BR112018008873A2 - chapa de aço laminada a quente de alta resistência e método de fabricação da mesma - Google Patents

chapa de aço laminada a quente de alta resistência e método de fabricação da mesma

Info

Publication number
BR112018008873A2
BR112018008873A2 BR112018008873-0A BR112018008873A BR112018008873A2 BR 112018008873 A2 BR112018008873 A2 BR 112018008873A2 BR 112018008873 A BR112018008873 A BR 112018008873A BR 112018008873 A2 BR112018008873 A2 BR 112018008873A2
Authority
BR
Brazil
Prior art keywords
rolled steel
manufacturing
same
martensite
high intensity
Prior art date
Application number
BR112018008873-0A
Other languages
English (en)
Japanese (ja)
Other versions
BR112018008873A8 (pt
Inventor
Toyoda Takeshi
KAMADA Daiki
Kanzawa Yuuki
Kikuzuki Mayuko
Original Assignee
Nippon Steel & Sumitomo Metal Corporation
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 Corporation filed Critical Nippon Steel & Sumitomo Metal Corporation
Publication of BR112018008873A2 publication Critical patent/BR112018008873A2/pt
Publication of BR112018008873A8 publication Critical patent/BR112018008873A8/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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation
    • 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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C22C38/001—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
    • C22C38/04—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
    • C22C38/12—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
    • C22C38/14—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/18—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
    • 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

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 Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

trata-se de uma chapa de aço laminada a quente de alta resistência que tem uma composição química predeterminada, na qual a estrutura da chapa de aço laminada a quente de alta resistência contém martensita em uma razão de área de 20% ou mais e 60% ou menos e ferrita em uma razão de área de 40% ou mais, e a razão de área total entre a martensita e a ferrita é de 90% ou mais, o tamanho médio de grão da martensita é de 5,0 µm ou mais e 50 µm ou menos, a razão da dureza da martensita para a dureza da ferrita é de 0,6 ou mais e 1,6 ou menos, e a resistência à tração da chapa de aço laminada a quente de alta resistência é de 980 mpa ou mais.
BR112018008873A 2015-11-19 2015-11-19 chapa de aço laminada a quente de alta resistência e método de fabricação da mesma BR112018008873A8 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/082591 WO2017085841A1 (ja) 2015-11-19 2015-11-19 高強度熱延鋼板及びその製造方法

Publications (2)

Publication Number Publication Date
BR112018008873A2 true BR112018008873A2 (pt) 2018-11-06
BR112018008873A8 BR112018008873A8 (pt) 2019-02-26

Family

ID=58718060

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018008873A BR112018008873A8 (pt) 2015-11-19 2015-11-19 chapa de aço laminada a quente de alta resistência e método de fabricação da mesma

Country Status (8)

Country Link
US (1) US10301697B2 (pt)
EP (1) EP3378961B1 (pt)
JP (1) JP6460258B2 (pt)
KR (1) KR102097345B1 (pt)
CN (1) CN108350536B (pt)
BR (1) BR112018008873A8 (pt)
MX (1) MX2018006061A (pt)
WO (1) WO2017085841A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015181911A1 (ja) * 2014-05-28 2015-12-03 新日鐵住金株式会社 熱延鋼板及びその製造方法
US11313009B2 (en) 2017-07-07 2022-04-26 Nippon Steel Corporation Hot-rolled steel sheet and method for manufacturing same
BR112020002263A2 (pt) * 2017-10-30 2020-08-04 Nippon Steel Corporation chapa de aço laminada a quente e método para produção da mesma
WO2019103121A1 (ja) 2017-11-24 2019-05-31 日本製鉄株式会社 熱延鋼板及びその製造方法
CN114502759B (zh) * 2019-10-01 2023-02-28 日本制铁株式会社 热轧钢板
KR20230167417A (ko) * 2021-07-08 2023-12-08 닛폰세이테츠 가부시키가이샤 열연 강판
EP4379035A1 (en) 2022-11-30 2024-06-05 Fundació Institut de Bioenginyeria de Catalunya (IBEC) Cell culture system and cell culture method

