MX2022012725A - Lamina de acero laminada en caliente de alta resistencia. - Google Patents

Lamina de acero laminada en caliente de alta resistencia.

Info

Publication number
MX2022012725A
MX2022012725A MX2022012725A MX2022012725A MX2022012725A MX 2022012725 A MX2022012725 A MX 2022012725A MX 2022012725 A MX2022012725 A MX 2022012725A MX 2022012725 A MX2022012725 A MX 2022012725A MX 2022012725 A MX2022012725 A MX 2022012725A
Authority
MX
Mexico
Prior art keywords
sup
steel sheet
amount
ferrite
rolled steel
Prior art date
Application number
MX2022012725A
Other languages
English (en)
Inventor
Tatsuo Yokoi
Riki Okamoto
Yukiko Kobayashi
Takeshi Toyoda
Jun Takahashi
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 MX2022012725A publication Critical patent/MX2022012725A/es

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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • 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
    • C22C38/001—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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/28—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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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
    • 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

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)

Abstract

Una lámina de acero laminada en caliente de alta resistencia: que tiene una composición química predeterminada; que tiene una densidad de dislocaciones media de desde 1 × 1014 hasta 1 × 1016 m-2, y que contiene al menos ferrita bainítica, en que una relación de área total de la ferrita bainítica y la ferrita es 70% o más y menos de 90%, y en que una relación de área total de martensita y austenita retenida es 5% o más y 30% o menos, en que, en los granos de cristal de ferrita y en los granos de cristal de ferrita bainítica, una densidad numérica media de los precipitados de TiC es desde 1 × 1017 hasta 5 × 1018 (precipitados/cm3), en que una cantidad de Ti presente como un precipitado de TiC precipitado en una matriz no en las dislocaciones es 30% en masa o más de una cantidad total de Ti en la lámina de acero, y en que una resistencia a la tracción es 850 MPa o más.
MX2022012725A 2020-04-17 2021-04-15 Lamina de acero laminada en caliente de alta resistencia. MX2022012725A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020074180 2020-04-17
PCT/JP2021/015587 WO2021210644A1 (ja) 2020-04-17 2021-04-15 高強度熱延鋼板

Publications (1)

Publication Number Publication Date
MX2022012725A true MX2022012725A (es) 2022-11-07

Family

ID=78083881

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022012725A MX2022012725A (es) 2020-04-17 2021-04-15 Lamina de acero laminada en caliente de alta resistencia.

Country Status (7)

Country Link
US (1) US20230287530A1 (es)
EP (1) EP4137592A4 (es)
JP (1) JP7445172B2 (es)
KR (1) KR20220147134A (es)
CN (1) CN115398021B (es)
MX (1) MX2022012725A (es)
WO (1) WO2021210644A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2023084926A1 (es) * 2021-11-12 2023-05-19
WO2024095533A1 (ja) * 2022-11-02 2024-05-10 日本製鉄株式会社 熱間圧延鋼板
WO2024095534A1 (ja) * 2022-11-02 2024-05-10 日本製鉄株式会社 熱間圧延鋼板
KR20240098492A (ko) * 2022-12-21 2024-06-28 주식회사 포스코 성형성이 우수한 초고강도 열연 강판 및 그 제조방법

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3233743B2 (ja) 1993-06-28 2001-11-26 株式会社神戸製鋼所 伸びフランジ性に優れた高強度熱延鋼板
JP3637885B2 (ja) 2001-09-18 2005-04-13 Ｊｆｅスチール株式会社 加工性に優れた超高張力鋼板ならびにその製造方法および加工方法
JP4575893B2 (ja) 2006-03-20 2010-11-04 新日本製鐵株式会社 強度延性バランスに優れた高強度鋼板
JP4528276B2 (ja) 2006-03-28 2010-08-18 新日本製鐵株式会社 伸びフランジ性に優れた高強度鋼板
JP5482162B2 (ja) * 2009-12-09 2014-04-23 Ｊｆｅスチール株式会社 伸びおよび伸びフランジ特性に優れた引張強度が７８０ＭＰａ以上の高強度熱延鋼板およびその製造方法
JP5402848B2 (ja) * 2010-06-17 2014-01-29 新日鐵住金株式会社 バーリング性に優れる高強度熱延鋼板及びその製造方法
US9631265B2 (en) * 2011-05-25 2017-04-25 Nippon Steel Hot-rolled steel sheet and method for producing same
JP5887903B2 (ja) * 2011-12-15 2016-03-16 Ｊｆｅスチール株式会社 溶接性に優れた高強度熱延鋼板およびその製造方法
JP5741426B2 (ja) 2011-12-27 2015-07-01 新日鐵住金株式会社 高強度熱延鋼板及びその製造方法
WO2015129199A1 (ja) * 2014-02-27 2015-09-03 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
JP6292022B2 (ja) * 2014-05-15 2018-03-14 新日鐵住金株式会社 高強度熱延鋼板及びその製造方法
EP3296415B1 (en) * 2015-07-27 2019-09-04 JFE Steel Corporation High-strength hot-rolled steel sheet and method for manufacturing the same
BR112018000633A2 (pt) * 2015-07-31 2018-09-18 Nippon Steel & Sumitomo Metal Corporation chapa de aço laminada a quente de alta resistência
JP6720649B2 (ja) * 2016-03-31 2020-07-08 日本製鉄株式会社 高強度熱延鋼板およびその製造方法
JP6918997B2 (ja) 2018-09-12 2021-08-11 東芝テック株式会社 サーバ装置、プログラム、情報処理システム及び情報処理方法

Also Published As

Publication number Publication date
WO2021210644A1 (ja) 2021-10-21
US20230287530A1 (en) 2023-09-14
JPWO2021210644A1 (es) 2021-10-21
CN115398021B (zh) 2023-11-14
EP4137592A4 (en) 2023-10-25
EP4137592A1 (en) 2023-02-22
CN115398021A (zh) 2022-11-25
JP7445172B2 (ja) 2024-03-07
KR20220147134A (ko) 2022-11-02

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