BRPI1011391A2 - chapa de aço de alta resistência do grau de 780 mpa do tipo de alta produtividade com excelente tenacidade a baixa temperatura e método de produção da mesma - Google Patents

chapa de aço de alta resistência do grau de 780 mpa do tipo de alta produtividade com excelente tenacidade a baixa temperatura e método de produção da mesma

Info

Publication number
BRPI1011391A2
BRPI1011391A2 BRPI1011391A BRPI1011391A BRPI1011391A2 BR PI1011391 A2 BRPI1011391 A2 BR PI1011391A2 BR PI1011391 A BRPI1011391 A BR PI1011391A BR PI1011391 A BRPI1011391 A BR PI1011391A BR PI1011391 A2 BRPI1011391 A2 BR PI1011391A2
Authority
BR
Brazil
Prior art keywords
low temperature
steel sheet
production method
strength steel
excellent low
Prior art date
Application number
BRPI1011391A
Other languages
English (en)
Inventor
Akihiko Kojima
Kazuhiro Fukunaga
Rikio Chijiiwa
Yoshihide Nagai
Yoshiyuki Watanabe
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 BRPI1011391A2 publication Critical patent/BRPI1011391A2/pt

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
BRPI1011391A 2009-04-17 2010-04-16 chapa de aço de alta resistência do grau de 780 mpa do tipo de alta produtividade com excelente tenacidade a baixa temperatura e método de produção da mesma BRPI1011391A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009101014 2009-04-17
PCT/JP2010/057193 WO2010119989A1 (ja) 2009-04-17 2010-04-16 低温靭性の優れた高生産型７８０ＭＰａ級高張力鋼板とその製造方法

Publications (1)

Publication Number Publication Date
BRPI1011391A2 true BRPI1011391A2 (pt) 2016-03-15

Family

ID=42982642

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1011391A BRPI1011391A2 (pt) 2009-04-17 2010-04-16 chapa de aço de alta resistência do grau de 780 mpa do tipo de alta produtividade com excelente tenacidade a baixa temperatura e método de produção da mesma

Country Status (3)

Country Link
JP (1) JP4842402B2 (pt)
BR (1) BRPI1011391A2 (pt)
WO (1) WO2010119989A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5874664B2 (ja) * 2013-03-15 2016-03-02 Ｊｆｅスチール株式会社 落重特性に優れた高張力鋼板およびその製造方法
JP6551224B2 (ja) * 2015-12-25 2019-07-31 日本製鉄株式会社 鋼管の製造方法
CN111763875A (zh) * 2019-04-02 2020-10-13 上海梅山钢铁股份有限公司 一种瓶盖用高硬度冷轧电镀锡基板及其生产方法
CN111471933A (zh) * 2020-06-11 2020-07-31 攀钢集团西昌钢钒有限公司 一种高强耐候彩涂板及其制备方法
CN113930657B (zh) * 2021-09-23 2023-03-17 江苏裕隆锻造有限公司 一种提高410锻件力学性能的工艺方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0663026B2 (ja) * 1985-12-12 1994-08-17 川崎製鉄株式会社 直接焼入れ工程による高強度高じん性ボロン添加厚鋼板の製造法
JPS63190117A (ja) * 1987-02-02 1988-08-05 Kawasaki Steel Corp 直接焼入れ法による引張強さ７０Ｋｇｆ／ｍｍ２以上，降伏比９０％以下の高靭性低降伏比極厚高張力鋼板の製造方法
JPH01319630A (ja) * 1988-06-21 1989-12-25 Kobe Steel Ltd 直接焼入れによる調質高張力鋼板の製造方法
JPH08143954A (ja) * 1994-11-17 1996-06-04 Kobe Steel Ltd 耐溶接割れ性の優れた引張強さ７８０Ｎ／ｍｍ２級鋼板の製造方法
JP4434029B2 (ja) * 2005-02-04 2010-03-17 住友金属工業株式会社 溶接性と継手靱性に優れた高張力鋼材

Also Published As

Publication number Publication date
JPWO2010119989A1 (ja) 2012-10-22
WO2010119989A1 (ja) 2010-10-21
JP4842402B2 (ja) 2011-12-21

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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]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL CORPORATION (JP)

B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time