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2735147B1 (fr) * 1995-06-08 1997-07-11 Lorraine Laminage Tole d'acier laminee a chaud a haute resistance et haute emboutissabilite renfermant du titane, et ses procedes de fabrication.
FR2735148B1 (fr) * 1995-06-08 1997-07-11 Lorraine Laminage Tole d'acier laminee a chaud a haute resistance et haute emboutissabilite renfermant du niobium, et ses procedes de fabrication.
JP4649868B2 (ja) * 2003-04-21 2011-03-16 Ｊｆｅスチール株式会社 高強度熱延鋼板およびその製造方法
CN100360698C (zh) * 2003-04-21 2008-01-09 杰富意钢铁株式会社 高强度热轧钢板及其制造方法
JP4214006B2 (ja) * 2003-06-19 2009-01-28 新日本製鐵株式会社 成形性に優れた高強度鋼板およびその製造方法
CN100590217C (zh) * 2005-03-31 2010-02-17 杰富意钢铁株式会社 热轧钢板及其制造方法和热轧钢板成形体
WO2006107066A1 (ja) * 2005-03-31 2006-10-12 Jfe Steel Corporation 熱延鋼板、その製造方法および熱延鋼板成形体
JP4964494B2 (ja) * 2006-05-09 2012-06-27 新日本製鐵株式会社 穴拡げ性と成形性に優れた高強度鋼板及びその製造方法
CN101265553B (zh) 2007-03-15 2011-01-19 株式会社神户制钢所 挤压加工性优异的高强度热轧钢板及其制造方法
JP4901617B2 (ja) * 2007-07-13 2012-03-21 新日本製鐵株式会社 引張強度が７００ＭＰａ以上で耐食性、穴拡げ性および延性に優れた合金化溶融亜鉛めっき高強度鋼板及びその製造方法
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JP2011184788A (ja) 2010-03-11 2011-09-22 Nippon Steel Corp 伸びと穴拡げ性のバランスに優れた鋼板及びその製造方法
BR112015006077B1 (pt) * 2012-09-26 2020-01-28 Nippon Steel & Sumitomo Metal Corp folha de aço bifásico e método de fabricação da mesma
PL2933346T3 (pl) * 2012-12-11 2019-02-28 Nippon Steel & Sumitomo Metal Corp Blacha stalowa cienka walcowana na gorąco i sposób jej wytwarzania
MX2015006209A (es) 2013-02-26 2015-08-10 Nippon Steel & Sumitomo Metal Corp Hoja de acero laminada en caliente de alta resistencia, que tiene endurecimiento de recocido y dureza a baja temperatura excelentes, con resistencia a la tension maxima de 980 mpa o mas.
JP5870955B2 (ja) 2013-04-15 2016-03-01 Ｊｆｅスチール株式会社 穴拡げ加工性に優れた高強度熱延鋼板およびその製造方法
JP6260198B2 (ja) * 2013-10-29 2018-01-17 新日鐵住金株式会社 伸びと穴拡げ性のバランスに優れた高強度熱延鋼板及びその製造方法
JP6354271B2 (ja) * 2014-04-08 2018-07-11 新日鐵住金株式会社 低温靭性と均一伸びと穴拡げ性に優れた引張強度７８０ＭＰａ以上の高強度熱延鋼板及びその製造方法

Also Published As

Publication number Publication date
KR102097345B1 (ko) 2020-04-06
WO2017085841A1 (ja) 2017-05-26
EP3378961B1 (en) 2021-12-29
US10301697B2 (en) 2019-05-28
MX2018006061A (es) 2018-09-21
BR112018008873A8 (pt) 2019-02-26
JP6460258B2 (ja) 2019-01-30
US20180327878A1 (en) 2018-11-15
JPWO2017085841A1 (ja) 2018-08-02
KR20180069030A (ko) 2018-06-22
EP3378961A1 (en) 2018-09-26
EP3378961A4 (en) 2019-07-24
CN108350536A (zh) 2018-07-31
CN108350536B (zh) 2020-06-16

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL CORPORATION (JP)

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 DA RPI 2645 DE 14/09/2021.