101252996B1 (ko) 2013-04-15
JPWO2010047416A1 (ja) 2012-03-22
JP4551492B2 (ja) 2010-09-29
US20110041965A1 (en) 2011-02-24
KR20100113605A (ko) 2010-10-21
WO2010047416A1 (ja) 2010-04-29
EP2241646A4 (en) 2011-06-29
KR20110138427A (ko) 2011-12-27
CA2713157C (en) 2013-07-09
BRPI0907853B1 (pt) 2018-02-06
EP2241646A1 (en) 2010-10-20
CN101960037B (zh) 2012-05-23
TW201026860A (en) 2010-07-16
TWI340171B (pt) 2011-04-11

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

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

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B25D Requested change of name of applicant approved